How much does the Mistral AI API cost in 2026?
The Mistral AI API is billed per million tokens, like its competitors. Mistral Large 2, the 2026 flagship model, costs about $2 per million input tokens and $6 per million output — competitive against GPT-4o ($2.50/$10) and Claude Sonnet ($3/$15). Lighter models like Mistral Small (Mistral Nemo) cost $0.15/$0.
The Mistral AI API is billed per million tokens, like its competitors. Mistral Large 2, the 2026 flagship model, costs about $2 per million input tokens and $6 per million output — competitive against GPT-4o ($2.50/$10) and Claude Sonnet ($3/$15). Lighter models like Mistral Small (Mistral Nemo) cost $0.15/$0.15 — nearly free for simple use cases. Mistral also ships open-weight versions (Mistral 7B, Mixtral 8x7B) you can self-host for free on your own hardware. That's a key advantage for European sovereignty and GDPR compliance. Mistral is a French company hosting its servers in Europe — making it the default choice for administrations and businesses under sovereignty constraints.