Claude Opus 4 vs GPT-4o

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-4o

OpenAI

OpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.

Input$2.50/M
Output$10.00/M
Context128K tokens
Best ForGeneral coding, multimodal tasks, chatbots
Benchmark75/100

Benchmark Performance Comparison

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

BenchmarkClaude Opus 4GPT-4oLeader
Overall Score 86 75 Claude Opus 4 leads by 11pts
SWE-bench Verified 84 70 Claude Opus 4 leads by 14pts
LiveCodeBench 88 78 Claude Opus 4 leads by 10pts
HumanEval 96 90 Claude Opus 4 leads by 6pts
BigCodeBench 76 62 Claude Opus 4 leads by 14pts

Cost Comparison by Scenario

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

ScenarioClaude Opus 4GPT-4oSavings
Small Script (1K lines) $3.08 $0.41 GPT-4o saves $2.67 (87%)
Medium Feature (10K lines) $23.29 $3.06 GPT-4o saves $20.23 (87%)
Large Project (50K lines) $116.44 $15.31 GPT-4o saves $101.13 (87%)
Code Review (5K lines) $6.02 $0.78 GPT-4o saves $5.24 (87%)

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-4o 75 $0.033/pt Better value

GPT-4o delivers the best value at $0.033 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-4o

  • + Strong general-purpose
  • + Good multimodal
  • - Less consistent on coding than Claude

Verdict

GPT-4o is cheaper at $2.50/M, but Claude Opus 4 scores higher on benchmarks (86 vs 75).

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

Compare with Other Models