Comparison
Open Weights vs the Frontier: The Gap Is 3 Points and $8 a Million
Kimi K3 scores 60 on the Artificial Analysis Intelligence Index. Claude Opus 5 scores 63. That's the whole gap now — and the open model costs a third as much.
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Kimi K3 scores 60 on the Artificial Analysis Intelligence Index. Claude Opus 5 scores 63. That's the whole gap now — and the open model costs a third as much.
OpenAI is ditching the 'one big brain' approach for a tiered model family that looks more like a product lineup than a research project.