Claude 3 Opus vs GPT-4.1 mini

Performance benchmarks + pricing comparison — updated April 2026

Claude 3 Opus

Anthropic

First generation Opus. Highest reasoning capability in the Claude 3 family.

Input$15.00/M
Output$75.00/M
Context200K tokens
Best ForDeep analysis, complex coding tasks
Benchmark78/100

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 3 OpusGPT-4.1 miniLeader
Overall Score 78 68 Claude 3 Opus leads by 10pts
SWE-bench Verified 74 62 Claude 3 Opus leads by 12pts
LiveCodeBench 80 70 Claude 3 Opus leads by 10pts
HumanEval 94 86 Claude 3 Opus leads by 8pts
BigCodeBench 64 54 Claude 3 Opus leads by 10pts

Cost Comparison by Scenario

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

ScenarioClaude 3 OpusGPT-4.1 miniSavings
Small Script (1K lines) $2.77 $0.06 GPT-4.1 mini saves $2.71 (98%)
Medium Feature (10K lines) $20.25 $0.46 GPT-4.1 mini saves $19.79 (98%)
Large Project (50K lines) $101.25 $2.30 GPT-4.1 mini saves $98.95 (98%)
Code Review (5K lines) $4.50 $0.11 GPT-4.1 mini saves $4.39 (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 3 Opus 78 $0.192/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 3 Opus

  • + Strong reasoning
  • + Proven track record
  • - Older generation
  • - Expensive

GPT-4.1 mini

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

Verdict

GPT-4.1 mini is cheaper at $0.400/M, but Claude 3 Opus scores higher on benchmarks (78 vs 68).

Choose GPT-4.1 mini for cost-sensitive projects, Claude 3 Opus when performance matters most.

Compare with Other Models