GPT-3.5 Turbo vs Mistral Medium 3.5

GPT-3.5 Turbo costs 67% less on input and 80% less on output than Mistral Medium 3.5 ($0.500 / $1.50 versus $1.50 / $7.50 per million tokens). Mistral Medium 3.5 accepts more context (262 K). On capabilities, Mistral Medium 3.5 accepts images. GPT-3.5 Turbo and Mistral Medium 3.5 offer a batch tier at half price for jobs that do not need an immediate answer.

GPT-3.5 Turbo is cheaper: $0.500 per million input tokens and $1.50 per million output tokens, versus $1.50 / $7.50 for Mistral Medium 3.5.

Mistral Medium 3.5 accepts 262 K tokens of context; GPT-3.5 Turbo accepts 16 K.

Mistral Medium 3.5 was released on 05/01/2026; GPT-3.5 Turbo on 03/01/2023.

With 1,500 input and 400 output tokens per request: GPT-3.5 Turbo: $13.50; Mistral Medium 3.5: $52.50 a month, at list price.

From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.

It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.