BREAKING: @OpenAI just dropped GPT-6 Sol. It’s my new daily driver in Codex: not quite Astra, but close enough for much of my everyday work, faster, and 50% cheaper than 5.6 Sol. We tested it across the work we actually do at @every and ran it head to head versus Opus 5.5. Here’s my vibe check: • Writing: On a paragraph-writing task drawn from my real work, Sol scored close to Astra, which is still my top model for writing. It writes clean, minimal prose and puts the important idea first.…

OpenAI@OpenAI3h ago

Please welcome GPT-6 Sol and GPT-6 Luna to the GPT-6 universe. GPT-6 Sol and Luna build on the advances behind GPT-6 Astra, bringing much of its strengths into faster and more affordable models to support work at scale. We’ve also made caching and inference more efficient, and we’re passing the savings directly to you: 50% lower API prices for Sol and Luna compared with GPT‑5.6 promotional pricing.