Claude Sonnet 4.6 Thinking
| Released | 2026-02-17 |
|---|---|
| Price per 1M | $3.00 in · $15.00 out |
| Overall score | 57.9 (early, few results) |
| Context window | 1,000,000 tokens |
| Provider | Anthropic |
| Weights | Proprietary |
| Configuration | Thinking |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 57.9 | 6 | |
| Overall: Coding | 57.1 | 2 | |
| Overall: Reasoning | 56.0 | 5 | |
| Overall: Agentic work | 57.1 | 2 | |
| Reasoning | 57.1 | 2 | |
| Math | 54.5 | 3 | |
| General | 62.5 | 1 | |
| Value vs price | +2.6 |
Evidence
Reasoning 57.1 ±2.8
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Extended NYT Connections | 76.4% | Lech Mazur | 2026-11-10 |
| GPQA Diamond | 87.4% | Epoch AI | 2026-02-20 |
Math 54.5 ±2.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| FrontierMath Tiers 1-3 (2025 set) | 32.4% | Epoch AI | 2026-02-20 |
| FrontierMath Tier 4 (2025 set) | 8.3% | Epoch AI | 2026-02-21 |
| OTIS Mock AIME 2024-2025 | 85.8% | Epoch AI | 2026-02-20 |
General 62.5 ±5.4
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Creative Story-Writing (Lech Mazur) | 73.0% | Lech Mazur | 2026-10-23 |
Names matched to this model
claude-sonnet-4-6-thinking