Gemini 2.5 Pro vs o1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 2.5 Pro by Google wins on 12 of 17 benchmarks against o1 by OpenAI, which leads on 4. 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 2.5 Pro scores 1465 on Chatbot Arena ELO compared to o1's 1360, while Gemini 2.5 Pro scores 84.0% on MMLU-Pro compared to o1's 82.0%, while o1 scores 92.0% on IFEval compared to Gemini 2.5 Pro's 88.0%.
Coding: In coding, both score 89.0% on HumanEval+, while Gemini 2.5 Pro scores 63.8% on SWE-bench Verified compared to o1's 48.9%, while Gemini 2.5 Pro scores 58.0% on LiveCodeBench compared to o1's 55.0%, while o1 scores 39.7 on AA Coding Index compared to Gemini 2.5 Pro's 33.3.
Math: In math, o1 scores 94.8% on MATH compared to Gemini 2.5 Pro's 88.0%, while o1 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 o1's 77.3%, while Gemini 2.5 Pro scores 48.0% on ARC-AGI compared to o1's 32.0%.
Context: In context, Gemini 2.5 Pro scores 1.0M on Context Length compared to o1's 200K.
Pricing Comparison
Gemini 2.5 Pro costs $1.3/1M input tokens and $10.0/1M output tokens, while o1 costs $15.0/1M input and $60.0/1M output. Gemini 2.5 Pro is the more affordable option for API usage.
Speed Comparison
Gemini 2.5 Pro generates output at 55 tok/s compared to o1's 35 tok/s, and the time to first token is 500 ms for Gemini 2.5 Pro versus 1000 ms for o1. Gemini 2.5 Pro delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence and affordability and speed, Gemini 2.5 Pro has the edge. For those who value math, o1 is the stronger choice.
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Gemini 2.5 Pro vs o1 — FAQ
Which is better, Gemini 2.5 Pro or o1?
Gemini 2.5 Pro wins on more benchmarks overall (12 vs 4). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 2.5 Pro compare to o1 for coding?
Gemini 2.5 Pro is better for coding, scoring 63.8% on SWE-bench Verified compared to 48.9%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Gemini 2.5 Pro cheaper than o1?
Yes, Gemini 2.5 Pro is cheaper. Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output tokens. o1 costs $15.0/1M input and $60.0/1M output tokens.
Which is faster, Gemini 2.5 Pro or o1?
Gemini 2.5 Pro is faster, generating output at 55 tok/s compared to 35 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Gemini 2.5 Pro vs o1 comparison cover?
This comparison covers 17 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, IFEval, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.