Gemini 3 Flash vs o1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 3 Flash by Google wins on 9 of 16 benchmarks against o1 by OpenAI, 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 Flash scores 1473 on Chatbot Arena ELO compared to o1's 1360, while Gemini 3 Flash scores 88.6% on MMLU-Pro compared to o1's 82.0%, while o1 scores 92.0% on IFEval compared to Gemini 3 Flash's 89.0%.
Coding: In coding, o1 scores 89.0% on HumanEval+ compared to Gemini 3 Flash's 86.0%, while Gemini 3 Flash scores 78.0% on SWE-bench Verified compared to o1's 48.9%, while both score 55.0% on LiveCodeBench.
Math: In math, o1 scores 94.8% on MATH compared to Gemini 3 Flash's 85.0%, while o1 scores 97.5% on GSM8K compared to Gemini 3 Flash's 95.0%.
Reasoning: In reasoning, o1 scores 77.3% on GPQA Diamond compared to Gemini 3 Flash's 72.0%, while o1 scores 32.0% 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 o1's 200K.
Pricing Comparison
Gemini 3 Flash costs $0.50/1M input tokens and $3.0/1M output tokens, while o1 costs $15.0/1M input and $60.0/1M 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 o1's 35 tok/s, and the time to first token is 100 ms for Gemini 3 Flash versus 1000 ms for o1. 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, o1 is the stronger choice.
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Gemini 3 Flash vs o1 — FAQ
Which is better, Gemini 3 Flash or o1?
Gemini 3 Flash wins on more benchmarks overall (9 vs 6). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 3 Flash compare to o1 for coding?
Gemini 3 Flash is better for coding, scoring 78.0% on SWE-bench Verified compared to 48.9%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Gemini 3 Flash cheaper than o1?
Yes, Gemini 3 Flash is cheaper. Gemini 3 Flash costs $0.50/1M input and $3.0/1M output tokens. o1 costs $15.0/1M input and $60.0/1M output tokens.
Which is faster, Gemini 3 Flash or o1?
Gemini 3 Flash is faster, generating output at 200 tok/s compared to 35 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Gemini 3 Flash vs o1 comparison cover?
This comparison covers 16 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.