Claude Sonnet 4.5 High
| Released | 2025-09-29 |
|---|---|
| Price per 1M | $3.00 in · $15.00 out |
| Overall score | 52.1 (early, few results) |
| Context window | 200,000 tokens |
| Provider | Anthropic |
| Weights | Proprietary |
| Configuration | High |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 52.1 | 2 | |
| Overall: Coding | 43.3 | 1 | |
| Overall: Frontend | 43.3 | 1 | |
| Frontend | 43.3 | 1 | |
| General | 56.4 | 1 | |
| Value vs price | −3.2 |
Evidence
Frontend 43.3 ±3.0
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LMArena WebDev | 1,393 | LMArena | 2026-11-10 |
General 56.4 ±4.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LMArena Text | 1,456 | LMArena | 2026-11-09 |
Names matched to this model
claude-sonnet-4-5-20250929-high