Leak says Claude Opus 5 is set to launch today, with benchmark results near Fable 5
mcraddock · x · 2026-07-23
- A reposted leak says Claude Opus 5 is scheduled to launch today, likely Thursday in most time zones, unless Anthropic hits a last-minute delay.
- The same source says Anthropic had been aiming for a Thursday release, and that benchmark performance should be roughly comparable to Fable 5 but not better than it.
- The attached image also shows the Claude Opus 5 branding, reinforcing that this is about an imminent model launch.
Related event: Rumors Swirl: Anthropic's Claude Opus 5 Launch Imminent(2 posts)→
More from Models
- Gemini 3.6 Flash feels smarter in a quick user test — sankin_eth · 2026-07-23
- Tencent’s Hy3 tops OpenRouter with 8.98T tokens and a solid coding test — alex_verem · 2026-07-23
- Anthropic’s Opus 5 is reportedly coming today — mark_k · 2026-07-23
- A screenshot frames the update as a meaningful architectural improvement, not just “quality++++” — Dimillian · 2026-07-23
- Apple users are mocking the new “Write with Siri” keyboard button — Aryvyo · 2026-07-23
- Anthropic reportedly has a separate prompting guide for Fable 5 — JafarNajafov · 2026-07-23