OpenAI Slashes GPT-5.6 Luna Price by 80% and Speeds Up Sol 2.5x
pvncher · x · 2026-07-31
OpenAI announced major updates across the GPT-5.6 family, focusing on cost efficiency, capability, and speed:
- Price Reductions: GPT-5.6 Luna is now 80% cheaper, and GPT-5.6 Terra is 20% cheaper.
- Speed Boost: GPT-5.6 Sol runs 2.5× faster with the new Fast mode.
- Usage Benefits: The lower prices for Luna and Terra are reflected in usage counting for Codex and ChatGPT Work, extending user limits.
- App Updates: Auto-review in the app is now powered by Luna, costing 10× less.
Related event: OpenAI launches GPT-5.6 family: Luna price cut 80%, Sol gets Fast mode(67 posts)→
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