OpenAI Slashes API Prices: GPT-5.6 Luna Down by 80%
almmaasoglu · x · 2026-07-31
OpenAI announced significant price cuts for its API, reducing GPT-5.6 Luna by 80% and GPT-5.6 Terra by 20%, while offering a faster option for GPT-5.6 Sol. These reductions are also reflected in usage counting for Codex and ChatGPT Work.
Third-party AI writing platform feldarai quickly followed suit, passing the provider pricing straight through to users and upgrading Starter plan users to the Luna model at no extra cost.
Related event: OpenAI launches GPT-5.6 family: Luna price cut 80%, Sol gets Fast mode(67 posts)→
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