GPT-4o mini vs GPT-4.1

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

GPT-4.1

OpenAI

Updated GPT-4 generation with improved instruction following and reduced hallucination. Better coding accuracy than GPT-4o.

Input$2.00/M
Output$8.00/M
Context128K tokens
Best ForProduction coding, API development, complex instructions
Benchmark80/100

Benchmark Performance Comparison

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

BenchmarkGPT-4o miniGPT-4.1Leader
Overall Score 58 80 GPT-4.1 leads by 22pts
SWE-bench Verified 50 76 GPT-4.1 leads by 26pts
LiveCodeBench 60 82 GPT-4.1 leads by 22pts
HumanEval 78 94 GPT-4.1 leads by 16pts
BigCodeBench 44 68 GPT-4.1 leads by 24pts

Cost Comparison by Scenario

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

ScenarioGPT-4o miniGPT-4.1Savings
Small Script (1K lines) $0.02 $0.31 GPT-4o mini saves $0.29 (92%)
Medium Feature (10K lines) $0.18 $2.30 GPT-4o mini saves $2.12 (92%)
Large Project (50K lines) $0.92 $11.50 GPT-4o mini saves $10.58 (92%)
Code Review (5K lines) $0.05 $0.55 GPT-4o mini saves $0.50 (91%)

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
GPT-4.1 80 $0.063/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

GPT-4.1

  • + Latest GPT model
  • + Strong across all benchmarks
  • - Premium pricing

Verdict

GPT-4o mini is cheaper at $0.150/M, but GPT-4.1 scores higher on benchmarks (80 vs 58).

Choose GPT-4o mini for cost-sensitive projects, GPT-4.1 when performance matters most.

Compare with Other Models