OpenAILlm Pricing
GPT-6 Sol and GPT-6 Luna: OpenAI's Lower-Cost GPT-6 Tiers
OpenAI's GPT-6 Sol and Luna (September 22, 2026) halved GPT-5.6 prices. Luna costs $0.10/$0.50 per million tokens. Pricing, caching and fit.
October 11, 2026
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OpenAI's GPT-6 Sol and Luna (September 22, 2026) halved GPT-5.6 prices. Luna costs $0.10/$0.50 per million tokens. Pricing, caching and fit.
GPT-6.1 Sol (September 29, 2026) costs $2/$10 per million tokens with $0.10 cached input. The pricing rules, caching, Ultrafast mode and migration notes.
GPT-6 Astra (September 3, 2026) is OpenAI's top GPT-6 model and its first rated Critical for cyber capability. Deployment, pricing and where it fits.
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