Grok Code Fast 1 vs Mistral Medium 3.5
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
Grok Code Fast 1
xAI · Aug 2025
A speed-first coding model built for agentic IDE loops, popular as a cheap fast tier in Cursor and similar tools.
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. Grok Code Fast 1 is about 1.5x cheaper per blended million tokens (3:1 input:output mix). Grok Code Fast 1 also takes 256K of context versus 131K for Mistral Medium 3.5.
Specs & pricing
| Grok Code Fast 1 | Mistral Medium 3.5 | |
|---|---|---|
| modhub Index | — | — |
| Input price / 1M | $0.2 | $0.4 |
| Output price / 1M | $1.5 | $2 |
| Context window | 256K | 131K |
| Max output | — | — |
| Open weights | no | no |
| Reasoning model | yes | no |
| Multimodal input | text | text, image |
| Knowledge cutoff | Aug 2025 | Dec 2025 |
| Released | Aug 2025 | Mar 2026 |
| Example monthly cost* | $4.25 | $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, Grok Code Fast 1 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. Grok Code Fast 1 is about 1.5x cheaper per blended million tokens (3:1 input:output mix). Grok Code Fast 1 also takes 256K of context versus 131K for Mistral Medium 3.5.
- Which is cheaper, Grok Code Fast 1 or Mistral Medium 3.5?
- Grok Code Fast 1 costs $0.2/$1.5 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 $4.25 versus $7.00.
- Which model is better for coding, Grok Code Fast 1 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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