Meta's first terminal coding agent, in beta for macOS and Linux. Its runtime uses a local append-only event log of "every model call, tool run, approval, and edit" that makes the agent "replay-exact and restart-safe" after a crash. Background subagents persist for a session instead of being spawned per task. The benchmark comparisons on the page are chart images, so no scores are reported here.
In the News: August 7, 2026
Databricks publishes cost and quality numbers from its internal coding-agent benchmark, and the harness moves the bill more than the model does.
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Databricks measured its own agents, and the harness moved the bill more than the model did
Databricks built an internal benchmark out of recent merged PRs across a multi-million line codebase spanning Scala, Rust, TypeScript, Go, Python, Bazel and Protobuf, then ran models and harnesses through it out of the box. The…
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Claude Code 2.1.224 puts sessions on your own hardware and lifts the subagent cap
Three changes matter for anyone running a fleet. claude self-hosted-runner "turns your own machines or containers into a place Claude Code web, mobile, and desktop sessions can run," on Team and Enterprise plans. Cross-session SendMessage…
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Gorman: the autonomy horizon is set by detection latency, not error rate
Gorman's model has two terms, not one. Errors compound: "Take a wrong turn at step N, and step N+1, N+2, N+3 could well build on that mistake." Verification is the correction: "Mistakes aren't a problem if they're caught before they…
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The same author asks who is testing your quality gates
The follow-up, and it names this publication's subject directly. Gorman generalises mutation testing, which tests a test suite by injecting defects, into a class he calls Brown M&M tests, after the Van Halen rider clause used to check…
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