Compare AI models

Specifications
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
40k400k
API pricingUSD per 1M tokens · lower wins
Input priceWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
—$15.00
Output priceWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
—$120.00
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page.
—$15.00OpenAI
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
—$120.00OpenAI
—$9,000OpenAI list price
Overview
CompanyMistralOpenAI
Release dateJun 10 2025Aug 7 2025
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Magistral Medium and GPT-5 Pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only GPT-5 Pro has a verified first-party API price: $15.00 per million input tokens and $120.00 per million output tokens. No pay-as-you-go API rate is tracked for Magistral Medium. Magistral Medium shipped 58 days before GPT-5 Pro, so benchmark comparisons should account for the intervening progress.

Context windows are 40k (Magistral Medium) vs 400k (GPT-5 Pro).

Direct benchmark comparisons are unavailable — Magistral Medium and GPT-5 Pro don't publish scores on any of the same benchmarks.