Live · refreshed hourly
Anthropic API pricing
Every Anthropic model available through OpenRouter, at Anthropic's list price per million tokens.
Newest
Claude Sonnet 5.5
$2 in · $10 out
Cheapest
Claude Haiku 4.5
$1 in · $5 out
Most expensive
Claude Opus 4.1
$15 in · $75 out
All Anthropic models and prices
| Model | Input / 1M | Output / 1M |
|---|---|---|
| Claude Sonnet 5.5 | $2 | $10 |
| Claude Opus 5.5 | $4 | $20 |
| Claude Fable 5.1 | $10 | $50 |
| Claude Opus 5 | $5 | $25 |
| Claude Sonnet 5 | $2 | $10 |
| Claude Fable 5 | $10 | $50 |
| Claude Opus 4.8 | $5 | $25 |
| Claude Opus 4.7 | $5 | $25 |
| Claude Sonnet 4.6 | $3 | $15 |
| Claude Opus 4.6 | $5 | $25 |
| Claude Opus 4.5 | $5 | $25 |
| Claude Haiku 4.5 | $1 | $5 |
| Claude Sonnet 4.5 | $3 | $15 |
| Claude Opus 4.1 | $15 | $75 |
| Claude Sonnet 4 | $3 | $15 |
Per million tokens, list price. Newest first.
Where to buy Anthropic API credits for less
Anthropic models cost the same per token wherever they're billed through OpenRouter. The credits don't. Live quotes for $100 of usage:
Disclosure: this site is run by the team behind smaaart, one of the options compared. Tables are ranked by price only, from live quotes and published fees, including when smaaart isn't first. How we compare