gaClosedreleased Sep 29, 2025
Claude Sonnet 4.5
API pricing · verified Nov 1, 2025
Input from $/1M
$3.00
Output from $/1M
$15.00
Context
200K
Providers
02
textvisiontoolsjson-modereasoning
| Provider | Input $/1M | Output $/1M | Cached input $/1M |
|---|---|---|---|
| Anthropic | $3.00 | $15.00 | $0.3 |
| OpenRouter | $3.00 | $15.00 | — |
Arena & benchmarks
Full leaderboard →1456 arena elo#55 arena rank
variant: claude-sonnet-4-5-20250929-high-32k
snapshot Aug 13, 2026
base variant: 1455 Elo, rank 58
| Benchmark | Score |
|---|---|
| SWE-bench Verified | 77.2 |
| AIME 2025 | 87.0 |
| GPQA Diamond | 83.4 |
| Terminal-Bench | 50.0 |
| OSWorld | 61.4 |
| MMMLU | 89.1 |
| MMMU (validation) | 77.8 |
Last verified: . Prices change — always confirm on the official page before budgeting.Estimate monthly cost →