Claude 3 Sonnet vs GPT-4 Turbo

Performance benchmarks + pricing comparison — updated April 2026

Claude 3 Sonnet

Anthropic

First generation Sonnet. Balanced performance for general tasks.

Input$3.00/M
Output$15.00/M
Context200K tokens
Best ForGeneral-purpose coding and reasoning
Benchmark65/100

GPT-4 Turbo

OpenAI

Previous generation high-performance model. Good for complex reasoning tasks.

Input$10.00/M
Output$30.00/M
Context128K tokens
Best ForComplex reasoning, data extraction, analysis
Benchmark70/100

Benchmark Performance Comparison

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

BenchmarkClaude 3 SonnetGPT-4 TurboLeader
Overall Score 65 70 GPT-4 Turbo leads by 5pts
SWE-bench Verified 58 64 GPT-4 Turbo leads by 6pts
LiveCodeBench 68 72 GPT-4 Turbo leads by 4pts
HumanEval 85 88 GPT-4 Turbo leads by 3pts
BigCodeBench 50 56 GPT-4 Turbo leads by 6pts

Cost Comparison by Scenario

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

ScenarioClaude 3 SonnetGPT-4 TurboSavings
Small Script (1K lines) $0.55 $1.25 Claude 3 Sonnet saves $0.70 (56%)
Medium Feature (10K lines) $4.05 $9.50 Claude 3 Sonnet saves $5.45 (57%)
Large Project (50K lines) $20.25 $47.50 Claude 3 Sonnet saves $27.25 (57%)
Code Review (5K lines) $0.90 $2.50 Claude 3 Sonnet saves $1.60 (64%)

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 Sonnet 65 $0.046/pt Better value
GPT-4 Turbo 70 $0.133/pt Higher cost per point

Claude 3 Sonnet delivers the best value at $0.046 per score point.

Strengths & Weaknesses

Claude 3 Sonnet

  • + Reliable
  • + Good value
  • - Two generations behind

GPT-4 Turbo

  • + Proven model
  • + Large context
  • - Superseded by GPT-4o

Verdict

Claude 3 Sonnet is cheaper at $3.00/M, but GPT-4 Turbo scores higher on benchmarks (70 vs 65).

Choose Claude 3 Sonnet for cost-sensitive projects, GPT-4 Turbo when performance matters most.

Compare with Other Models