Arena.ai ranks GPT-6 Sol (Max) sixth in Agent Arena at 7.7% net improvement

Arena.ai has added GPT-6 Sol (Max) to Agent Arena. Across 4,000+ real-world agentic sessions from its global user community, the model recorded a +7.7% net improvement and ranked sixth.

Against GPT-5.6 Sol (xHigh), Arena.ai reports a 1.5-point lift in net improvement, from +6.2% to +7.7%, and a move from eighth to sixth, at half the per-token price. On Confirmed Success, it places GPT-6 Sol fourth at +11.4%, compared with 2.9% and 20th for GPT-5.6.

OpenAI says GPT-6 Sol and GPT-6 Luna build on advances behind GPT-6 Astra, and that API prices for Sol and Luna are 50% lower than GPT-5.6 promotional pricing after more efficient caching and inference.