OpenAI cuts developer pricing for frontier GPT-5.6 Sol model by more than 20%

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OpenAI late last month slashed prices of its smaller models [File] | Photo Credit: REUTERS

OpenAI said on Friday it is cutting the prices ​of its frontier GPT-5.6 Sol model ‌for developers by more than 20% ​for the next three ⁠months, as the ChatGPT maker faces growing competition from Anthropic and Chinese AI ‌models.

The price cuts are effective ‌on OpenAI’s application programming interface, or ‌API, ⁠and are rolling out ⁠across eligible plans for credits on its agentic AI product ChatGPT Work and its coding tool ​Codex, OpenAI ‌said.

Pricing for Pro, Plus and Business subscriptions remains unchanged, the company said.

GPT-5.6 Sol is now ‌priced at $4 per 1 million ​input tokens and $20 per 1 million output tokens for standard ⁠short-context use, according to OpenAI’s pricing table. That compares with previous prices of $5 ‌and $30, respectively.

OpenAI late last month slashed prices of its smaller models. It cut prices for the mid-tier GPT-5.6 Terra model by 20% and for the lower-cost Luna ‌model by 80%.

Anthropic lists its ​frontier Claude Fable 5 model at $10 per 1 million input tokens ⁠and $50 per 1 million output tokens, while ⁠its Claude Opus 5 model is listed at $5 per ‌1 million input tokens and $25 per 1 million output tokens.

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