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Compare AI Models
Versions side by side — rows that differ across these models are highlighted.
Versions side by side — rows that differ across these models are highlighted.
| API string | gemini-3.1-pro | claude-fable-5 | — |
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| Note | Current flagship; 2M-token context window (largest production context of any model family), strong coding/reasoning/multimodal. GA February 2026. | First publicly available Mythos-class model (above Opus); Mythos 5 weights with safety classifiers active. 1M context, $10/$50, highest benchmarks of any GA model. Refusals return stop_reason refusal; mandatory 30-day retention. | First Gemini 3 model, released in preview; introduced improved agentic capabilities. Superseded by Gemini 3.1 Pro GA. |
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