Claude 4 Haiku vs GPT-4.1

Performance benchmarks + pricing comparison — updated April 2026

Claude 4 Haiku

Anthropic

Updated Haiku model with improved reasoning over Claude 3.5 Haiku. Fast and affordable for high-volume tasks.

Input$0.800/M
Output$4.00/M
Context200K tokens
Best ForHigh-volume tasks, simple queries, cost-sensitive workflows
Benchmark55/100

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

Benchmark Performance Comparison

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

BenchmarkClaude 4 HaikuGPT-4.1Leader
Overall Score 55 80 GPT-4.1 leads by 25pts
SWE-bench Verified 48 76 GPT-4.1 leads by 28pts
LiveCodeBench 58 82 GPT-4.1 leads by 24pts
HumanEval 78 94 GPT-4.1 leads by 16pts
BigCodeBench 40 68 GPT-4.1 leads by 28pts

Cost Comparison by Scenario

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

ScenarioClaude 4 HaikuGPT-4.1Savings
Small Script (1K lines) $0.16 $0.31 Claude 4 Haiku saves $0.15 (47%)
Medium Feature (10K lines) $1.24 $2.30 Claude 4 Haiku saves $1.06 (46%)
Large Project (50K lines) $6.21 $11.50 Claude 4 Haiku saves $5.29 (46%)
Code Review (5K lines) $0.32 $0.55 Claude 4 Haiku saves $0.23 (42%)

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 4 Haiku 55 $0.015/pt Better value
GPT-4.1 80 $0.063/pt Higher cost per point

Claude 4 Haiku delivers the best value at $0.015 per score point.

Strengths & Weaknesses

Claude 4 Haiku

  • + Fast
  • + Good value
  • + Improved over 3.5 Haiku
  • - Limited reasoning depth

GPT-4.1

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

Verdict

Claude 4 Haiku is cheaper at $0.800/M, but GPT-4.1 scores higher on benchmarks (80 vs 55).

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

Compare with Other Models