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ANTHROPIC RELEASE CLOCK · UPDATED NOV 6, 2026
When is Anthropic's next model coming?
Anthropic last shipped Claude Haiku 5.5 on Oct 7, 2026, 30 days ago. Its last 4 release gaps were 39, 21, 6, 9 days, so a typical gap is about 15 days. No next model announced as of Nov 5, 2026.
What Anthropic has said
No official word on the next model, and no credible reports, as of Nov 5, 2026.
Current models
| Model | Arena Elo | GPQA | $ / 1M in · out | Note |
|---|---|---|---|---|
| Claude Opus 5.5 docs ↗ | 1509 source ↗ | 90.6% source ↗ | $4 / $20 source ↗ | Same rate across the full 1M context window. |
| Claude Fable 5.1 docs ↗ | 1504 source ↗ | n/a | $10 / $50 source ↗ | Same rate across the full 1M context window. |
| Claude Sonnet 5.5 docs ↗ | 1477 source ↗ | 95.6% source ↗ | $2 / $10 source ↗ | Same rate across the full 1M context window. |
Arena Elo from the arena.ai text leaderboard as of Oct 27, 2026 source ↗.
2026 release history
| Date | Model | Type | Source |
|---|---|---|---|
| Oct 7, 2026 | Claude Haiku 5.5 | API release | source ↗ |
| Sep 28, 2026 | Claude Sonnet 5.5 | API release | source ↗ |
| Sep 22, 2026 | Claude Opus 5.5 | API release | source ↗ |
| Sep 1, 2026 | Claude Fable 5.1 | API release | source ↗ |
| Jul 24, 2026 | Claude Opus 5 | API release | source ↗ |
| Jun 30, 2026 | Claude Sonnet 5 | API release | source ↗ |
| Jun 9, 2026 | Claude Fable 5 | API release | source ↗ |
| May 28, 2026 | Claude Opus 4.8 | API release | source ↗ |
| Apr 16, 2026 | Claude Opus 4.7 | API release | source ↗ |
| Feb 17, 2026 | Claude Sonnet 4.6 | API release | source ↗ |
| Feb 5, 2026 | Claude Opus 4.6 | API release | source ↗ |
Gaps count public releases only: API releases, public API previews and open weights. Trusted-access and app-only launches are listed but not counted.
Frequently asked questions
When will Anthropic release its next model?
Anthropic has not announced its next model. Its last release was Claude Haiku 5.5 on Oct 7, 2026. Its recent release gaps were 39, 21, 6, 9 days (typical about 15 days), so if it keeps that pace, the next release would fall in this rough window: Now to Nov 15, 2026. Labs do not follow schedules.
What is Anthropic's latest model?
Anthropic's current models are Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 5.5, Claude Fable 5.1. The most recent release was Claude Haiku 5.5 on Oct 7, 2026.
Facts checked Nov 5, 2026 against official sources. Every number links to its source. Spotted an error? Email [email protected].