GPT-6 Sol vs Claude Sonnet 5
⚖ Claude Sonnet 5 wins 3 of 4 categories.
Scores by category
| Category | GPT-6 Sol | Claude Sonnet 5 |
|---|---|---|
| Overall | 52 | 53 |
| Writing | 36 | 53 |
| Support | 37 | 56 |
| Coding | 62 | 55 |
Provisional scores, 0 to 100 among the models we track, from Arena and Epoch AI. Value weighs the overall score against cost.
Price and specs
| GPT-6 Sol | Claude Sonnet 5 | |
|---|---|---|
| Vendor | OpenAI | Anthropic |
| Released | 2026-09-22 | 2026-06-29 |
| Context window | 1.1M | 1M |
| Open weights | No | No |
| Input per 1M tokens | $2.00 | $2.00 |
| Output per 1M tokens | $10.00 | $10.00 |
| Per 1,000 tasks | $8.00 | $8.00 |