GPT-4o vs OpenAI o4-mini

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 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-4oOpenAI o4-miniLeader
Overall Score 75 72 GPT-4o leads by 3pts
SWE-bench Verified 70 66 GPT-4o leads by 4pts
LiveCodeBench 78 74 GPT-4o leads by 4pts
HumanEval 90 92 o4-mini leads by 2pts
BigCodeBench 62 56 GPT-4o leads by 6pts

Cost Comparison by Scenario

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

ScenarioGPT-4oOpenAI o4-miniSavings
Small Script (1K lines) $0.41 $0.17 OpenAI o4-mini saves $0.24 (58%)
Medium Feature (10K lines) $3.06 $1.27 OpenAI o4-mini saves $1.80 (59%)
Large Project (50K lines) $15.31 $6.33 OpenAI o4-mini saves $8.99 (59%)
Code Review (5K lines) $0.78 $0.30 OpenAI o4-mini saves $0.48 (61%)

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 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-4o

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

OpenAI o4-mini

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

Verdict

OpenAI o4-mini is cheaper at $1.10/M, but GPT-4o scores higher on benchmarks (75 vs 72).

Choose OpenAI o4-mini for cost-sensitive projects, GPT-4o when performance matters most.

Compare with Other Models