GPT-4.1 vs GPT-4.1 mini

Performance benchmarks + pricing comparison — updated April 2026

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

GPT-4.1 mini

OpenAI

Cost-optimized GPT-4.1 variant. Strong coding capability at budget pricing, replacing GPT-4o mini for many use cases.

Input$0.400/M
Output$1.60/M
Context128K tokens
Best ForHigh-volume coding, cost-sensitive projects, automation
Benchmark68/100

Benchmark Performance Comparison

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

BenchmarkGPT-4.1GPT-4.1 miniLeader
Overall Score 80 68 GPT-4.1 leads by 12pts
SWE-bench Verified 76 62 GPT-4.1 leads by 14pts
LiveCodeBench 82 70 GPT-4.1 leads by 12pts
HumanEval 94 86 GPT-4.1 leads by 8pts
BigCodeBench 68 54 GPT-4.1 leads by 14pts

Cost Comparison by Scenario

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

ScenarioGPT-4.1GPT-4.1 miniSavings
Small Script (1K lines) $0.31 $0.06 GPT-4.1 mini saves $0.25 (80%)
Medium Feature (10K lines) $2.30 $0.46 GPT-4.1 mini saves $1.84 (80%)
Large Project (50K lines) $11.50 $2.30 GPT-4.1 mini saves $9.20 (80%)
Code Review (5K lines) $0.55 $0.11 GPT-4.1 mini saves $0.44 (80%)

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-4.1 80 $0.063/pt Higher cost per point
GPT-4.1 mini 68 $0.022/pt Better value

GPT-4.1 mini delivers the best value at $0.022 per score point.

Strengths & Weaknesses

GPT-4.1

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

GPT-4.1 mini

  • + Good value
  • + Latest architecture
  • - Mini variant limitations

Verdict

GPT-4.1 mini is cheaper at $0.400/M, but GPT-4.1 scores higher on benchmarks (80 vs 68).

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

Compare with Other Models