Claude Platform release notes — October 28, 2026

On Bluesky

• ⚠️ From 15 June, Anthropic introduces separate billing for Claude AI agent workflows while Sonnet 4 and Opus 4 retire from the API. Organisations using AI automations should review integrations, infrastructure costs, and migration plans now. platform.claude.com/docs/en/rele... #AI #Claude

  DINT Foundation (@dintfoundation.bsky.social) Jun 1, 2026 · 6 likes

• ClaudeのPython/TypeScript SDKに、ブラウザ・PC操作用の機能がベータ追加。かなりでかいのでは。 platform.claude.com/docs/en/rele....

  des Esseintes (@desesseintes.bsky.social) Oct 7, 2026 · 1 like

• Ask Claude Code about these features using the built-in "claude-api" skill or check out the release notes: https://platform.claude.com/docs/en/release-notes/overview#july-22-2026

  ClaudeDevs [UNOFFICIAL] (@claudedevs-mirr.selfhosted.social) Jul 22, 2026 · 1 like

• Anthropic cut prompt cache reads on Claude Sonnet 5.5 from $0.20 to $0.10 per million tokens on October 7: 0.05x the base input price instead of 0.1x. Cache writes and every other price are unchanged. https://platform.claude.com/docs/en/release-notes/overview

  ImportStatic (@importstatic.com) Oct 8, 2026