✳ releases · next Claude

When is the next Claude model coming out?

No date is confirmed. Polymarket prices Next Claude Sonnet at 98% by Dec 31. The latest Claude release was Claude Opus 5.5 on Sep 22, 2026.

Hear the minute the next Claude model drops, free →

What we're armed for

Every unreleased Claude model on the board, swept every 60 seconds. Odds are live Polymarket prices where a market exists: sentiment, not a promise.

• Next Claude Sonnet98% by Dec 31Watching — no 5.1+ id in the catalogs we sweep (latest seen: claude-sonnet-5)
• Claude Haiku 595% by Dec 31 · market: Next Claude HaikuWatching — no haiku-5 id in the catalogs we sweep (latest seen: claude-haiku-4.5)
• Fable 5.289% by Dec 31 · market: Next Fable (5.2 or later)Unannounced - armed on Anthropic's point-release cadence, not a leak
• Next Claude Opus (5.6+ / 6)61% by Nov 30Unannounced — armed on the cadence the moment 5.5 shipped, not on a leak
• Fable 6No date · Anthropic has said nothing on Fable 6; Fable 5.1 and Mythos 5.1 shipped Sep 1
• Fable 6.1No date · Fable 6 itself is unannounced (latest: 5.1, Sep 1); Reuters: Anthropic weighing a new model before its IPO (Sep 18)
• Mythos 5.2Unannounced - the Mythos-tier twin of the 5.2 hunt
• Mythos 6No date · unannounced; Mythos 5.1 (Sep 1) is still limited to vetted organizations

Latest Claude releases

• Claude Opus 5.5Sep 22, 2026
• Fable 5.1Sep 1, 2026
• Mythos 5.1Sep 1, 2026
• Claude Opus 5Jul 24, 2026
• Fable 5Jul 1, 2026
• Claude Sonnet 5Jun 30, 2026

Other labs: OpenAI · Gemini · Grok · DeepSeek · Kimi · Qwen · Meta · every release