GPT-4.1 vs o1

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

GPT-4.1 by OpenAI wins on 8 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, o1 scores 1360 on Chatbot Arena ELO compared to GPT-4.1's 1340, while o1 scores 82.0% on MMLU-Pro compared to GPT-4.1's 78.0%, while o1 scores 92.0% on IFEval compared to GPT-4.1's 88.0%.

Coding: In coding, both score 89.0% on HumanEval+, while GPT-4.1 scores 50.0% 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 GPT-4.1's 83.0%, while o1 scores 97.5% on GSM8K compared to GPT-4.1's 94.0%.

Reasoning: In reasoning, o1 scores 77.3% on GPQA Diamond compared to GPT-4.1's 58.0%, while GPT-4.1 scores 40.0% on ARC-AGI compared to o1's 32.0%.

Context: In context, GPT-4.1 scores 1.0M on Context Length compared to o1's 200K.

Pricing Comparison

GPT-4.1 costs $2.0/1M input tokens and $8.0/1M output tokens, while o1 costs $15.0/1M input and $60.0/1M output. GPT-4.1 is the more affordable option for API usage.

Speed Comparison

GPT-4.1 generates output at 70 tok/s compared to o1's 35 tok/s, and the time to first token is 450 ms for GPT-4.1 versus 1000 ms for o1. GPT-4.1 delivers faster throughput.

Verdict

For developers prioritizing coding and affordability and speed, GPT-4.1 has the edge. For those who value general intelligence and math, o1 is the stronger choice.

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GPT-4.1 vs o1 — FAQ

Which is better, GPT-4.1 or o1?

GPT-4.1 wins on more benchmarks overall (8 vs 6). However, the best choice depends on your specific needs — each model excels in different areas.

How does GPT-4.1 compare to o1 for coding?

GPT-4.1 is better for coding, scoring 50.0% on SWE-bench Verified compared to 48.9%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.

Is GPT-4.1 cheaper than o1?

Yes, GPT-4.1 is cheaper. GPT-4.1 costs $2.0/1M input and $8.0/1M output tokens. o1 costs $15.0/1M input and $60.0/1M output tokens.

Which is faster, GPT-4.1 or o1?

GPT-4.1 is faster, generating output at 70 tok/s compared to 35 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the GPT-4.1 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.