Claude Sonnet 4.5
AnthropicClaude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
In
$3.00
Out
$15.00
Blended
$6.00
Where to buy this model
5 access routes| Route | In | Out | Blended | vs |
|---|---|---|---|---|
| $3.00 | $15.00 | $6.00 | - | |
| $3.00 | $15.00 | $6.00 | +0% | |
| $3.00 | $15.00 | $6.00 | +0% | |
| $3.00 | $15.00 | $6.00 | +0% | |
| $3.00 | $15.00 | $6.00 | +0% |
● official API · ● cloud platform · ● inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.
- Ctx
- 1M
- max output
- 64K
- cache read /1M
- $0.30
- Family
- claude
- Modalities
- text · image · file
- Features
- json · reasoning · tools
Live pricing, updated 2026-09-15.