GPT-4o mini vs OpenAI o1-mini

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input$0.150/M
Output$0.600/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark58/100

OpenAI o1-mini

OpenAI

Cost-effective reasoning model. Good for coding tasks that require logical reasoning.

Input$1.10/M
Output$4.40/M
Context128K tokens
Best ForCoding logic, debugging, algorithm design
Benchmark70/100

Benchmark Performance Comparison

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

BenchmarkGPT-4o miniOpenAI o1-miniLeader
Overall Score 58 70 o1-mini leads by 12pts
SWE-bench Verified 50 64 o1-mini leads by 14pts
LiveCodeBench 60 72 o1-mini leads by 12pts
HumanEval 78 90 o1-mini leads by 12pts
BigCodeBench 44 54 o1-mini leads by 10pts

Cost Comparison by Scenario

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

ScenarioGPT-4o miniOpenAI o1-miniSavings
Small Script (1K lines) $0.02 $0.17 GPT-4o mini saves $0.15 (86%)
Medium Feature (10K lines) $0.18 $1.27 GPT-4o mini saves $1.08 (85%)
Large Project (50K lines) $0.92 $6.33 GPT-4o mini saves $5.41 (85%)
Code Review (5K lines) $0.05 $0.30 GPT-4o mini saves $0.26 (85%)

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 mini 58 $0.003/pt Better value
OpenAI o1-mini 70 $0.016/pt Higher cost per point

GPT-4o mini delivers the best value at $0.003 per score point.

Strengths & Weaknesses

GPT-4o mini

  • + Very cheap
  • + Fast responses
  • - Struggles with multi-step reasoning

OpenAI o1-mini

  • + Reasoning at lower cost
  • + Good for competitive programming
  • - Slower than standard models

Verdict

GPT-4o mini is cheaper at $0.150/M, but OpenAI o1-mini scores higher on benchmarks (70 vs 58).

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

Compare with Other Models