Claude Sonnet 5.5
AnthropicClaude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...
In
$2.00
Out
$10.00
Blended
$4.00
Where to buy this model
5 access routes| Route | In | Out | Blended | vs |
|---|---|---|---|---|
| $2.00 | $10.00 | $4.00 | - | |
| $2.00 | $10.00 | $4.00 | +0% | |
| $2.00 | $10.00 | $4.00 | +0% | |
| $2.00 | $10.00 | $4.00 | +0% | |
| $2.00 | $10.00 | $4.00 | +0% |
● official API · ● cloud platform · ● inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.
- Ctx
- 1M
- max output
- 128K
- cache read /1M
- $0.10
- Family
- claude
- Modalities
- text · image · file
- Features
- json · reasoning · tools
Live pricing, updated 2026-11-03.
Anthropic models at a similar price
| Model | In | Out | Ctx |
|---|---|---|---|
| Claude Haiku 4.5 | $1 | $5 | 200K |
| Claude Sonnet 5 | $2 | $10 | 1M |
| Claude Sonnet 5.5 · this model | $2 | $10 | 1M |
| Claude Sonnet 4.5 | $3 | $15 | 1M |
| Claude Sonnet 4.6 | $3 | $15 | 1M |
| Claude Opus 5.5 | $4 | $20 | 1M |