OpenAI cuts GPT-5.6 Sol API prices by more than 20% for three months

OpenAI is cutting developer prices on frontier model GPT-5.6 Sol by more than 20% for the next three months. The promo also applies to eligible ChatGPT Work credits and Codex; Pro, Plus, and Business subscriptions are unchanged.

Editorial illustration of API pricing for the GPT-5.6 Sol cut

On August 21, 2026, Reuters reported that OpenAI is cutting prices of its frontier GPT-5.6 Sol model for developers by more than 20% for the next three months. The company framed the move as a response to growing competition from Anthropic and Chinese models.

What we know

API rates are now $4 per million input tokens and $20 per million output tokens, down from $5 and $30.
The cut is rolling out on the API and across eligible ChatGPT Work and Codex credit plans.
ChatGPT Pro, Plus, and Business subscription prices are unchanged.
OpenAI’s pricing page says the promotional rate is available at least through November 21, 2026.

Takeaways

The cut is a three-month developer promo, not a new consumer-plan price.
Output tokens fall by a third, input by 20%.
November 21, 2026, is the published floor for the promo, not a promise it lasts forever.

Source: Reuters

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OpenAI cuts GPT-5.6 Sol API prices by more than 20% for three months

What we know

API rates are now $4 per million input tokens and $20 per million output tokens, down from $5 and $30.
The cut is rolling out on the API and across eligible ChatGPT Work and Codex credit plans.
ChatGPT Pro, Plus, and Business subscription prices are unchanged.
OpenAI’s pricing page says the promotional rate is available at least through November 21, 2026.

Takeaways

The cut is a three-month developer promo, not a new consumer-plan price.
Output tokens fall by a third, input by 20%.
November 21, 2026, is the published floor for the promo, not a promise it lasts forever.

Source: Reuters