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153 head-to-head comparisons across 18 models. Pick two, or jump to a popular matchup.

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GPT-6 Astra · OpenAI

GPT-5.6 Sol · OpenAI

GPT-5.6 Terra · OpenAI

GPT-5.6 Luna · OpenAI

Claude Fable 5.1 · Anthropic

Claude Opus 5 · Anthropic

Claude Sonnet 5 · Anthropic

Claude Haiku 4.5 · Anthropic

Gemini 3.8 Flash · Google

Gemini 3.5 Flash · Google

Gemini 3.5 Flash-Lite · Google

Gemini 3.1 Pro · Google

Gemini 2.5 Pro · Google

Gemini 2.5 Flash · Google

Grok 4.6 · xAI

Grok 4.3 · xAI

DeepSeek V4.1 Flash · DeepSeek

DeepSeek V4 Pro · DeepSeek