GPT-6 Sol and Luna hit Arena, plus a matched head-to-head vs GPT-5.6 Sol
arena · x · 2026-09-23
LMArena announces that scores for OpenAI's GPT-6 Sol and GPT-6 Luna are coming soon, inviting users to test them on real-world agentic tasks. Meanwhile Peter Gostev ran GPT-6 Sol head-to-head against GPT-5.6 Sol under matched conditions — same prompts, max reasoning on both — comparing output quality, total token usage, and wall-clock latency; results and prompts are on Arena's YouTube.
Related event: LMArena Opens GPT-6 Sol and Luna for Public Testing(2 posts)→
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