OpenAI cuts GPT-5.6 Luna API prices 80% and adds faster Sol tier
Luna falls to $0.20 input and $1.20 output per million tokens; Sol Fast mode promises up to 2.5x speed at twice the standard rate.
By Ryan Merket · Published
Primary source: OpenAI on X
Why it matters
Luna's 80% price cut can materially lower the cost of coding agents, review systems and high-volume automation. OpenAI is using inference pricing and latency tiers to drive API adoption without cutting Sol's standard rate.
OpenAI (@OpenAI) cut API prices for GPT-5.6 Luna by 80% and GPT-5.6 Terra by 20% on July 30th, while introducing a faster processing option for its flagship GPT-5.6 Sol model. The reductions lower Luna to $0.20 per million input tokens and $1.20 per million output tokens, while Terra now costs $2 for input and $12 for output.…
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