GPT-5 nano vs Mistral Medium 3.5
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
GPT-5 nano
OpenAI · Aug 2025
OpenAI's cheapest model — $0.05 per million input tokens — for latency-critical routing, autocomplete and bulk tagging.
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-5 nano works out roughly 5.8x cheaper per blended million tokens. GPT-5 nano also takes 400K of context versus 131K for Mistral Medium 3.5.
Specs & pricing
| GPT-5 nano | Mistral Medium 3.5 | |
|---|---|---|
| modhub Index | — | — |
| Input price / 1M | $0.05 | $0.4 |
| Output price / 1M | $0.4 | $2 |
| Context window | 400K | 131K |
| Max output | 128K | — |
| Open weights | no | no |
| Reasoning model | yes | no |
| Multimodal input | text, image | text, image |
| Knowledge cutoff | May 2024 | Dec 2025 |
| Released | Aug 2025 | Mar 2026 |
| Example monthly cost* | $1.10 | $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 nano 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-5 nano works out roughly 5.8x cheaper per blended million tokens. GPT-5 nano also takes 400K of context versus 131K for Mistral Medium 3.5.
- Which is cheaper, GPT-5 nano or Mistral Medium 3.5?
- GPT-5 nano costs $0.05/$0.4 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 $1.10 versus $7.00.
- Which model is better for coding, GPT-5 nano 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
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