Gemini 3 Pro vs o4 Mini
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
o4 Mini by OpenAI wins on 7 of 14 benchmarks against Gemini 3 Pro by Google, which leads on 6. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Gemini 3 Pro scores 1492 on Chatbot Arena ELO compared to o4 Mini's 1350, while Gemini 3 Pro scores 89.8% on MMLU-Pro compared to o4 Mini's 80.0%.
Coding: In coding, Gemini 3 Pro scores 91.0% on HumanEval+ compared to o4 Mini's 88.0%, while o4 Mini scores 68.1% on SWE-bench Verified compared to Gemini 3 Pro's 65.0%, while Gemini 3 Pro scores 72.0% on LiveCodeBench compared to o4 Mini's 58.0%.
Math: In math, o4 Mini scores 93.0% on MATH compared to Gemini 3 Pro's 92.0%, while both score 97.5% on GSM8K.
Reasoning: In reasoning, Gemini 3 Pro scores 91.9% on GPQA Diamond compared to o4 Mini's 81.4%, while o4 Mini scores 55.0% on ARC-AGI compared to Gemini 3 Pro's 54.0%.
Context: In context, Gemini 3 Pro scores 1.0M on Context Length compared to o4 Mini's 200K.
Pricing Comparison
Gemini 3 Pro costs $2.0/1M input tokens and $12.0/1M output tokens, while o4 Mini costs $1.1/1M input and $4.4/1M output. o4 Mini is the more affordable option for API usage.
Speed Comparison
Gemini 3 Pro generates output at 60 tok/s compared to o4 Mini's 120 tok/s, and the time to first token is 450 ms for Gemini 3 Pro versus 300 ms for o4 Mini. o4 Mini delivers faster throughput.
Verdict
For developers prioritizing general intelligence, Gemini 3 Pro has the edge. For those who value coding and math and affordability and speed, o4 Mini is the stronger choice.
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Gemini 3 Pro vs o4 Mini — FAQ
Which is better, Gemini 3 Pro or o4 Mini?
o4 Mini wins on more benchmarks overall (7 vs 6). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 3 Pro compare to o4 Mini for coding?
o4 Mini is better for coding, scoring 68.1% on SWE-bench Verified compared to 65.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Gemini 3 Pro cheaper than o4 Mini?
Yes, o4 Mini is cheaper. Gemini 3 Pro costs $2.0/1M input and $12.0/1M output tokens. o4 Mini costs $1.1/1M input and $4.4/1M output tokens.
Which is faster, Gemini 3 Pro or o4 Mini?
o4 Mini is faster, generating output at 120 tok/s compared to 60 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Gemini 3 Pro vs o4 Mini comparison cover?
This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.