Release tracker / Anthropic
Anthropic model releases
Every Anthropic model launch we have recorded, newest first: Haiku, Sonnet, Opus, Fable. Each one links to its source, and to how it ranks on our benchmarks where we have tested it.
- Latest
- Claude Haiku 5.5, 7 Oct 2026
- Launches
- 25
- Since
- 4 Mar 2024
- Since last launch
- 5 days
Anthropic's latest model
-
#13 of 22 overall$0.10 in · $0.50 out per MProvider source
Claude Haiku 5.5 came out 5 days ago. Anthropic posts its own announcements at www.anthropic.com/news. Spotted a launch we're missing? Tell us.
How often Anthropic ships
Lines with at least three launches in the last two years. Amber: longer since the last launch than the line's average gap. Grey: no launch for 90 days or more, marked quiet.
| Line | Size | Launches | Average gap | Latest | Last launch |
|---|---|---|---|---|---|
| Opus | Large | 8 | 70 days | Claude Opus 5.522 Sep 2026 | 20 days ago |
| Fable | Large | 3 | 74 days | Claude Fable 5.11 Sep 2026 | 41 days ago |
| Sonnet | Medium | 7 | 118 days | Claude Sonnet 5.528 Sep 2026 | 14 days ago |
| Haiku | Small | 3 | 358 days | Claude Haiku 5.57 Oct 2026 | 5 days ago |
Every Anthropic release
-
#13 of 22 overall$0.10 in · $0.50 out per MProvider source
-
#7 of 22 overall$2.00 in · $10.00 out per MProvider source
-
#1 of 22 overall$4.00 in · $20.00 out per MProvider source
-
#5 of 22 overall$10.00 in · $50.00 out per MProvider source
-
$5.00 in · $25.00 out per MProvider source
-
$2.00 in · $10.00 out per MEpoch AI source
-
$10.00 in · $50.00 out per MProvider source
-
$5.00 in · $25.00 out per MProvider source
-
$5.00 in · $25.00 out per MProvider source
-
Claude Mythos Preview
-
$3.00 in · $15.00 out per MProvider source
-
$5.00 in · $25.00 out per MProvider source
-
$5.00 in · $25.00 out per MProvider source
-
#22 of 22 overall$1.00 in · $5.00 out per MProvider source
-
$3.00 in · $15.00 out per MProvider source
-
$15.00 in · $75.00 out per MProvider source
-
$3.00 in · $15.00 out per MProvider source
Questions
- What is Anthropic's latest model?
- Claude Haiku 5.5, released 7 Oct 2026 (5 days ago). It is the newest of the 25 Anthropic launches we have recorded since 4 Mar 2024.
- When will Anthropic release its next model?
- Anthropic has not announced its next model. It usually releases a new Opus model about every 70 days; the last was Claude Opus 5.5, 20 days ago. It usually releases a new Fable model about every 74 days; the last was Claude Fable 5.1, 41 days ago. It usually releases a new Sonnet model about every 118 days; the last was Claude Sonnet 5.5, 14 days ago. It usually releases a new Haiku model about every 358 days; the last was Claude Haiku 5.5, 5 days ago.
- How often does Anthropic release new models?
- Over the last two years: a new Opus model about every 70 days (8 launches); a new Fable model about every 74 days (3 launches); a new Sonnet model about every 118 days (7 launches); a new Haiku model about every 358 days (3 launches).
Other providers: OpenAI, Mistral AI, Alibaba, Google, DeepSeek, xAI, Meta, Z.ai, Moonshot AI, Microsoft, MiniMax, Xiaomi, Amazon, NVIDIA, StepFun. Or see every launch on one timeline.
A launch is the first day a model was publicly available, previews included; a family's sizes released together count once, and later dated updates of a model are left out. Main lines are checked by hand against the provider's own changelog or announcement where we could read it ("Provider"), otherwise a reference page ("Reference"); the rest come from Epoch AI's model data (CC BY 4.0).