OpenAI Upgrades Auto-review to GPT-5.6 Luna, Cutting Costs 10x
OpenAI · x · 2026-07-31
OpenAI is upgrading the Auto-review feature in the ChatGPT app and Codex CLI from GPT-5.4 to GPT-5.6 Luna.
Combined with Luna’s massive 80% price reduction, this update is expected to reduce the cost of running Auto-review by approximately 10x, making agentic workflows significantly more cost-efficient.
Related event: OpenAI launches GPT-5.6 family: Luna price cut 80%, Sol gets Fast mode(67 posts)→
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