GPT-4o mini vs Mistral Medium 3.5
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
GPT-4o mini
OpenAI · Jul 2024
The 2024 budget classic that defined the cheap-LLM tier; GPT-5 nano and mini have since taken its crown.
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. On price the gap is dramatic: GPT-4o mini works out roughly 3.0x cheaper per blended million tokens. Mistral Medium 3.5 also takes 131K of context versus 128K for GPT-4o mini.
Specs & pricing
| GPT-4o mini | Mistral Medium 3.5 | |
|---|---|---|
| modhub Index | — | — |
| Input price / 1M | $0.15 | $0.4 |
| Output price / 1M | $0.6 | $2 |
| Context window | 128K | 131K |
| Max output | 16K | — |
| Open weights | no | no |
| Reasoning model | no | no |
| Multimodal input | text, image | text, image |
| Knowledge cutoff | Oct 2023 | Dec 2025 |
| Released | Jul 2024 | Mar 2026 |
| Example monthly cost* | $2.40 | $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-4o 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. On price the gap is dramatic: GPT-4o mini works out roughly 3.0x cheaper per blended million tokens. Mistral Medium 3.5 also takes 131K of context versus 128K for GPT-4o mini.
- Which is cheaper, GPT-4o mini or Mistral Medium 3.5?
- GPT-4o mini costs $0.15/$0.6 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 $2.40 versus $7.00.
- Which model is better for coding, GPT-4o 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.
More comparisons
GPT-4o mini vs GPT-5.5Mistral Medium 3.5 vs GPT-5.5GPT-4o mini vs GPT-5.2Mistral Medium 3.5 vs GPT-5.2GPT-4o mini vs GPT-5.1Mistral Medium 3.5 vs GPT-5.1GPT-4o mini vs GPT-5Mistral Medium 3.5 vs GPT-5GPT-4o mini vs GPT-5 miniMistral Medium 3.5 vs GPT-5 miniGPT-4o mini vs OpenAI o3Mistral Medium 3.5 vs OpenAI o3