Anthropic API pricing: Claude models per 1M tokens
Checked Nov 9, 2026 on Anthropic API’s official pages (sources below). Prices change often: confirm with the provider before you buy.
Anthropic bills the Claude API per million input and output tokens. Prompt caching has separate write prices (5-minute and 1-hour) and a much lower price for cache hits.
Figures below are quoted from Anthropic’s pricing docs (docs.anthropic.com) as read on Nov 9, 2026. Prices change often: confirm with Anthropic before you buy.
Current models (per 1M tokens)
- Claude Fable 5.1
- Input$10
- Output$50
- Cache write 5m / 1h$12.50 / $20
- Cache hit$0.25
- Claude Opus 5.5
- Input$4
- Output$20
- Cache write 5m / 1h$5 / $8
- Cache hit$0.20
- Claude Sonnet 5.5
- Input$2
- Output$10
- Cache write 5m / 1h$2.50 / $4
- Cache hit$0.10
- Claude Haiku 5.5 (prompts up to 100K tokens)
- Input$0.10
- Output$0.50
- Cache write 5m / 1h
- Cache hit
- Claude Haiku 5.5 (prompts over 100K tokens)
- Input$0.50
- Output$2.50
- Cache write 5m / 1h
- Cache hit
Older models still listed (per 1M tokens)
- Claude Opus 4.5–4.8
- Input$5
- Output$25
- Claude Opus 4.1
- Input$15
- Output$75
- Claude Sonnet 4.x
- Input$3
- Output$15
- Claude Haiku 4.5
- Input$1
- Output$5
Notes
- Haiku 5.5 has two price bands depending on prompt length (up to 100K tokens, or over).
- Cache-hit prices apply to input read from a prompt cache; cache writes are billed at the write rate shown.
Compare with other providers in OpenAI vs Anthropic API.
Anthropic API pricing FAQ
How much does the Claude API cost?
Per Anthropic’s docs on Nov 9, 2026: Fable 5.1 $10 / $50, Opus 5.5 $4 / $20, Sonnet 5.5 $2 / $10 and Haiku 5.5 $0.10 / $0.50 per 1M input / output tokens (Haiku $0.50 / $2.50 for prompts over 100K tokens).
How much does Claude prompt caching cost?
For Sonnet 5.5, a 5-minute cache write is $2.50 and a 1-hour write $4 per 1M tokens, and a cache hit is $0.10 per 1M tokens.
Sources (official pages, read Nov 9, 2026)
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