Claude Opus 4.8 Non-reasoning
| Released | 2026-05-28 |
|---|---|
| Price per 1M | $5.00 in · $25.00 out |
| Overall score | 53.3 (early, few results) |
| Context window | 1,000,000 tokens |
| Provider | Anthropic |
| Weights | Proprietary |
| Configuration | Non-reasoning |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 53.3 | 3 | |
| Overall: Coding | 54.3 | 2 | |
| Overall: Reasoning | 53.3 | 3 | |
| Overall: Agentic work | 54.3 | 2 | |
| Reasoning | 54.3 | 2 | |
| Math | 52.0 | 1 | |
| Value vs price | −3.4 |
Evidence
Reasoning 54.3 ±4.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| GPQA Diamond | 85.4% | Epoch AI | 2026-08-06 |
| Chess Puzzles | 19.0% | Epoch AI | 2026-10-13 |
Math 52.0 ±3.6
| Benchmark | Result | Source | Date |
|---|---|---|---|
| OTIS Mock AIME 2024-2025 | 84.4% | Epoch AI | 2026-08-06 |
Names matched to this model
claude-opus-4-8-non-reasoning