Claude Sonnet 5.5 pricing.
Prices checked
Claude Sonnet 5.5 costs $2 in and $10 out per million tokens from Anthropic; the cheapest price is $16 at OpenRouter, checked .
Anthropic's own price
Anthropic
$2 in · $10 out
354% above the typical price of the 347 text models we track.
Cheapest price
OpenRouter
$2 in · $10 out
Nobody sells it for less than Anthropic with a reason we can point at.
Every provider selling Claude Sonnet 5.5
- 1
$2 in · $10 out
$16/M tokens - 2
$2 in · $10 out
$16/M tokens - 3
$2 in · $10 out
$16/M tokens - 4
$2 in · $10 out
$16/M tokens - 5
$2 in · $10 out
$16/M tokens - 6
$2 in · $10 out
$16/M tokens - 7
$2 in · $10 out
$16/M tokens - 8
$2 in · $10 out
$16/M tokens - 9
$2 in · $10 out
$16/M tokens - 10
$2 in · $10 out
$16/M tokens - 11
$2 in · $10 out
$16/M tokens - 12
GitHub Copilot
Same as maker$2 in · $10 out
$16/M tokens - 13
$2 in · $10 out
$16/M tokens - 14
$2 in · $10 out
$16/M tokens - 15
$2 in · $10 out
$16/M tokens - 16
$2 in · $10 out
$16/M tokens - 17
$2 in · $10 out
$16/M tokens - 18
$2 in · $10 out
$16/M tokens - 19
$2 in · $10 out
$16/M tokens - 20
$2 in · $10 out
$16/M tokens - 21
$2 in · $10 out
$16/M tokens - 22
$2 in · $10 out
$16/M tokens - 23
$2 in · $10 out
$16/M tokens - 24
$2.02 in · $10.10 out
$16.16/M tokens - 25
$2.11 in · $10.55 out
$16.88/M tokens
What it costs for your work
A month at Anthropic's own price
A month at OpenRouter, the cheapest
What you save
A page is about 600 tokens in and 60 out, a support reply 200 in and 300 out, an email 150 in and 250 out. Nothing else is counted: no cache discount, no batch rate, no free tier.
How we count
Prices are per million tokens. The big number on each row is blended 3 in : 1 out, the way most work uses a model. A price below Anthropic's own is listed as cheapest only when the provider says why.
- Same as maker
- Sold by someone else at the price the maker charges.
- Maker's price
- What the lab that trained the model charges on its own API. Every other row is measured against it.
- Costs more
- Sold by someone else for more than the maker charges.
Frequently asked
- Who sells Claude Sonnet 5.5 cheapest?
- No provider sells Claude Sonnet 5.5 below Anthropic's own price for a reason it publishes. 25 providers sell it at that price or above, and every one of them is on this page.
- Is Claude Sonnet 5.5 open weights?
- No. Anthropic keeps the weights, so every price on this page is Anthropic's own or a resale of it. A price below Anthropic's here needs a published reason, or it is listed and not ranked.
- How much context does Claude Sonnet 5.5 hold?
- 1,000,000 tokens in one call, which is about 1M, and it can call your own functions.
- How does Claude Sonnet 5.5 compare with the rest of the market?
- At $16 per million tokens, Anthropic's own price is 354% above the typical $3.53 across the 347 text models we track.
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