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Anthropic's Cost Crisis: GPT-5.1 Dominates SWE

Dan McAteer
Dan McAteer

Is Anthropic cooked? GPT-5.1-Codex tops Sonnet 4.5 on SWE-Bench at ~26x cheaper. Gemini 3 incoming. Don't know how good it will be at code. Likely amazing. Opus 4.5 *needs* to hit hard at a great price. Anthropic has trouble with cost efficiency. (No joy in saying this)

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