# Claude Platform Claude Platform release notes — July 24, 2026

- Product: Claude Platform (https://whatsnew.fyi/product/claude-platform)
- Vendor: Anthropic
- Date: 2026-07-24
- Original notes: https://platform.claude.com/docs/en/release-notes/overview#july-24-2026
- Permalink: https://whatsnew.fyi/product/claude-platform/releases/2026-07-24-claude-platform-release-notes-july-24-2026

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We've launched Claude Opus 5 ( claude-opus-5 ), a step-change improvement over Claude Opus 4.8. Claude Opus 5 supports a 1M token context window (both the default and the maximum), 128k max output tok…

- **added** — Launched Claude Opus 5 with 1M token context window support
- **changed** — Claude Opus 5 provides improved capabilities over Claude Opus 4.8