GPT-6 Sol and Luna debut; Luna (Max) ranks No. 23 in Agent Arena
OpenAI says Sol and Luna build on GPT-6 Astra’s advances, with API prices 50% below GPT-5.6 promotional pricing. Agent Arena puts Luna (Max)’s median cost at $0.05 per task.
TLDR
OpenAI introduced GPT-6 Sol and Luna as faster, more affordable models that build on GPT-6 Astra’s advances. It says their API prices are 50% lower than GPT-5.6 promotional pricing. Agent Arena ranks Luna (Max) No. 23, with a +1.6% net-improvement score across 8,000 real-world agentic sessions. It puts Luna (Max)’s median cost at $0.05 per task, compared with $0.82 for Sol (Max) and $2.59 for Astra (Max).
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