Gemini 2.5 Pro vs o4 Mini
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
o4 Mini by OpenAI wins on 9 of 15 benchmarks against Gemini 2.5 Pro by Google, which leads on 5. 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 2.5 Pro scores 1465 on Chatbot Arena ELO compared to o4 Mini's 1350, while Gemini 2.5 Pro scores 84.0% on MMLU-Pro compared to o4 Mini's 80.0%.
Coding: In coding, Gemini 2.5 Pro scores 89.0% on HumanEval+ compared to o4 Mini's 88.0%, while o4 Mini scores 68.1% on SWE-bench Verified compared to Gemini 2.5 Pro's 63.8%, while both score 58.0% on LiveCodeBench.
Math: In math, o4 Mini scores 93.0% on MATH compared to Gemini 2.5 Pro's 88.0%, while o4 Mini scores 97.5% on GSM8K compared to Gemini 2.5 Pro's 95.5%.
Reasoning: In reasoning, Gemini 2.5 Pro scores 84.0% on GPQA Diamond compared to o4 Mini's 81.4%, while o4 Mini scores 55.0% on ARC-AGI compared to Gemini 2.5 Pro's 48.0%.
Context: In context, Gemini 2.5 Pro scores 1.0M on Context Length compared to o4 Mini's 200K.
Multimodal: In multimodal, o4 Mini scores 84.3% on MathVista compared to Gemini 2.5 Pro's 80.4%.
Pricing Comparison
Gemini 2.5 Pro costs $1.3/1M input tokens and $10.0/1M 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 2.5 Pro generates output at 55 tok/s compared to o4 Mini's 120 tok/s, and the time to first token is 500 ms for Gemini 2.5 Pro versus 300 ms for o4 Mini. o4 Mini delivers faster throughput.
Verdict
For developers prioritizing general intelligence, Gemini 2.5 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 2.5 Pro vs o4 Mini — FAQ
Which is better, Gemini 2.5 Pro or o4 Mini?
o4 Mini wins on more benchmarks overall (9 vs 5). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 2.5 Pro compare to o4 Mini for coding?
o4 Mini is better for coding, scoring 68.1% on SWE-bench Verified compared to 63.8%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Gemini 2.5 Pro cheaper than o4 Mini?
Yes, o4 Mini is cheaper. Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output tokens. o4 Mini costs $1.1/1M input and $4.4/1M output tokens.
Which is faster, Gemini 2.5 Pro or o4 Mini?
o4 Mini is faster, generating output at 120 tok/s compared to 55 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Gemini 2.5 Pro vs o4 Mini comparison cover?
This comparison covers 15 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.