Claude 3 Opus vs o3 Mini
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
o3 Mini by OpenAI wins on 14 of 17 benchmarks against Claude 3 Opus by Anthropic, 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 Mini scores 1320 on Chatbot Arena ELO compared to Claude 3 Opus's 1240, while o3 Mini scores 78.0% on MMLU-Pro compared to Claude 3 Opus's 68.0%, while Claude 3 Opus scores 29.0% on SimpleQA compared to o3 Mini's 13.0%.
Coding: In coding, o3 Mini scores 87.0% on HumanEval+ compared to Claude 3 Opus's 78.0%, while o3 Mini scores 50.0% on SWE-bench Verified compared to Claude 3 Opus's 22.0%, while o3 Mini scores 55.0% on LiveCodeBench compared to Claude 3 Opus's 32.0%.
Math: In math, o3 Mini scores 93.0% on MATH compared to Claude 3 Opus's 68.0%, while o3 Mini scores 97.0% on GSM8K compared to Claude 3 Opus's 88.0%.
Reasoning: In reasoning, o3 Mini scores 77.0% on GPQA Diamond compared to Claude 3 Opus's 59.4%, while o3 Mini scores 45.0% on ARC-AGI compared to Claude 3 Opus's 8.0%, while o3 Mini scores 88.5% on BBH compared to Claude 3 Opus's 86.8%, while Claude 3 Opus scores 90.5% on Winogrande compared to o3 Mini's 89.0%.
Context: In context, both score 200K on Context Length.
Pricing Comparison
Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M output tokens, while o3 Mini costs $1.1/1M input and $4.4/1M output. o3 Mini is the more affordable option for API usage.
Speed Comparison
Claude 3 Opus generates output at 25 tok/s compared to o3 Mini's 100 tok/s, and the time to first token is 800 ms for Claude 3 Opus versus 400 ms for o3 Mini. o3 Mini delivers faster throughput.
Verdict
o3 Mini leads across the board in coding, general intelligence, math, affordability, speed, making it the stronger overall choice in this comparison.
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Claude 3 Opus vs o3 Mini — FAQ
Which is better, Claude 3 Opus or o3 Mini?
o3 Mini wins on more benchmarks overall (14 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude 3 Opus compare to o3 Mini for coding?
o3 Mini is better for coding, scoring 50.0% on SWE-bench Verified compared to 22.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude 3 Opus cheaper than o3 Mini?
Yes, o3 Mini is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. o3 Mini costs $1.1/1M input and $4.4/1M output tokens.
Which is faster, Claude 3 Opus or o3 Mini?
o3 Mini is faster, generating output at 100 tok/s compared to 25 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude 3 Opus vs o3 Mini comparison cover?
This comparison covers 17 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.