OpenAI launches GPT-6 Sol and Luna with 50% lower API prices than GPT-5.6
aziz4ai · x · 2026-09-23
OpenAI adds GPT-6 Sol and Luna to the GPT-6 lineup, bringing much of GPT-6 Astra's strengths into faster, more affordable models for work at scale. Improved caching and inference efficiency are being passed to users: API prices for Sol and Luna are 50% lower than GPT-5.6 promotional pricing.
Related event: OpenAI Launches GPT-6 Sol and Luna with Halved API Prices(65 posts)→
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