We've retired the Claude Opus 4.1 model (claude-opus-4-1-20250805). (ouvre un nouvel onglet)
We've retired the Claude Opus 4.1 model (claude-opus-4-1-20250805). All requests to this model will now return an error. We recommend upgrading to Claude Opus 5. Researchers can request ongoing access through the External Researcher Access
Dreams (research preview) now supports Claude Opus 5. (ouvre un nouvel onglet)
Dreams (research preview) now supports Claude Opus 5. See Supported models.
Claude Code 2.1.225 — Added gateway spend-limit support to Claude Code's usage warning; the limit-reached message now names the cap, its reset time,… (ouvre un nouvel onglet)
Added gateway spend-limit support to Claude Code's usage warning; the limit-reached message now names the cap, its reset time, and the operator's message (requires the gateway on 2.1.225)
Claude Code 2.1.225 — Added a workspace trust prompt to claude agents for untrusted directories, matching the behavior of claude (ouvre un nouvel onglet)
Added a workspace trust prompt to claude agents for untrusted directories, matching the behavior of claude
Claude Code 2.1.225 — Fixed a transient 401 replacing a long-lived CLAUDE_CODE_OAUTH_TOKEN with a stored login's short-lived token, breaking headless… (ouvre un nouvel onglet)
Fixed a transient 401 replacing a long-lived CLAUDE_CODE_OAUTH_TOKEN with a stored login's short-lived token, breaking headless sessions until restart
I defended Opus 5 - and then I realised otherwise (ouvre un nouvel onglet)
Opus 5. Wow, the strangest and most unique model yet. Not in terms of raw capability, but actually reading through and analysing it's thought process I find fascinating. It also takes extremely long to do anything, it's good at finding erro
People say Opus 5 is inaccessible but if you just read it in Werner Herzog's voice, it's fine (ouvre un nouvel onglet)
Via r/ClaudeAI.
Claude Code 2.1.224 — Added self-hosted environments: claude self-hosted-runner turns your own machines or containers into a place Claude Code web, m… (ouvre un nouvel onglet)
Added self-hosted environments: 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
Claude Code 2.1.224 — Added archive plugin source: install plugins from a zip over HTTPS without git or npm, with optional SHA-256 pinning (ouvre un nouvel onglet)
Added archive plugin source: install plugins from a zip over HTTPS without git or npm, with optional SHA-256 pinning
Claude Code 2.1.224 — Added a cancel-and-confirm step when removing an unavailable paste changes a command's text (ouvre un nouvel onglet)
Added a cancel-and-confirm step when removing an unavailable paste changes a command's text
Improving Fable 5's biology safeguards (ouvre un nouvel onglet)
Product Announcements Improving Fable 5's biology safeguards Aug 7, 2026 We’re making updates to Claude Fable 5’s biology safeguards in a way that substantially reduces false positives. Fable 5 users will now experience many fewer “fallback