Claude Opus 4 vs o4 Mini
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
o4 Mini by OpenAI wins on 9 of 17 benchmarks against Claude Opus 4 by Anthropic, which leads on 7. 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, Claude Opus 4 scores 1375 on Chatbot Arena ELO compared to o4 Mini's 1350, while Claude Opus 4 scores 83.0% on MMLU-Pro compared to o4 Mini's 80.0%.
Coding: In coding, Claude Opus 4 scores 90.0% on HumanEval+ compared to o4 Mini's 88.0%, while Claude Opus 4 scores 72.5% on SWE-bench Verified compared to o4 Mini's 68.1%, while Claude Opus 4 scores 60.0% on LiveCodeBench compared to o4 Mini's 58.0%, while Claude Opus 4 scores 1171 on Design Arena ELO compared to o4 Mini's 983, while Claude Opus 4 scores 1177 on Website Arena ELO compared to o4 Mini's 997.
Math: In math, o4 Mini scores 93.0% on MATH compared to Claude Opus 4's 86.0%, while o4 Mini scores 97.5% on GSM8K compared to Claude Opus 4's 95.0%.
Reasoning: In reasoning, o4 Mini scores 81.4% on GPQA Diamond compared to Claude Opus 4's 79.6%, while o4 Mini scores 55.0% on ARC-AGI compared to Claude Opus 4's 45.0%.
Context: In context, both score 200K on Context Length.
Pricing Comparison
Claude Opus 4 costs $15.0/1M input tokens and $75.0/1M 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
Claude Opus 4 generates output at 50 tok/s compared to o4 Mini's 120 tok/s, and the time to first token is 550 ms for Claude Opus 4 versus 300 ms for o4 Mini. o4 Mini delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence, Claude Opus 4 has the edge. For those who value math and affordability and speed, o4 Mini is the stronger choice.
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Claude Opus 4 vs o4 Mini — FAQ
Which is better, Claude Opus 4 or o4 Mini?
o4 Mini wins on more benchmarks overall (9 vs 7). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude Opus 4 compare to o4 Mini for coding?
Claude Opus 4 is better for coding, scoring 72.5% on SWE-bench Verified compared to 68.1%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude Opus 4 cheaper than o4 Mini?
Yes, o4 Mini is cheaper. Claude Opus 4 costs $15.0/1M input and $75.0/1M output tokens. o4 Mini costs $1.1/1M input and $4.4/1M output tokens.
Which is faster, Claude Opus 4 or o4 Mini?
o4 Mini is faster, generating output at 120 tok/s compared to 50 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude Opus 4 vs o4 Mini comparison cover?
This comparison covers 17 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.