Provider - 16 models
Anthropic API models
The registry lists 16 Anthropic models with first-party API prices, context windows and release dates. The newest is Claude Haiku 5.5, released October 7, 2026. Claude Haiku 5.5 has the lowest output price at $0.50 per 1M tokens ($0.10 input). The largest context window is 1,000,000 tokens, on Claude Fable 5, Claude Fable 5.1, Claude Haiku 5.5 and 10 others. None of them publish open weights.
Last verified . Sources
- Models
- 16
- Lowest output / 1M
- $0.50
- Largest context
- 1M
- Open weights
- 0 of 16
Every Anthropic model
| Model | API model id | Input / 1M | Output / 1M | Context | Max output | Released | Open weights |
|---|---|---|---|---|---|---|---|
| Claude Haiku 5.5 | claude-haiku-5-5 | $0.10 | $0.50 | 1M | 128K | No | |
| Claude Sonnet 5.5 | claude-sonnet-5-5 | $2 | $10 | 1M | 128K | No | |
| Claude Opus 5.5 | claude-opus-5-5 | $4 | $20 | 1M | 128K | No | |
| Claude Fable 5.1 | claude-fable-5-1 | $10 | $50 | 1M | 128K | No | |
| Claude Mythos 5.1 | claude-mythos-5-1 | $10 | $50 | 1M | 128K | No | |
| Claude Opus 5 | claude-opus-5 | $5 | $25 | 1M | 128K | No | |
| Claude Sonnet 5 | claude-sonnet-5 | $2 | $10 | 1M | 128K | No | |
| Claude Fable 5 | claude-fable-5 | $10 | $50 | 1M | 128K | No | |
| Claude Mythos 5 | claude-mythos-5 | $10 | $50 | 1M | 128K | No | |
| Claude Opus 4.8 | claude-opus-4-8 | $5 | $25 | 1M | 128K | No | |
| Claude Opus 4.7 | claude-opus-4-7 | $5 | $25 | 1M | 128K | No | |
| Claude Sonnet 4.6 | claude-sonnet-4-6 | $3 | $15 | 1M | 128K | No | |
| Claude Opus 4.6 | claude-opus-4-6 | $5 | $25 | 1M | 128K | No | |
| Claude Opus 4.5 | claude-opus-4-5-20251101 | $5 | $25 | 200K | 64K | No | |
| Claude Haiku 4.5 | claude-haiku-4-5-20251001 | $1 | $5 | 200K | 64K | No | |
| Claude Sonnet 4.5 | claude-sonnet-4-5-20250929 | $3 | $15 | 200K | 64K | No |
Prices in USD per 1M tokens at the standard rate, newest release first. A dash means no primary page states that fact. Open a model for cache, batch and long-context rates.
Capabilities
| Model | Tool calling | Structured outputs | Image input | Audio input | Prompt caching | Batch API | Reasoning |
|---|---|---|---|---|---|---|---|
| Claude Haiku 5.5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Sonnet 5.5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Opus 5.5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Fable 5.1 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Mythos 5.1 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Opus 5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Sonnet 5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Fable 5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Mythos 5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Opus 4.8 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Opus 4.7 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Sonnet 4.6 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Opus 4.6 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Opus 4.5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Haiku 4.5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Claude Sonnet 4.5 | Yes | Yes | Yes | No | Yes | Yes | Yes |
From each model's API docs; open a model for the source behind every answer. Not stated means the provider's docs do not say either way. It is not the same as No. Compare every provider.
Limits, shutdowns and benchmarks
Rate limits
Anthropic API rate limits42 sourced limits, verified October 17, 2026.Shutdown dates
Claude model deprecations1 scheduled shutdown, as of Oct 17, 2026.Benchmarks
Anthropic models appear on 12 sourced leaderboards.
- DeepSWE, NL2Repo and ProgramBench8 models
- LMArena8 models
- tau-bench and tau2-bench7 models
- Terminal-Bench7 models
- Humanity's Last Exam5 models
- ARC-AGI4 models
- AIME3 models
- Artificial Analysis Intelligence Index3 models
- GPQA Diamond3 models
- OSWorld3 models
- MMMU2 models
- SWE-bench (Verified and Pro)1 model
Compare
Side-by-side pages with both models' prices, specs, cost examples and like-for-like benchmark rows.
- Claude Fable 5 vs Claude Fable 5.1Same provider, successor
- Claude Haiku 4.5 vs Claude Haiku 5.5Same provider, successor
- Claude Mythos 5 vs Claude Mythos 5.1Same provider, successor
- Claude Opus 4.7 vs Claude Opus 4.8Same provider, successor
- Claude Opus 4.8 vs Claude Opus 5Same provider, successor
- Claude Opus 5 vs Claude Opus 5.5Same provider, successor
- Claude Sonnet 4.6 vs Claude Sonnet 5Same provider, successor
- Claude Sonnet 5 vs Claude Sonnet 5.5Same provider, successor
- Claude Fable 5.1 vs GPT-6 AstraSimilar price, same tier
- Claude Haiku 5.5 vs GLM-5.3-FlashSimilar price, same tier
- Claude Haiku 5.5 vs GPT-6 LunaSimilar price, same tier
- Claude Haiku 5.5 vs Mistral Small 4Similar price, same tier
- Claude Haiku 5.5 vs Qwen3.8-FlashSimilar price, same tier
- Claude Opus 5.5 vs Gemini 4 ArgonSimilar price, same tier
- Claude Opus 5.5 vs GPT-6.1 SolSimilar price, same tier
- Claude Opus 5.5 vs Grok 4.7Similar price, same tier
- Claude Opus 5.5 vs Kimi K3Similar price, same tier
- Claude Opus 5.5 vs Qwen3.8-2.4T-A95BSimilar price, same tier
- Claude Opus 5.5 vs Qwen3.8-MaxSimilar price, same tier
- Claude Sonnet 5.5 vs Gemini 4 ArgonSimilar price, same tier
- Claude Sonnet 5.5 vs GPT-6.1 SolSimilar price, same tier
- Claude Sonnet 5.5 vs Grok 4.7Similar price, same tier
- Claude Sonnet 5.5 vs Kimi K3Similar price, same tier
- Claude Sonnet 5.5 vs Qwen3.8-2.4T-A95BSimilar price, same tier
- Claude Sonnet 5.5 vs Qwen3.8-MaxSimilar price, same tier
- Claude Haiku 5.5 vs DeepSeek V4.1 FlashOpen weights vs closed
- Claude Haiku 5.5 vs MiniMax-M3Open weights vs closed
- Claude Opus 5.5 vs DeepSeek V4 ProOpen weights vs closed
- Claude Opus 5.5 vs GLM-5.3Open weights vs closed
- Claude Sonnet 5.5 vs DeepSeek V4 ProOpen weights vs closed
- Claude Sonnet 5.5 vs GLM-5.3Open weights vs closed
FAQ
What is the cheapest Anthropic model?
By output price, Claude Haiku 5.5 is the cheapest Anthropic model in the registry at $0.50 per 1M output tokens and $0.10 per 1M input tokens, per platform.claude.com on October 17, 2026.
Which Anthropic model has the largest context window?
13 Anthropic models share the largest context window in the registry, 1,000,000 tokens: Claude Fable 5, Claude Fable 5.1, Claude Haiku 5.5, Claude Mythos 5, Claude Mythos 5.1, Claude Opus 4.6, Claude Opus 4.7, Claude Opus 4.8, Claude Opus 5, Claude Opus 5.5, Claude Sonnet 4.6, Claude Sonnet 5 and Claude Sonnet 5.5.
What is the newest Anthropic model?
Claude Haiku 5.5 is the most recent Anthropic release in the registry, released on October 7, 2026.
Which Anthropic models have open weights?
None. All 16 Anthropic models in the registry are closed-weights models you call through the API.
Sources
Prices last verified from platform.claude.com.
Further primary sources (20)
- https://platform.claude.com/docs/en/models/haiku-5-5/overview
- https://platform.claude.com/docs/en/about-claude/models/overview
- https://platform.claude.com/docs/en/release-notes/overview
- https://platform.claude.com/docs/en/models/sonnet-5-5/overview
- https://platform.claude.com/docs/en/models/opus-5-5/overview
- https://platform.claude.com/docs/en/build-with-claude/fast-mode
- https://platform.claude.com/docs/en/models/fable-5-1/overview
- https://platform.claude.com/docs/en/models/mythos-5-1/overview
- https://platform.claude.com/docs/en/about-claude/model-deprecations
- https://platform.claude.com/docs/en/models/opus-5/overview
- https://platform.claude.com/docs/en/models/sonnet-5/overview
- https://platform.claude.com/docs/en/models/fable-5/overview
- https://platform.claude.com/docs/en/models/mythos-5/overview
- https://platform.claude.com/docs/en/models/opus-4-8/overview
- https://platform.claude.com/docs/en/models/opus-4-7/overview
- https://platform.claude.com/docs/en/models/sonnet-4-6/overview
- https://platform.claude.com/docs/en/models/opus-4-6/overview
- https://platform.claude.com/docs/en/models/opus-4-5/overview
- https://platform.claude.com/docs/en/models/haiku-4-5/overview
- https://platform.claude.com/docs/en/models/sonnet-4-5/overview
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