OpenAI Slashes GPT-5.6 Prices by Up to 80%, Devs Say It Beats Competitors

BenBajarin · x · 2026-07-31

OpenAI announced price reductions for its GPT-5.6 series, cutting Luna by 80% and Terra by 20%, while offering a faster Sol option in the API. The lower costs are reflected in usage limits for Codex and ChatGPT Work.

A developer testing the update called the pricing "insane," claiming no open-source or Chinese model competes at this level, and has already migrated multiple workflows and agents to it.

Related event: OpenAI Launches GPT-5.6: Luna Price Slashed by 80%, Sol Achieves Self-Optimization(48 posts)→

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