GPT-4 vs OpenAI o1

Performance benchmarks + pricing comparison — updated April 2026

GPT-4

OpenAI

Original GPT-4. Most expensive OpenAI model, largely superseded by newer options.

Input$30.00/M
Output$60.00/M
Context8K tokens
Best ForLegacy applications requiring GPT-4 specifically
Benchmark68/100

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-4OpenAI o1Leader
Overall Score 68 83 o1 leads by 15pts
SWE-bench Verified 60 80 o1 leads by 20pts
LiveCodeBench 70 84 o1 leads by 14pts
HumanEval 86 95 o1 leads by 9pts
BigCodeBench 54 73 o1 leads by 19pts

Cost Comparison by Scenario

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

ScenarioGPT-4OpenAI o1Savings
Small Script (1K lines) $2.85 $2.32 OpenAI o1 saves $0.52 (18%)
Medium Feature (10K lines) $22.50 $17.25 OpenAI o1 saves $5.25 (23%)
Large Project (50K lines) $112.50 $86.25 OpenAI o1 saves $26.25 (23%)
Code Review (5K lines) $6.75 $4.13 OpenAI o1 saves $2.63 (39%)

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-4 68 $0.441/pt Higher cost per point
OpenAI o1 83 $0.181/pt Better value

OpenAI o1 delivers the best value at $0.181 per score point.

Strengths & Weaknesses

GPT-4

  • + Original breakthrough model
  • - Two generations behind
  • - Expensive

OpenAI o1

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

Verdict

OpenAI o1 wins on both price and performance — $15.00/M input with a benchmark score of 83/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models