Claude Sonnet 4.6
Default coding driver. 98% of Opus at ⅕ cost
- Vendor
- Anthropic
- License
- closed
- Released
- 2025-12
- Parameters
- Undisclosed
- Context window
- 1M tokens
Capabilities
Claude Sonnet 4.6 supports vision (image input), tool use, extended reasoning and computer use, with a 1M-token context window.
- Vision — image input
- Audio — audio input (not confirmed)
- Tools — function calling / tool use
- Reasoning — extended thinking
- Computer use — desktop / browser control
Benchmarks
| SWE-Bench Verified | 79.6% |
|---|---|
| SWE-Bench Pro | Not published |
| Terminal-Bench | Not published |
| Reasoning composite | 86 / 100 |
The reasoning composite is a directional 0–100 score aggregated across public reasoning evals — comparable within this matrix, not an official vendor number.
Pricing
$3/M input tokens · $15/M output tokens.