Frontier Flux Morning brief · 2026-09-24

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OpenAI ships GPT-6 Sol and Luna, 50% below GPT-5.6 promo rates
On 22 September 2026 OpenAI launched GPT-6 Sol and GPT-6 Luna, cheaper siblings of GPT-6 Astra. Vendor pitch: 50% lower API prices versus GPT-5.6 promotional rates. API ids gpt-6-sol and gpt-6-luna. API is live; ChatGPT Work and Codex are rolling out. Not yet in Chat. · Primary: Primary post · Full story

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