API Cost Check
Anthropic API pricing
Anthropic currently lists 16 models in our data. The lowest input price is Claude Haiku 5.5 at $0.10 per 1M tokens and the lowest output price is Claude Haiku 5.5 at $0.50; the newest model is Claude Haiku 5.5 (2026-10-07). 16 of the 16 have a cached-input price and 16 a batch price. Tick models to compare them, or put your traffic into the calculator. Official price page: platform.claude.com ↗.
Billing rules for caching, Batch and long prompts: Anthropic API cost guide.
Default order: premium models (output $6.00+/1M) first, newest release first. Tick models to compare them side by side.
| Compare | Model | Provider | Released | Input /1M | Output /1M | Cached input /1M | Max input |
|---|---|---|---|---|---|---|---|
| Claude Sonnet 5.5 | Anthropic | 2026-09-28 | $2.00 | $10.00 | $0.10 | 1000K | |
| Claude Opus 5.5 | Anthropic | 2026-09-22 | $4.00 | $20.00 | $0.20 | 1000K | |
| Claude Fable 5.1 | Anthropic | 2026-09-01 | $10.00 | $50.00 | $0.25 | 1000K | |
| Claude Opus 5 | Anthropic | 2026-07-24 | $5.00 | $25.00 | $0.50 | 1000K | |
| Claude Sonnet 5 | Anthropic | 2026-06-29 | $2.00 | $10.00 | $0.20 | 1000K | |
| Claude Mythos 5 | Anthropic | 2026-06-09 | $10.00 | $50.00 | $1.00 | 1000K | |
| Claude Fable 5 | Anthropic | 2026-06-07 | $10.00 | $50.00 | $1.00 | 1000K | |
| Claude Opus 4.8 | Anthropic | 2026-05-28 | $5.00 | $25.00 | $0.50 | 1000K | |
| Claude Opus 4.7 | Anthropic | 2026-04-14 | $5.00 | $25.00 | $0.50 | 1000K | |
| Claude Sonnet 4.6 | Anthropic | 2026-02-17 | $3.00 | $15.00 | $0.30 | 1000K | |
| Claude Opus 4.6 | Anthropic | 2026-02-04 | $5.00 | $25.00 | $0.50 | 1000K | |
| Claude Opus 4.5 | Anthropic | 2025-11-24 | $5.00 | $25.00 | $0.50 | 200K | |
| Claude Sonnet 4.5 | Anthropic | 2025-09-29 | $3.00 | $15.00 | $0.30 | 200K | |
| Claude Mythos 5.1 | Anthropic | — | $10.00 | $50.00 | $0.25 | 1000K | |
| Claude Haiku 5.5 | Anthropic | 2026-10-07 | $0.10 | $0.50 | $0.01 | 1000K | |
| Claude Haiku 4.5 | Anthropic | 2025-10-15 | $1.00 | $5.00 | $0.10 | 200K |
Recent price changes
| Date | Model | Change | Old | New | Change % |
|---|---|---|---|---|---|
| 2026-10-08 | Claude Sonnet 5.5 | Cached input | $0.20 | $0.10 | -50% |
Retired models
Estimates from published per-token rates; check official pricing before budgeting. Data synced from the LiteLLM price list 2026-10-13 08:00 UTC.
FAQ
Where do these prices come from?
From the open-source LiteLLM price list, refreshed every 4 hours and, for providers with an automatic check, compared field by field with the provider's official pricing page. Each model page shows what was verified.
Why is a model missing?
We list first-party chat and reasoning models with published per-token prices. Audio, image, realtime, fine-tuned and third-party-hosted models are out of scope; deprecated models move to the retired list. Missing or wrong entries can be reported on the feedback board.