OpenAI releases GPT-6 Sol and GPT-6 Luna
The new family pairs a workhorse model with a low-cost volume model, both with published 1.05M context windows, API rates and product-surface rollouts.
By Pınar · Updated 7 October 2026
What this changes for UK buyers
Teams gain a clear price ladder, but inputs above 272K use higher rates and provider benchmarks do not establish accepted-task cost.
What buyers should do
Test Luna first on frozen tasks, escalate failures to Sol and record accepted output, review, tools, retries, context and complete cost.
Primary announcement
OpenAI GPT-6 Sol and Luna launch ↗This is a dated source-linked buyer briefing. A vendor announcement does not prove UK account eligibility, an independent performance result or regulatory compliance. Open the primary source and confirm the exact plan before changing a production workflow.
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