Claude API pricing
Every Claude model from Anthropic we track, with input, cached input and output cost in USD per 1M tokens. Anthropic quotes prices per million tokens (MTok) and bills prompt caching as separate write and read rates, with cache hits far cheaper than base input.
18 models · updated 2026-09-26 · prices in USD per 1,000,000 tokens
18
Models tracked
$0.800
Cheapest input — Claude Haiku 3.5
$15.00
Priciest input — Claude Opus 4
1M
Largest context — Claude Fable 5.1
Listed in the order Anthropic publishes them.
| Claude Fable 5.1 | $10.00 | $0.250 | $50.00 | 1M |
|---|---|---|---|---|
| Claude Mythos 5.1 | $10.00 | $0.250 | $50.00 | — |
| Claude Fable 5 | $10.00 | $1.00 | $50.00 | 1M |
| Claude Mythos 5 | $10.00 | $1.00 | $50.00 | — |
| Claude Opus 5.5 | $4.00 | $0.200 | $20.00 | 1M |
| Claude Opus 5 | $5.00 | $0.500 | $25.00 | 1M |
| Claude Opus 4.8 | $5.00 | $0.500 | $25.00 | 1M |
| Claude Opus 4.7 | $5.00 | $0.500 | $25.00 | 1M |
| Claude Opus 4.6 | $5.00 | $0.500 | $25.00 | 1M |
| Claude Opus 4.5 | $5.00 | $0.500 | $25.00 | 200K |
| Claude Opus 4.1 | $15.00 | $1.50 | $75.00 | 200K |
| Claude Opus 4 | $15.00 | $1.50 | $75.00 | 200K |
| Claude Sonnet 5 | $2.00 | $0.200 | $10.00 | 1M |
| Claude Sonnet 4.6 | $3.00 | $0.300 | $15.00 | 1M |
| Claude Sonnet 4.5 | $3.00 | $0.300 | $15.00 | 1M |
| Claude Sonnet 4 | $3.00 | $0.300 | $15.00 | 200K |
| Claude Haiku 4.5 | $1.00 | $0.100 | $5.00 | 200K |
| Claude Haiku 3.5 | $0.800 | $0.080 | $4.00 | — |
Claude pricing questions
- How much does the Claude API cost?
- Claude pricing runs from $0.800 to $15.00 per 1M input tokens depending on the model. Claude Opus 4 costs $15.00 per 1M input and $75.00 per 1M output tokens.
- What is the cheapest Claude model?
- Claude Haiku 3.5 is the cheapest Claude model we track, at $0.800 per 1M input tokens and $4.00 per 1M output tokens.
- Does Claude charge less for cached tokens?
- Yes. Cached input is billed at a lower rate than fresh input — for Claude Fable 5.1 it is $0.250 per 1M versus $10.00, about 98% cheaper. Caching applies to repeated prompt prefixes.
- How often is this Claude pricing updated?
- Every day. Prices are read directly from the published pricing page, normalized to USD per 1,000,000 tokens, and only recorded when a number actually changes — so the history shows real price movements rather than daily noise.