o1 Mini vs o3
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
o3 by OpenAI wins on 13 of 15 benchmarks against o1 Mini by OpenAI, which leads on 2. 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, o3 scores 1380 on Chatbot Arena ELO compared to o1 Mini's 1300, while o3 scores 84.0% on MMLU-Pro compared to o1 Mini's 75.0%, while o3 scores 49.4% on SimpleQA compared to o1 Mini's 12.0%.
Coding: In coding, o3 scores 90.0% on HumanEval+ compared to o1 Mini's 89.0%, while o3 scores 69.1% on SWE-bench Verified compared to o1 Mini's 45.0%, while o3 scores 70.0% on LiveCodeBench compared to o1 Mini's 48.0%.
Math: In math, o3 scores 96.0% on MATH compared to o1 Mini's 90.0%, while o3 scores 98.5% on GSM8K compared to o1 Mini's 96.0%.
Reasoning: In reasoning, o3 scores 83.3% on GPQA Diamond compared to o1 Mini's 60.0%, while o3 scores 75.7% on ARC-AGI compared to o1 Mini's 25.0%.
Context: In context, o3 scores 200K on Context Length compared to o1 Mini's 128K.
Pricing Comparison
o1 Mini costs $3.0/1M input tokens and $12.0/1M output tokens, while o3 costs $2.0/1M input and $8.0/1M output. o3 is the more affordable option for API usage.
Speed Comparison
o1 Mini generates output at 80 tok/s compared to o3's 40 tok/s, and the time to first token is 500 ms for o1 Mini versus 800 ms for o3. o1 Mini delivers faster throughput.
Verdict
For developers prioritizing speed, o1 Mini has the edge. For those who value coding and general intelligence and math and affordability, o3 is the stronger choice.
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o1 Mini vs o3 — FAQ
Which is better, o1 Mini or o3?
o3 wins on more benchmarks overall (13 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.
How does o1 Mini compare to o3 for coding?
o3 is better for coding, scoring 69.1% on SWE-bench Verified compared to 45.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is o1 Mini cheaper than o3?
Yes, o3 is cheaper. o1 Mini costs $3.0/1M input and $12.0/1M output tokens. o3 costs $2.0/1M input and $8.0/1M output tokens.
Which is faster, o1 Mini or o3?
o1 Mini is faster, generating output at 80 tok/s compared to 40 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the o1 Mini vs o3 comparison cover?
This comparison covers 15 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, SimpleQA, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.