| Note | Current flagship; 256K context, optimized for multi-step agentic workflows, complex RAG with tool use, and structured outputs. $2.50/$10.00 per 1M. | Current closed-weights flagship; Intelligence Index v4.0 score 56.6 (top Chinese model); lowest reported hallucination rate (22.9%). $2.50/$7.50 per 1M tokens. | 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. |
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