OpenAI Reduces GPT-5.6 Pricing for Luna and Terra Models
OpenAI has cut the prices of its GPT-5.6 Luna and Terra models by 80% and 20%, respectively, effective July 30, 2026. These reductions enhance the cost-effectiveness of deploying AI solutions across various enterprise applications.

Effective July 30, 2026, OpenAI's GPT-5.6 Luna will be priced at $0.20 per million input tokens and $1.20 per million output tokens, marking an 80% reduction. The GPT-5.6 Terra model will see a 20% price drop, now costing $2 per million input tokens and $12 per million output tokens.
GPT-5.6 Sol pricing remains unchanged. The introduction of a Fast mode will enhance performance by up to 2.5 times at double the price. Enterprises utilizing Luna report significant cost reductions and efficiency gains, evidenced by Notion's and Blitzy's efficiency improvements.
The pricing strategy aims to facilitate broader AI deployment while optimizing resource usage, enabling a more strategic allocation of AI workloads based on cost. This could foster enhanced automation in high-volume tasks.




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