Grok 3 mini vs Mistral Small 4
xAI vs Mistral · Prices checked November 11, 2026
The two are closer than they look: Mistral Small 4 at $0.2850 per million tokens blended, Grok 3 mini at $0.3600, a 21 per cent difference. A single 100K-input, 10K-output job costs $0.0210 on Mistral Small 4 against $0.0350 on Grok 3 mini.
Pricing and capacity
RatesUSD per million tokens. Prices checked November 11, 2026.
| Metric | Grok 3 mini | Mistral Small 4 | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.3000 | $0.1500 | 2.0× |
| Output / 1M tokens | $0.5000 | $0.6000 | 17% |
| Blended · 70/30calculated | $0.3600 | $0.2850 | 21% |
| Blended · 50/50calculated | $0.4000 | $0.3750 | 6% |
| Blended · 80/20calculated | $0.3400 | $0.2400 | 29% |
| Blended · 20/80calculated | $0.4600 | $0.5100 | 10% |
| Job cost · 100K + 10Kcalculated | $0.0350 | $0.0210 | 40% |
| Job cost · 1M + 100Kcalculated | $0.3500 | $0.2100 | 40% |
| Context window | 131,000 | 128,000 | 2% |
Input and output rates are as published by each provider. Blended and job-cost rows are calculated comparison metrics, not published prices — how they are derived.
Which is cheaper depends on the shape of your workload: Mistral Small 4 for input-heavy retrieval, Grok 3 mini once output dominates. On context, Grok 3 mini is the larger at 131,000 tokens versus 128,000.
Benchmarks
These two models do not currently report scores on any of the same benchmark suites, so there is no like-for-like capability comparison to show. Rather than pad the page with one-sided numbers, the benchmark leaderboards list every score we do hold.
What each model is for
Grok 3 mini
xAI · Efficient
Cheap Grok 3 sibling. Same X firehose access, smaller model behind it, good for cost-sensitive social-media tooling.
- Cheap
- Real-time X data
- Lower latency than full Grok 3
Mistral Small 4
Mistral · Efficient
Frequently asked questions
Which is cheaper, Grok 3 mini or Mistral Small 4?
The two are closer than they look: Mistral Small 4 at $0.2850 per million tokens blended, Grok 3 mini at $0.3600, a 21 per cent difference. A single 100K-input, 10K-output job costs $0.0210 on Mistral Small 4 against $0.0350 on Grok 3 mini. Blended cost weights input at 70% and output at 30%; price your own token split for an exact answer, since the cheaper model on a blended basis is not always cheaper for your workload.
Which has the larger context window, Grok 3 mini or Mistral Small 4?
On context, Grok 3 mini is the larger at 131,000 tokens versus 128,000. The context window caps everything in a single request: prompt, retrieved documents, conversation history and the model’s own output all share it.
Can I compare Grok 3 mini and Mistral Small 4 on my own numbers?
Yes. Open both in the side-by-side comparison tool to see every field at once, or use the token calculator to price your actual prompt and monthly request volume against each model. Both are free and need no sign-up.
Price it for your own workload
Related matchups
Terms used on this page
Prices and scores are recomputed on every deploy from the catalogue. Prices checked November 11, 2026.