Arena shows side-by-side outputs from Claude Opus 5.5 and GPT-6 Sol
Arena.ai says it has generated side-by-side outputs from Anthropic’s Claude Opus 5.5 and OpenAI’s GPT-6 Sol, and that scores for Claude Opus 5.5 are coming soon.
Arena.ai says it has generated side-by-side outputs from Anthropic’s Claude Opus 5.5 and OpenAI’s GPT-6 Sol, and that scores for Claude Opus 5.5 are coming soon.
Arena.ai reports that OpenAI’s GPT-6 Sol (Max) scored 1,689 points and placed fourth in Code Arena: WebDev, at a blended price of $8 per million tokens. It is 72 points above GPT-5.6 Sol (xHigh), while Arena.ai says GPT-6 Luna’s score is still pending.
OpenCode now offers GPT 6 Sol, Luna and Opus 5.5. No pricing, limits, or eligibility conditions are stated.
Pi says the three models are available on Radius at radius.earendil.com.
GPT-6 Sol can be used in Perplexity and Computer, where it is the default Light option in the effort selector.
GPT-6 Sol and GPT-6 Luna build on advances behind GPT-6 Astra as faster, more affordable models for work at scale. OpenAI says more efficient caching and inference are reflected in API prices 50% lower than GPT-5.6 promotional pricing.
Lovable says GPT-6 Sol scores 6 to 12% higher than GPT-5.6 Sol at every effort level on its 0-to-1 building benchmark, with larger gains in intent alignment and design fundamentals.