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Add up to four models via ?models=slug-a,slug-b — or pick from any model page.
| Spec | OpenAI |
|---|---|
| Context | 400K |
| Weights | |
| License | — |
| — | |
| Cheapest hosted (out/1M) | $0.40 · OpenRouter |
| Released | Aug 7, 2025 |
| Arena Coding | 1383.7via High |
| Arena Creative Writing | 1247.8via High |
| Arena Hard Prompts | 1354.7via High |
| Arena Instruction Following | 1326via High |
| Arena Maths | 1345.1via High |
| Arena Text (overall) | 1337.4via High |
| SWE-bench Verified | 34.8via mini-SWE-agent |