Gemini 3 Flash vs Grok 4
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 3 Flash by Google wins on 8 of 14 benchmarks against Grok 4 by xAI, which leads on 6. 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, Gemini 3 Flash scores 1473 on Chatbot Arena ELO compared to Grok 4's 1430, while Gemini 3 Flash scores 88.6% on MMLU-Pro compared to Grok 4's 87.0%.
Coding: In coding, Grok 4 scores 90.0% on HumanEval+ compared to Gemini 3 Flash's 86.0%, while Gemini 3 Flash scores 78.0% on SWE-bench Verified compared to Grok 4's 72.0%, while Grok 4 scores 65.0% on LiveCodeBench compared to Gemini 3 Flash's 55.0%.
Math: In math, Grok 4 scores 91.0% on MATH compared to Gemini 3 Flash's 85.0%, while Grok 4 scores 97.0% on GSM8K compared to Gemini 3 Flash's 95.0%.
Reasoning: In reasoning, Grok 4 scores 87.0% on GPQA Diamond compared to Gemini 3 Flash's 72.0%, while Grok 4 scores 50.0% on ARC-AGI compared to Gemini 3 Flash's 30.0%.
Context: In context, Gemini 3 Flash scores 1.0M on Context Length compared to Grok 4's 256K.
Pricing Comparison
Gemini 3 Flash costs $0.50/1M input tokens and $3.0/1M output tokens, while Grok 4 costs $3.0/1M input and $15.0/1M output. Gemini 3 Flash is the more affordable option for API usage.
Speed Comparison
Gemini 3 Flash generates output at 200 tok/s compared to Grok 4's 55 tok/s, and the time to first token is 100 ms for Gemini 3 Flash versus 500 ms for Grok 4. Gemini 3 Flash delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence and affordability and speed, Gemini 3 Flash has the edge. For those who value math, Grok 4 is the stronger choice.
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Gemini 3 Flash vs Grok 4 — FAQ
Which is better, Gemini 3 Flash or Grok 4?
Gemini 3 Flash wins on more benchmarks overall (8 vs 6). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 3 Flash compare to Grok 4 for coding?
Gemini 3 Flash is better for coding, scoring 78.0% on SWE-bench Verified compared to 72.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Gemini 3 Flash cheaper than Grok 4?
Yes, Gemini 3 Flash is cheaper. Gemini 3 Flash costs $0.50/1M input and $3.0/1M output tokens. Grok 4 costs $3.0/1M input and $15.0/1M output tokens.
Which is faster, Gemini 3 Flash or Grok 4?
Gemini 3 Flash is faster, generating output at 200 tok/s compared to 55 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Gemini 3 Flash 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.