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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) | $14.00 · OpenRouter |
| Released | Feb 24, 2026 |
| Arena Code (WebDev) | 1408.9via codex-harness |
