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41.1%
of 2,549 commits were committed by an AI agent — a floor, not an estimate
41.1% agent · top contributor 13.3%47 contributors
org-wide

Adoption is broad. Many contributors are committing agent-authored work, which is what a real organisational rollout looks like.

1,047
agent commits
1,502
human commits
47
agent contributors
13.3%
largest contributor

Assisted or autonomous

1042assisted
5autonomous

Assisted — a developer’s identity authored the commit and the agent added itself as co-author. The agent ran git commit during a working session, with a person there. Autonomous — a bot identity is the author, no human in the loop. Across the whole index, 93.7% of agent commits are assisted.

Agent share by month

Feb26
Mar26
Apr26
May26
Jun26
Jul26
Aug26
Sep26

Peak month: 54.8%. Bars are scaled to that peak, not to 100%.

Which agents

Claude CodeAnthropic102540.2%
Cursor AgentAnysphere240.9%
GitHub CopilotGitHub10%

Verify it yourself

Sample commits that matched. Every one links to GitHub — check the trailers.

  • c610bf10[OPIK-8344] Emit opik_mcp_connected BI event on a new MCP connection (#828Claude Code
  • 91cd3f9e[OPIK-8005] [FE] perf: virtualize the Playground output grid (#8312)Claude Code
  • b00e08ff[OPIK-8334] [BE] fix: stop answering 500 for an OpenTelemetry request withClaude Code
  • 1e54d27e[OPIK-4530] [BE] Add new permissions for dashboards and experiments (#5341Cursor Agent
  • a77a008b[OPIK-4357] [FE] Implement view dashboards permission check (#5267)Cursor Agent
  • cbc23d0b[OPIK-3522] Improve Playwright E2E test agent workflow (#5377)Cursor Agent
  • 21c43098[NA] [DOCS] Alert on python sdk docs deploy failure (#7545)GitHub Copilot

What was excluded

Commits in window2,657
Merge commits removed−0
CI / dependency bots removed−108
Considered2,549

Bots are excluded from the denominator entirely. Counting dependabot as “AI-written code” is the fastest way to produce a meaningless number.

How this was measured

Measured over February–August 2026, cloned directly. Detection is deterministic string matching against signatures agents write about themselves — no heuristics, no style analysis. Merge commits and CI bots are excluded from the denominator. The figure is a floor: squash merges strip trailers, so real usage is higher. Contributor counts are aggregate — no individual is named.

Run it yourself: npx qmmit-cli comet-ml/opik

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