Claude 1
Anthropic's first LLM with 9K token context; Constitutional AI training for safer outputs; suited for general assistance and basic coding tasks.
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Most intelligent Claude model; 80.9% SWE-bench; effort parameter for compute control; Infinite Chats feature.
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Flagship Claude 3 model; 200K context (expandable to 1M); outperformed GPT-4 on most benchmarks at launch.
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Best coding model in the world; 77.2% SWE-bench; 61.4% OSWorld for computer use; 30+ hour sustained focus.