The Challenge: Slow Performance Reporting

Modern marketing teams run dozens of campaigns across search, social, programmatic, email, and more. Yet when it comes to marketing performance reporting, many still wait days or even weeks for analysts to pull data, build dashboards, and interpret results. By the time a performance deck arrives, the campaign has already chewed through budget, and any optimization potential is largely gone.

Traditional reporting workflows rely on manual data exports from each channel, spreadsheet wrangling, and overbooked analytics teams crafting slide decks. That model breaks down once you manage multiple markets, audiences, and creative variants. Even with BI tools, someone still has to define queries, explore anomalies, and translate numbers into clear recommendations. The result is a chronic lag between what’s happening in your campaigns and what your team actually sees.

The business impact is significant. Underperforming campaigns keep spending for days longer than they should. High-performing segments don’t get additional budget fast enough. Channel mixes are adjusted based on stale data, not live performance. Over a year, this often adds up to six- or seven-figure inefficiencies in media spend, plus lost learning speed: your competitors who iterate faster on insights simply out-optimize you.

The good news: this is a solvable problem. AI models like Claude can now analyze large CSV exports, dashboards, and campaign logs in minutes and surface anomalies, patterns, and next-best actions without waiting on a reporting queue. At Reruption, we’ve seen how an AI-first analytics approach can shift marketing from reactive reporting to proactive optimization. In the rest of this page, you’ll find practical, concrete guidance on how to use Claude to accelerate your reporting and decision cycles.

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Our Assessment

A strategic assessment of the challenge and high-level tips how to tackle it.

From Reruption’s hands-on work building AI analytics workflows and internal tools, we’ve seen a clear pattern: the teams that win with AI don’t just bolt a chatbot onto their existing reporting process. They deliberately re-design how marketing performance reporting works end-to-end, with tools like Claude at the center of daily decision-making instead of at the edge as a toy. Our perspective: Claude should become the always-on analyst that helps marketers move from static reports to continuous, AI-assisted optimization.

Redesign Reporting Around Decisions, Not Dashboards

Before you throw Claude at your exports, clarify which marketing decisions you want to accelerate: daily budget shifts, creative rotations, bid adjustments, or channel rebalancing. Slow performance reporting is often a symptom of unclear decision ownership and thresholds, not just missing tools. If your team doesn’t know what they’ll do with faster insights, AI will simply generate more sophisticated noise.

Define a small set of recurring decisions and the questions that precede them (e.g., “Which ad sets should lose budget today?”, “Which campaigns show early signs of fatigue?”). Then design your use of Claude for marketing analytics around answering exactly those questions from your raw data. This focus ensures that AI-generated summaries directly feed actions, not more slide decks.

Treat Claude as a Virtual Performance Analyst

The biggest strategic shift is mindset: Claude is not a magic dashboard generator; it’s a virtual performance analyst that can read, summarize, and compare large data tables at speed. That means you should think in terms of workflows (“our analyst reviews yesterday’s data, flags anomalies, and proposes actions”) and then assign those steps to Claude where possible.

Give Claude structured instructions: what KPIs matter, what “good” and “bad” look like, which segments are strategic, and how to prioritize findings. Over time, you can standardize these expectations into prompt templates that your marketers reuse. This elevates Claude from ad-hoc assistant to part of your core marketing analytics operating system.

Align Analysts and Marketers on AI Collaboration

Fast reporting isn’t just a tooling challenge; it’s a collaboration challenge. Analysts may fear being bypassed, while marketers may not trust AI-only recommendations. Strategically, you want Claude to handle the heavy lifting on data analysis, while human experts validate models, define guardrails, and focus on deeper investigations.

Agree on a division of labor: Claude produces daily and intraday summaries from standardized exports; analysts design the metrics, QA the logic, and maintain prompts; marketers consume the outputs and execute actions. This alignment reduces reporting bottlenecks without sacrificing quality or governance.

Build for Explainability and Auditability

In a marketing context, shifting budget based on AI insights demands trust. If Claude simply says “Cut spend on Campaign X by 30%” without explaining why, adoption will stall. Strategically, you should design your Claude reporting setup to always explain reasoning, reference concrete rows or segments, and provide both short and detailed views.

Ask Claude to show the exact metrics and comparisons that led to a recommendation (“which campaigns, which dates, which segments”). Store key outputs and prompts so you can later reconstruct how a decision was made. That structure also helps with internal reviews and training new team members on AI-assisted workflows.

Start with a Narrow Pilot, Then Standardize

Instead of trying to automate your entire reporting universe, start with a narrow but impactful slice—e.g., paid social performance reporting or “yesterday’s cross-channel performance summary.” Use Claude to automate just that one reporting artifact end to end: data export format, prompt, summary structure, and follow-up questions.

Once this pilot consistently saves time and improves reaction speed, you can standardize the approach, templatize prompts, and expand to other channels and markets. This phased roll-out limits risk and makes it easier to show tangible ROI to stakeholders who control budgets and governance.

Used deliberately, Claude can compress marketing performance reporting cycles from days to hours, turning raw exports into clear recommendations that marketers actually use. The key is to design the workflow around decisions, trust, and collaboration—not just around another dashboard. With Reruption’s focus on AI engineering and our Co-Preneur approach, we help teams embed Claude directly into their marketing operations, from first proof-of-concept to a reliable, repeatable reporting engine. If you want to explore what this could look like for your team, we’re ready to work with you on a concrete, testable setup rather than another slide deck.

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Real-World Case Studies

From Fintech to Automotive: Learn how companies successfully use Claude.

Revolut

Fintech

Revolut faced escalating Authorized Push Payment (APP) fraud, where scammers psychologically manipulate customers into authorizing transfers to fraudulent accounts, often under guises like investment opportunities. Traditional rule-based systems struggled against sophisticated social engineering tactics, leading to substantial financial losses despite Revolut's rapid growth to over 35 million customers worldwide. The rise in digital payments amplified vulnerabilities, with fraudsters exploiting real-time transfers that bypassed conventional checks. APP scams evaded detection by mimicking legitimate behaviors, resulting in billions in global losses annually and eroding customer trust in fintech platforms like Revolut. Urgent need for intelligent, adaptive anomaly detection to intervene before funds were pushed.

Lösung

Revolut deployed an AI-powered scam detection feature using machine learning anomaly detection to monitor transactions and user behaviors in real-time. The system analyzes patterns indicative of scams, such as unusual payment prompts tied to investment lures, and intervenes by alerting users or blocking suspicious actions. Leveraging supervised and unsupervised ML algorithms, it detects deviations from normal behavior during high-risk moments, 'breaking the scammer's spell' before authorization. Integrated into the app, it processes vast transaction data for proactive fraud prevention without disrupting legitimate flows.

Ergebnisse

  • 30% reduction in fraud losses from APP-related card scams
  • Targets investment opportunity scams specifically
  • Real-time intervention during testing phase
  • Protects 35 million global customers
  • Deployed since February 2024
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Nubank (Pix Payments)

Payments

Nubank, Latin America's largest digital bank serving over 114 million customers across Brazil, Mexico, and Colombia, faced the challenge of scaling its Pix instant payment system amid explosive growth. Traditional Pix transactions required users to navigate the app manually, leading to friction, especially for quick, on-the-go payments. This app navigation bottleneck increased processing time and limited accessibility for users preferring conversational interfaces like WhatsApp, where 80% of Brazilians communicate daily. Additionally, enabling secure, accurate interpretation of diverse inputs—voice commands, natural language text, and images (e.g., handwritten notes or receipts)—posed significant hurdles. Nubank needed to overcome accuracy issues in multimodal understanding, ensure compliance with Brazil's Central Bank regulations, and maintain trust in a high-stakes financial environment while handling millions of daily transactions.

Lösung

Nubank deployed a multimodal generative AI solution powered by OpenAI models, allowing customers to initiate Pix payments through voice messages, text instructions, or image uploads directly in the app or WhatsApp. The AI processes speech-to-text, natural language processing for intent extraction, and optical character recognition (OCR) for images, converting them into executable Pix transfers. Integrated seamlessly with Nubank's backend, the system verifies user identity, extracts key details like amount and recipient, and executes transactions in seconds, bypassing traditional app screens. This AI-first approach enhances convenience, speed, and safety, scaling operations without proportional human intervention.

Ergebnisse

  • 60% reduction in transaction processing time
  • Tested with 2 million users by end of 2024
  • Serves 114 million customers across 3 countries
  • Testing initiated August 2024
  • Processes voice, text, and image inputs for Pix
  • Enabled instant payments via WhatsApp integration
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Kaiser Permanente

Healthcare

In hospital settings, adult patients on general wards often experience clinical deterioration without adequate warning, leading to emergency transfers to intensive care, increased mortality, and preventable readmissions. Kaiser Permanente Northern California faced this issue across its network, where subtle changes in vital signs and lab results went unnoticed amid high patient volumes and busy clinician workflows. This resulted in elevated adverse outcomes, including higher-than-necessary death rates and 30-day readmissions . Traditional early warning scores like MEWS (Modified Early Warning Score) were limited by manual scoring and poor predictive accuracy for deterioration within 12 hours, failing to leverage the full potential of electronic health record (EHR) data. The challenge was compounded by alert fatigue from less precise systems and the need for a scalable solution across 21 hospitals serving millions .

Lösung

Kaiser Permanente developed the Advance Alert Monitor (AAM), an AI-powered early warning system using predictive analytics to analyze real-time EHR data—including vital signs, labs, and demographics—to identify patients at high risk of deterioration within the next 12 hours. The model generates a risk score and automated alerts integrated into clinicians' workflows, prompting timely interventions like physician reviews or rapid response teams . Implemented since 2013 in Northern California, AAM employs machine learning algorithms trained on historical data to outperform traditional scores, with explainable predictions to build clinician trust. It was rolled out hospital-wide, addressing integration challenges through Epic EHR compatibility and clinician training to minimize fatigue .

Ergebnisse

  • 16% lower mortality rate in AAM intervention cohort
  • 500+ deaths prevented annually across network
  • 10% reduction in 30-day readmissions
  • Identifies deterioration risk within 12 hours with high reliability
  • Deployed in 21 Northern California hospitals
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Mastercard

Payments

In the high-stakes world of digital payments, card-testing attacks emerged as a critical threat to Mastercard's ecosystem. Fraudsters deploy automated bots to probe stolen card details through micro-transactions across thousands of merchants, validating credentials for larger fraud schemes. Traditional rule-based and machine learning systems often detected these only after initial tests succeeded, allowing billions in annual losses and disrupting legitimate commerce. The subtlety of these attacks—low-value, high-volume probes mimicking normal behavior—overwhelmed legacy models, exacerbated by fraudsters' use of AI to evade patterns. As transaction volumes exploded post-pandemic, Mastercard faced mounting pressure to shift from reactive to proactive fraud prevention. False positives from overzealous alerts led to declined legitimate transactions, eroding customer trust, while sophisticated attacks like card-testing evaded detection in real-time. The company needed a solution to identify compromised cards preemptively, analyzing vast networks of interconnected transactions without compromising speed or accuracy.

Lösung

Mastercard's Decision Intelligence (DI) platform integrated generative AI with graph-based machine learning to revolutionize fraud detection. Generative AI simulates fraud scenarios and generates synthetic transaction data, accelerating model training and anomaly detection by mimicking rare attack patterns that real data lacks. Graph technology maps entities like cards, merchants, IPs, and devices as interconnected nodes, revealing hidden fraud rings and propagation paths in transaction graphs. This hybrid approach processes signals at unprecedented scale, using gen AI to prioritize high-risk patterns and graphs to contextualize relationships. Implemented via Mastercard's AI Garage, it enables real-time scoring of card compromise risk, alerting issuers before fraud escalates. The system combats card-testing by flagging anomalous testing clusters early. Deployment involved iterative testing with financial institutions, leveraging Mastercard's global network for robust validation while ensuring explainability to build issuer confidence.

Ergebnisse

  • 2x faster detection of potentially compromised cards
  • Up to 300% boost in fraud detection effectiveness
  • Doubled rate of proactive compromised card notifications
  • Significant reduction in fraudulent transactions post-detection
  • Minimized false declines on legitimate transactions
  • Real-time processing of billions of transactions
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Shell

Energy

Unplanned equipment failures in refineries and offshore oil rigs plagued Shell, causing significant downtime, safety incidents, and costly repairs that eroded profitability in a capital-intensive industry. According to a Deloitte 2024 report, 35% of refinery downtime is unplanned, with 70% preventable via advanced analytics—highlighting the gap in traditional scheduled maintenance approaches that missed subtle failure precursors in assets like pumps, valves, and compressors. Shell's vast global operations amplified these issues, generating terabytes of sensor data from thousands of assets that went underutilized due to data silos, legacy systems, and manual analysis limitations. Failures could cost millions per hour, risking environmental spills and personnel safety while pressuring margins amid volatile energy markets.

Lösung

Shell partnered with C3 AI to implement an AI-powered predictive maintenance platform, leveraging machine learning models trained on real-time IoT sensor data, maintenance histories, and operational metrics to forecast failures and optimize interventions. Integrated with Microsoft Azure Machine Learning, the solution detects anomalies, predicts remaining useful life (RUL), and prioritizes high-risk assets across upstream oil rigs and downstream refineries. The scalable C3 AI platform enabled rapid deployment, starting with pilots on critical equipment and expanding globally. It automates predictive analytics, shifting from reactive to proactive maintenance, and provides actionable insights via intuitive dashboards for engineers.

Ergebnisse

  • 20% reduction in unplanned downtime
  • 15% slash in maintenance costs
  • £1M+ annual savings per site
  • 10,000 pieces of equipment monitored globally
  • 35% industry unplanned downtime addressed (Deloitte benchmark)
  • 70% preventable failures mitigated
Read case study →

Best Practices

Successful implementations follow proven patterns. Have a look at our tactical advice to get started.

Standardize Channel Exports for Claude-Friendly Inputs

Claude is powerful with large tables, but you’ll get the best results if your marketing data exports follow consistent schemas. Align your paid search, paid social, display, and email exports on a common set of columns where possible: date, campaign, ad group/ad set, creative ID, audience, spend, impressions, clicks, conversions, revenue, and key quality metrics (CPC, CPA, ROAS).

Work with your analytics or ops team to define a single CSV template per channel that can be generated daily. Avoid highly nested structures, unnecessary text fields, or excessive columns that Claude doesn’t need for performance analysis. The simpler and more consistent your exports, the more accurately Claude can compare performance across campaigns and days.

Create a Reusable Claude Prompt for Daily Performance Summaries

Turn your ideal daily report into a reusable Claude prompt template that any marketer can use. The goal: paste yesterday’s CSV exports (or attach them), run the prompt, and receive a structured, decision-ready summary every morning.

Example prompt:
You are a senior marketing performance analyst.
You receive daily CSV exports from multiple channels with these columns:
- date, channel, campaign, ad_set/ad_group, creative_id, audience
- impressions, clicks, spend, conversions, revenue
- cpc, cpa, ctr, roas

Tasks:
1) Validate the data: check for missing or obviously wrong values and note them.
2) Provide a high-level performance summary vs. the previous 7-day average.
3) Identify the top 5 underperforming campaigns that likely need budget cuts.
4) Identify the top 5 overperforming campaigns that could receive more budget.
5) Flag any anomalies or sudden changes in CTR, CPA, or ROAS.
6) Suggest 3-5 concrete optimization actions with rationale.

Output structure (use headings and bullet points):
- Data Quality Check
- High-Level Summary
- Underperformers (with metrics)
- Overperformers (with metrics)
- Anomalies & Risks
- Recommended Actions

Save and refine this prompt over time based on feedback from marketers and analysts. This creates a consistent “AI analyst” voice that the team can trust.

Use Claude to Drill into Underperformers and Root Causes

Beyond summaries, use Claude to quickly explore why a campaign or ad set is underperforming. After running your daily summary, paste or attach filtered exports for a problematic segment (e.g., a specific campaign in one market) and ask Claude to look for patterns by device, placement, audience, or creative.

Example prompt:
You are helping diagnose underperformance.
I have attached a CSV filtered to Campaign = "Spring_Sale_Search_DE" for the last 10 days.

Tasks:
1) Compare the last 3 days vs. the previous 7 days for key KPIs: clicks, cpc, cpa, conversions.
2) Break down performance by device, audience, and keyword (or ad set/ad group) and identify what changed.
3) Highlight 3-5 likely causes of higher CPA or lower ROAS.
4) Propose specific optimization ideas (e.g., pause certain keywords, adjust bids, refine audiences).

This type of targeted analysis replaces hours of manual pivot-table work and helps marketers move faster from symptom to root cause to concrete action.

Generate Executive-Ready Summaries from Raw Dashboards

Senior stakeholders don’t need every row; they need the story. You can export key views from your BI tool or channel dashboards (or copy the relevant tables) and ask Claude to transform them into a concise, executive-ready marketing performance report with clear narrative and implications.

Example prompt:
You are preparing a weekly performance update for the CMO.
Input: performance tables from our BI dashboard for last week vs. the prior 3-week average.

Tasks:
1) Summarize overall performance in <150 words in non-technical language.
2) Highlight 3 key wins and 3 key issues, with simple metrics.
3) Explain what changed in channel mix, audience, or creative strategy.
4) List 3 decisions the CMO should be aware of (e.g., budget shifts, tests starting/stopping).
5) Suggest 2-3 risks to watch next week.

This reduces time spent crafting slide decks and ensures leadership receives consistent, data-backed stories even when analytics resources are stretched.

Set Up a Simple QA Loop Between Claude and Analysts

To build trust, implement a basic QA workflow: analysts periodically review Claude’s outputs, correct misinterpretations, and refine prompts. Once a week, have Claude produce a summary and then ask an analyst to check a sample of claims directly against the underlying data.

Example prompt for QA improvement:
You are reviewing your own previous report.
I will paste parts of your last summary and the corresponding raw data.
Where your previous conclusions were off or incomplete, explain why and update your reasoning.
Then propose 3 prompt changes that would reduce such errors in the future.

This loop steadily improves your Claude-based reporting without large upfront investments in custom models. Over time, you’ll converge on prompts and data structures that consistently produce reliable insights.

Automate the Routine, Reserve Humans for Edge Cases

Use Claude to fully handle the routine 80% of reporting: daily summaries, anomaly flags, and simple budget shift suggestions. Clearly mark any outputs that cross pre-defined thresholds (e.g., “CPA up >30% vs. 7-day average”) and route those to human analysts or senior marketers for final decisions.

Define simple rules: “If recommended budget shift <10%, marketers can act; >10% requires analyst review.” Ask Claude to separate low- and high-impact recommendations in its output. This way, you get faster action on small optimizations while still having human oversight on bigger changes.

Expected outcome: Marketing teams can realistically cut the time spent on manual reporting and root-cause exploration by 30–50%, while reducing the lag between performance shifts and concrete actions from days to hours. That time and speed can be re-invested into strategy, experimentation, and creative work that actually drives growth.

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Frequently Asked Questions

Claude accelerates marketing performance reporting by taking over the heavy analysis work on your raw data exports. Instead of analysts manually joining tables, building pivot tables, and writing commentary, you upload CSVs or dashboard tables to Claude, provide a well-designed prompt, and receive structured summaries, anomalies, and recommendations in minutes.

This doesn’t replace your analytics team; it augments them. Analysts define metrics, thresholds, and prompts, while Claude handles the repetitive daily analysis and first-pass insights. The result is faster reporting cycles, less manual effort, and more time for deeper strategic work.

You typically need three ingredients: standardized data exports, clear decision workflows, and a set of robust prompts. Practically, that means aligning on CSV formats across your main channels, agreeing on which KPIs and time windows matter for daily/weekly decisions, and working with someone who can translate your current reports into Claude prompt templates.

From a skills perspective, you don’t need data scientists for the first step—marketers and analysts who understand the campaigns can usually drive this, with some support on data extraction and governance. Reruption often starts with a focused pilot (e.g., paid social daily reporting) and then scales the approach once it’s proven.

For most teams, you can see tangible impact within a few weeks. In the first 1–2 weeks, you define export templates, design initial prompts, and run Claude in parallel with your existing reports to benchmark quality. Within 3–4 weeks, it’s realistic to have at least one Claude-powered reporting workflow in regular use, such as daily performance summaries and anomaly flags.

Full adoption across channels and markets takes longer, especially if you have complex governance or many stakeholders. But you don’t need to wait for a big transformation; even one reliable AI-generated daily report can materially reduce the lag between performance changes and budget decisions.

The direct cost of using Claude for marketing analytics is generally low compared to media budgets and analyst salaries. The main ROI comes from two areas: reduced manual effort and better, faster budget allocation. If Claude helps you catch underperforming campaigns a few days earlier, or identify high-ROAS segments to scale faster, the media savings and incremental revenue can easily outweigh AI usage costs.

We typically advise teams to track a few simple metrics: hours saved on reporting per month, time-to-decision (from data availability to action), and performance deltas on campaigns that are actively managed with Claude’s insights vs. those that aren’t. This makes the ROI discussion concrete rather than theoretical.

Reruption supports teams end-to-end, from idea to a working AI reporting workflow. With our AI PoC offering (9,900€), we can quickly validate a specific use case like “Claude-generated daily performance reports from our channel exports” in a functioning prototype—instead of debating it in presentations.

We apply our Co-Preneur approach by embedding with your marketing and analytics teams, defining the use case, designing data exports, crafting and iterating prompts, and setting up governance so that Claude becomes a reliable part of your reporting stack. Beyond the PoC, our engineering and strategy capabilities help you move from a successful prototype to a robust, scalable solution that fits your existing tools and compliance requirements.

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