The API model name is gpt-6.1-sol, at $2 per million input tokens, $0.10 per million cached input tokens and $10 per million output tokens. Quote (French copy): "Les développeurs peuvent également y accéder via l’API OpenAI sous le nom gpt-6.1-sol . Ses tarifs API standard sont de 2 $ par million de tokens d’entrée, 0,10 $ par million de tokens d’entrée en cache et 10 $ par million de tokens de sortie."

The exact words it rests on

Developers can also access it through the OpenAI API as gpt-6.1-sol. Its standard API prices are $2 per million input tokens, $0.10 per million cached input tokens, and $10 per million output tokens.

What the source said when we opened it, on 30 Sep 2026.

The source

Introducing GPT-6.1 Sol
OpenAI · 2026-09-29

Open the sourcearchived copy

Checked

Checked by the notis newsroom on 30 Sep 2026, against the source above.

The number in it

• $2 · GPT-6.1 Sol, price per million input tokens
• $10 · GPT-6.1 Sol, price per million output tokens

In the story

OpenAI releases GPT-6.1 Sol, an upgrade to GPT-6 Sol 30 Sep 2026