Grok 4 vs Mistral Medium 3.1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 4 by xAI wins on 10 of 14 benchmarks against Mistral Medium 3.1 by Mistral, which leads on 4. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Grok 4 scores 1430 on Chatbot Arena ELO compared to Mistral Medium 3.1's 1250, while Grok 4 scores 87.0% on MMLU-Pro compared to Mistral Medium 3.1's 66.0%.
Coding: In coding, Grok 4 scores 90.0% on HumanEval+ compared to Mistral Medium 3.1's 77.0%, while Grok 4 scores 72.0% on SWE-bench Verified compared to Mistral Medium 3.1's 28.0%, while Grok 4 scores 65.0% on LiveCodeBench compared to Mistral Medium 3.1's 34.0%.
Math: In math, Grok 4 scores 91.0% on MATH compared to Mistral Medium 3.1's 68.0%, while Grok 4 scores 97.0% on GSM8K compared to Mistral Medium 3.1's 86.0%.
Reasoning: In reasoning, Grok 4 scores 87.0% on GPQA Diamond compared to Mistral Medium 3.1's 40.0%, while Grok 4 scores 50.0% on ARC-AGI compared to Mistral Medium 3.1's 18.0%.
Context: In context, Grok 4 scores 256K on Context Length compared to Mistral Medium 3.1's 131K.
Pricing Comparison
Grok 4 costs $3.0/1M input tokens and $15.0/1M output tokens, while Mistral Medium 3.1 costs $0.40/1M input and $2.0/1M output. Mistral Medium 3.1 is the more affordable option for API usage.
Speed Comparison
Grok 4 generates output at 55 tok/s compared to Mistral Medium 3.1's 110 tok/s, and the time to first token is 500 ms for Grok 4 versus 200 ms for Mistral Medium 3.1. Mistral Medium 3.1 delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence and math, Grok 4 has the edge. For those who value affordability and speed, Mistral Medium 3.1 is the stronger choice.
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Grok 4 vs Mistral Medium 3.1 — FAQ
Which is better, Grok 4 or Mistral Medium 3.1?
Grok 4 wins on more benchmarks overall (10 vs 4). However, the best choice depends on your specific needs — each model excels in different areas.
How does Grok 4 compare to Mistral Medium 3.1 for coding?
Grok 4 is better for coding, scoring 72.0% on SWE-bench Verified compared to 28.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Grok 4 cheaper than Mistral Medium 3.1?
Yes, Mistral Medium 3.1 is cheaper. Grok 4 costs $3.0/1M input and $15.0/1M output tokens. Mistral Medium 3.1 costs $0.40/1M input and $2.0/1M output tokens.
Which is faster, Grok 4 or Mistral Medium 3.1?
Mistral Medium 3.1 is faster, generating output at 110 tok/s compared to 55 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Grok 4 vs Mistral Medium 3.1 comparison cover?
This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, SWE-bench Verified, GPQA Diamond, Output Speed, Time to First Token, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.