As of: 2026-10-14 00:22 CEST. Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/ Canonical page: https://postcutoff.com/p/x-tokengremlin-2110056030105481329/ # “In short: Fable 5.5 is the best model in the world, and we’re releasing it in the…” Token Gremlin (@TokenGremlin), X, 2026-10-13. Source: https://x.com/TokenGremlin/status/2110056030105481329 ## Archived text > In short: Fable 5.5 is the best model in the world, and we're releasing it in the next few days. > > > Quoting @AnthropicAI: New on our Engineering blog: Creating in-house source control. > > > > In May, we merged around 2,500 code changes per day. In September, we merged more than 30,000 per day. As a result, we became bottlenecked by developer infrastructure built for human (rather than agent) scale. > > > > Here, we share how we built a new version control system—and fully migrated our monorepo from git—in five months: https://www.anthropic.com/engineering/redesigning-source-control Archived 2026-10-13 via fxtwitter (unofficial). Counts: 42,677 views, 751 likes, 7 reposts, 10 replies (at fetch time) ## Cited in - 2026-10-13: [Anthropic: code merged per day grew from about 2,500 in May to over 30,000 in September, so it replaced git with an in-house system built with Claude](https://postcutoff.com/e/2026-10-13-anthropic-scion-source-control-30000-merges-a-day/)