GPT-4o vs OpenAI o1

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o

OpenAI

OpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.

Input$2.50/M
Output$10.00/M
Context128K tokens
Best ForGeneral coding, multimodal tasks, chatbots
Benchmark75/100

OpenAI o1

OpenAI

Reasoning model optimized for complex problem-solving. Excels at math, science, and advanced coding.

Input$15.00/M
Output$60.00/M
Context200K tokens
Best ForComplex math, advanced coding, scientific reasoning
Benchmark83/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkGPT-4oOpenAI o1Leader
Overall Score 75 83 o1 leads by 8pts
SWE-bench Verified 70 80 o1 leads by 10pts
LiveCodeBench 78 84 o1 leads by 6pts
HumanEval 90 95 o1 leads by 5pts
BigCodeBench 62 73 o1 leads by 11pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGPT-4oOpenAI o1Savings
Small Script (1K lines) $0.41 $2.32 GPT-4o saves $1.92 (83%)
Medium Feature (10K lines) $3.06 $17.25 GPT-4o saves $14.19 (82%)
Large Project (50K lines) $15.31 $86.25 GPT-4o saves $70.94 (82%)
Code Review (5K lines) $0.78 $4.13 GPT-4o saves $3.34 (81%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
GPT-4o 75 $0.033/pt Better value
OpenAI o1 83 $0.181/pt Higher cost per point

GPT-4o delivers the best value at $0.033 per score point.

Strengths & Weaknesses

GPT-4o

  • + Strong general-purpose
  • + Good multimodal
  • - Less consistent on coding than Claude

OpenAI o1

  • + Strong step-by-step reasoning
  • + Best at math-heavy coding
  • - Expensive
  • - Slow

Verdict

GPT-4o is cheaper at $2.50/M, but OpenAI o1 scores higher on benchmarks (83 vs 75).

Choose GPT-4o for cost-sensitive projects, OpenAI o1 when performance matters most.

Compare with Other Models