Anthropic · anthropic/claude-sonnet-4.5
claude-sonnet-4.5
Senior Developer 1000k context Hermes LimitedClaude 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...
Input / M
$3.000
Output / M
$15.000
Value score
12.13
30d price Δ
0%
Reasoning (AA)
20.7
Coding (AA)
52.1
Tool / agentic
—
Knowledge cutoff
2025-01-31
Price history
Not enough history yet — newer than the backfill window.
Capability snapshot
Last-known Artificial Analysis indexes via OpenRouter.
| Index | Score |
|---|---|
| coding | 52.1 |
| context | 99.6 |
| general_intelligence | 20.7 |
| reasoning | 20.7 |
| tool_use | 15.8 |