GPT-4 vs OpenAI o4-mini

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 Most expensive OpenAI model, largely superseded by newer options.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 o4-mini

OpenAI

Updated mini reasoning model. Similar pricing to o3-mini with updated capabilities.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForGeneral reasoning, coding tasks
Benchmark72/100

Benchmark Performance Comparison

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

BenchmarkGPT-4OpenAI o4-miniLeader
Overall Score 68 72 o4-mini leads by 4pts
SWE-bench Verified 60 66 o4-mini leads by 6pts
LiveCodeBench 70 74 o4-mini leads by 4pts
HumanEval 86 92 o4-mini leads by 6pts
BigCodeBench 54 56 o4-mini leads by 2pts

Cost Comparison by Scenario

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

ScenarioGPT-4OpenAI o4-miniSavings
Small Script (1K lines) $2.85 $0.17 OpenAI o4-mini saves $2.68 (94%)
Medium Feature (10K lines) $22.50 $1.27 OpenAI o4-mini saves $21.23 (94%)
Large Project (50K lines) $112.50 $6.33 OpenAI o4-mini saves $106.17 (94%)
Code Review (5K lines) $6.75 $0.30 OpenAI o4-mini saves $6.45 (96%)

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 o4-mini 72 $0.015/pt Better value

OpenAI o4-mini delivers the best value at $0.015 per score point.

Strengths & Weaknesses

GPT-4

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

OpenAI o4-mini

  • + Improved reasoning at mini price
  • - New model, limited data

Verdict

OpenAI o4-mini wins on both price and performance — $1.10/M input with a benchmark score of 72/100.

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

Compare with Other Models