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OpenAI GPT-5.6 Luna and Terra price cuts
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OpenAI cut API prices for GPT-5.6 Terra and Luna models by 20% and 80% respectively, effective July 30, 2026, reducing enterprise costs while maintaining model consumption rates in ChatGPT Work and Codex. Luna now costs $0.20 per million input tokens and $1.20 per million output tokens, down from prior pricing.
- Luna input tokens dropped to $0.20/million (80% cut); Terra to $2/million (20% cut)
- Output token pricing: Luna $1.20/million, Terra $12/million
- Changes effective July 30, 2026 across API and ChatGPT Work/Codex platforms
- GPT-5.4 Intelligence pricing fell 13x in 4 months via recursive self-optimization
- Aimed to increase AI work capacity for enterprise subscribers without additional cost