GPT-5 mini vs Mistral Medium 3.5

Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.

GPT-5 mini

OpenAI · Aug 2025

A fast, cheap distillation of GPT-5 for high-volume workloads — one fifth of the flagship's price with most of its everyday capability.

Mistral Medium 3.5

Mistral AI · Mar 2026

Europe's strongest model line: frontier-adjacent quality at $0.40/$2 with EU data residency and on-prem options.

The verdict

These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. GPT-5 mini is about 1.2x cheaper per blended million tokens (3:1 input:output mix). GPT-5 mini also takes 400K of context versus 131K for Mistral Medium 3.5.

Specs & pricing

GPT-5 miniMistral Medium 3.5
modhub Index
Input price / 1M$0.25$0.4
Output price / 1M$2$2
Context window400K131K
Max output128K
Open weightsnono
Reasoning modelyesno
Multimodal inputtext, imagetext, image
Knowledge cutoffMay 2024Dec 2025
ReleasedAug 2025Mar 2026
Example monthly cost*$5.50$7.00

* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.

Frequently asked questions

Which is better, GPT-5 mini or Mistral Medium 3.5?
These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. GPT-5 mini is about 1.2x cheaper per blended million tokens (3:1 input:output mix). GPT-5 mini also takes 400K of context versus 131K for Mistral Medium 3.5.
Which is cheaper, GPT-5 mini or Mistral Medium 3.5?
GPT-5 mini costs $0.25/$2 per million input/output tokens, while Mistral Medium 3.5 costs $0.4/$2. For a typical workload of 10M input and 1.5M output tokens per month, that's $5.50 versus $7.00.
Which model is better for coding, GPT-5 mini or Mistral Medium 3.5?
We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.

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