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

Aug 21 (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.

Here ‌are more details:

• 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.

(Reporting by Anzar Mehraj in Bengaluru; Editing by Leroy ‌Leo)

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