For engineering leaders
Prove your AI tools
pay for themselves.
Connect GitHub. Get a weekly ROI report showing how AI impacts cycle time, throughput, and code quality. Forward it to your CFO.
5 min setupNo code changesFirst report in minutes
The report your CFO is asking for
Automatically generated from your GitHub data. Compares AI-assisted work vs manual. Shows the ROI in hours and dollars.
GitHubCopilotClaudeCursorKiro
AI ROI Report — May 2026
AI-Assisted PRs
47
Manual PRs
23
Cycle time (AI)4.2h avg
Cycle time (manual)6.8h avg
Rework rate (AI)12%
Rework rate (manual)28%
Estimated time saved122 hours
Equivalent value$12,200
Your dashboard, with real data
Connect GitHub. See PRs, cycle time, AI impact — instantly.
costlens.dev/dashboard
Pro plan — costlens.dev/analytics
Upgrade for full analytics
Pro plan unlocks cost by model, provider, team, and developer breakdowns.
Per-model cost breakdown
See exactly how much you spend on GPT-4o vs Claude Sonnet vs cheaper alternatives.
Savings tracked automatically
Every routed request shows what you would have paid vs what you actually paid.
CostLens Signal
Start simple. Go deeper when you need to.
Most teams only need GitHub. Add more layers for more accuracy — only if you want it.
START HERE
Free
GitHub
Connect once. AI detection from diff patterns, cycle time, throughput, ROI reports.
Zero install. Zero code changes.
Optional
Local Proxy
See every LLM call. Exact tokens, cost, model. Per-commit AI attribution.
2 min install · privacy-first
Optional
SDK
Per-feature cost attribution. Smart routing saves 20-40% automatically.
For apps calling LLM APIs
Optional
MCP Server
Query spend and productivity from inside your editor.
Claude Code · Kiro · Cursor
What you get with just GitHub
No install. No code changes. Connect once.
AI vs Manual
Side-by-side comparison
Automatically detects which PRs used AI assistance. Compares cycle time, rework rate, and review rounds.
Baseline
Rolling 4-week benchmark
Shows improvement trends since AI adoption — not just a snapshot.
Reports
Weekly email to leadership
PDF export. Forward to your CFO without logging into a dashboard.
Metrics
Cycle time · Throughput · Rework
The metrics that matter for engineering velocity. Broken down by team, repo, and AI-assisted vs manual.
Every CTO is being asked the same question
"We're spending $8K/month on AI tools. Is it working?" Nobody can answer this today. Langfuse tracks cost. DORA tracks velocity. Nobody connects the two into an ROI number. Until now.
5 min
to connect GitHub
minutes
to first ROI report
Pricing
Start free. Upgrade when you need AI detection and reports.
Trial
$0 / 14 days
Try Pro free. No card required.
Full Pro features for 14 days
Unlimited repos
AI detection
Weekly ROI report
No credit card needed
After trial: $49/mo or downgrade to basic view
Pro
Popular$49/mo
Prove AI ROI to leadership.
GitHub integration
Unlimited repos · 90-day history
AI detection (AI vs Manual)
Weekly ROI reports + PDF
Cycle time · Throughput · Rework
Up to 10 team members
Business
$149/mo
Full cost intelligence.
Everything in Pro
Token tracking (proxy)
Token yield & waste analysis
Per-feature cost attribution (SDK)
Smart routing (save 20-40%)
MCP Server (in-editor queries)
Kill switch — auto-pause runaway agents
Unlimited team · Slack · Priority support
Stop guessing. Start proving.
Connect GitHub. Get your first AI ROI report in minutes. No code changes. No credit card required.