GPT-4o vs GPT-5.2

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

GPT-5.2 by OpenAI wins on 14 of 16 benchmarks against GPT-4o by OpenAI, which leads on 2. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.

Category-by-Category Breakdown

General Intelligence: In general intelligence, GPT-5.2 scores 1475 on Chatbot Arena ELO compared to GPT-4o's 1280, while GPT-5.2 scores 83.0% on MMLU-Pro compared to GPT-4o's 72.6%, while GPT-5.2 scores 95.0% on IFEval compared to GPT-4o's 85.3%.

Coding: In coding, GPT-5.2 scores 95.0% on HumanEval+ compared to GPT-4o's 87.2%, while GPT-5.2 scores 80.0% on SWE-bench Verified compared to GPT-4o's 30.7%, while GPT-5.2 scores 80.0% on LiveCodeBench compared to GPT-4o's 38.0%.

Math: In math, GPT-5.2 scores 97.0% on MATH compared to GPT-4o's 74.6%, while GPT-5.2 scores 99.0% on GSM8K compared to GPT-4o's 92.0%, while GPT-5.2 scores 100.0% on AIME 2025 compared to GPT-4o's 9.3%.

Reasoning: In reasoning, GPT-5.2 scores 92.4% on GPQA Diamond compared to GPT-4o's 53.6%, while GPT-5.2 scores 54.2% on ARC-AGI compared to GPT-4o's 5.0%.

Context: In context, GPT-5.2 scores 400K on Context Length compared to GPT-4o's 128K.

Pricing Comparison

GPT-4o costs $2.5/1M input tokens and $10.0/1M output tokens, while GPT-5.2 costs $1.8/1M input and $14.0/1M output. GPT-5.2 is the more affordable option for API usage.

Speed Comparison

GPT-4o generates output at 143 tok/s compared to GPT-5.2's 90 tok/s, and the time to first token is 450 ms for GPT-4o versus 380 ms for GPT-5.2. GPT-4o delivers faster throughput.

Verdict

For developers prioritizing speed, GPT-4o has the edge. For those who value coding and general intelligence and math and affordability, GPT-5.2 is the stronger choice.

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GPT-4o vs GPT-5.2 — FAQ

Which is better, GPT-4o or GPT-5.2?

GPT-5.2 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 GPT-4o compare to GPT-5.2 for coding?

GPT-5.2 is better for coding, scoring 80.0% on SWE-bench Verified compared to 30.7%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.

Is GPT-4o cheaper than GPT-5.2?

Yes, GPT-5.2 is cheaper. GPT-4o costs $2.5/1M input and $10.0/1M output tokens. GPT-5.2 costs $1.8/1M input and $14.0/1M output tokens.

Which is faster, GPT-4o or GPT-5.2?

GPT-4o is faster, generating output at 143 tok/s compared to 90 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the GPT-4o vs GPT-5.2 comparison cover?

This comparison covers 16 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, IFEval, MATH, SWE-bench Verified, GPQA Diamond, Output Speed, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.