Claude Opus 4 vs o1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Claude Opus 4 by Anthropic wins on 10 of 16 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, Claude Opus 4 scores 1375 on Chatbot Arena ELO compared to o1's 1360, while Claude Opus 4 scores 83.0% on MMLU-Pro compared to o1's 82.0%, while o1 scores 92.0% on IFEval compared to Claude Opus 4's 88.0%.
Coding: In coding, Claude Opus 4 scores 90.0% on HumanEval+ compared to o1's 89.0%, while Claude Opus 4 scores 72.5% on SWE-bench Verified compared to o1's 48.9%, while Claude Opus 4 scores 60.0% on LiveCodeBench compared to o1's 55.0%.
Math: In math, o1 scores 94.8% on MATH compared to Claude Opus 4's 86.0%, while o1 scores 97.5% on GSM8K compared to Claude Opus 4's 95.0%.
Reasoning: In reasoning, Claude Opus 4 scores 79.6% on GPQA Diamond compared to o1's 77.3%, while Claude Opus 4 scores 45.0% on ARC-AGI compared to o1's 32.0%.
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 o1 costs $15.0/1M input and $60.0/1M output. Both models are priced identically for input tokens.
Speed Comparison
Claude Opus 4 generates output at 50 tok/s compared to o1's 35 tok/s, and the time to first token is 550 ms for Claude Opus 4 versus 1000 ms for o1. Claude Opus 4 delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence and speed, Claude Opus 4 has the edge. For those who value math, o1 is the stronger choice.
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Claude Opus 4 vs o1 — FAQ
Which is better, Claude Opus 4 or o1?
Claude Opus 4 wins on more benchmarks overall (10 vs 4). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude Opus 4 compare to o1 for coding?
Claude Opus 4 is better for coding, scoring 72.5% on SWE-bench Verified compared to 48.9%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude Opus 4 cheaper than o1?
Both models are priced the same at $15.0/1M input tokens. Claude Opus 4 output costs $75.0/1M and o1 output costs $60.0/1M.
Which is faster, Claude Opus 4 or o1?
Claude Opus 4 is faster, generating output at 50 tok/s compared to 35 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude Opus 4 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.