Claude Opus 4 vs GPT-4.1 mini

Performance benchmarks + pricing comparison — updated April 2026

Claude Opus 4

Anthropic

Anthropic's most powerful model. Best for complex reasoning and challenging coding tasks.

Input$15.00/M
Output$75.00/M
Context200K tokens
Best ForComplex architecture decisions, debugging hard bugs, research
Benchmark86/100

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.

BenchmarkClaude Opus 4GPT-4.1 miniLeader
Overall Score 86 68 Claude Opus 4 leads by 18pts
SWE-bench Verified 84 62 Claude Opus 4 leads by 22pts
LiveCodeBench 88 70 Claude Opus 4 leads by 18pts
HumanEval 96 86 Claude Opus 4 leads by 10pts
BigCodeBench 76 54 Claude Opus 4 leads by 22pts

Cost Comparison by Scenario

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

ScenarioClaude Opus 4GPT-4.1 miniSavings
Small Script (1K lines) $3.08 $0.06 GPT-4.1 mini saves $3.02 (98%)
Medium Feature (10K lines) $23.29 $0.46 GPT-4.1 mini saves $22.83 (98%)
Large Project (50K lines) $116.44 $2.30 GPT-4.1 mini saves $114.14 (98%)
Code Review (5K lines) $6.02 $0.11 GPT-4.1 mini saves $5.91 (98%)

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
Claude Opus 4 86 $0.174/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

Claude Opus 4

  • + Best at complex reasoning
  • + Strong system design
  • + Excellent debugging
  • - Expensive for bulk tasks
  • - Slower response times

GPT-4.1 mini

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

Verdict

GPT-4.1 mini is cheaper at $0.400/M, but Claude Opus 4 scores higher on benchmarks (86 vs 68).

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

Compare with Other Models