# Arena.ai says scores for GPT-6 Sol and GPT-6 Luna are coming soon

OpenAI’s two models can be tested on Arena, where votes on real-world agentic tasks feed the leaderboard. Arena.ai says petergostev has also compared GPT-6 Sol with GPT-5.6 Sol using the same prompts at max reasoning.

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Source: Arena.ai · Published 9/22/2026, 12:44:13

Arena.ai says scores for OpenAI’s GPT-6 Sol and GPT-6 Luna are coming soon. Both models can be tested on Arena now, and votes on real-world agentic tasks contribute to the leaderboard.

Arena.ai says petergostev compared GPT-6 Sol with GPT-5.6 Sol under matched conditions: the same prompts, with both models using max reasoning. The comparison covers the generations, total token usage, and wall-clock time. Arena.ai says the results and prompts are on [YouTube](https://youtu.be/jVFz7cTeQxk?si=t4lzh_9eFYbZw78e).

Tags: GPT-6, GPT-5.6, OpenAI, Arena.ai, Model evaluation

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