DeepSeek V3.1 vs Grok 4
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 4 by xAI wins on 10 of 14 benchmarks against DeepSeek V3.1 by DeepSeek, 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 DeepSeek V3.1's 1340, while Grok 4 scores 87.0% on MMLU-Pro compared to DeepSeek V3.1's 78.0%.
Coding: In coding, Grok 4 scores 90.0% on HumanEval+ compared to DeepSeek V3.1's 84.0%, while Grok 4 scores 72.0% on SWE-bench Verified compared to DeepSeek V3.1's 46.0%, while Grok 4 scores 65.0% on LiveCodeBench compared to DeepSeek V3.1's 48.0%.
Math: In math, Grok 4 scores 91.0% on MATH compared to DeepSeek V3.1's 82.0%, while Grok 4 scores 97.0% on GSM8K compared to DeepSeek V3.1's 92.0%.
Reasoning: In reasoning, Grok 4 scores 87.0% on GPQA Diamond compared to DeepSeek V3.1's 55.0%, while Grok 4 scores 50.0% on ARC-AGI compared to DeepSeek V3.1's 35.0%.
Context: In context, Grok 4 scores 256K on Context Length compared to DeepSeek V3.1's 131K.
Pricing Comparison
DeepSeek V3.1 costs $0.14/1M input tokens and $0.28/1M output tokens, while Grok 4 costs $3.0/1M input and $15.0/1M output. DeepSeek V3.1 is the more affordable option for API usage.
Speed Comparison
DeepSeek V3.1 generates output at 65 tok/s compared to Grok 4's 55 tok/s, and the time to first token is 450 ms for DeepSeek V3.1 versus 500 ms for Grok 4. DeepSeek V3.1 delivers faster throughput.
Verdict
For developers prioritizing affordability and speed, DeepSeek V3.1 has the edge. For those who value coding and general intelligence and math, Grok 4 is the stronger choice.
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DeepSeek V3.1 vs Grok 4 — FAQ
Which is better, DeepSeek V3.1 or Grok 4?
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 DeepSeek V3.1 compare to Grok 4 for coding?
Grok 4 is better for coding, scoring 72.0% on SWE-bench Verified compared to 46.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is DeepSeek V3.1 cheaper than Grok 4?
Yes, DeepSeek V3.1 is cheaper. DeepSeek V3.1 costs $0.14/1M input and $0.28/1M output tokens. Grok 4 costs $3.0/1M input and $15.0/1M output tokens.
Which is faster, DeepSeek V3.1 or Grok 4?
DeepSeek V3.1 is faster, generating output at 65 tok/s compared to 55 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the DeepSeek V3.1 vs Grok 4 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.