Claude 3.5 Haiku vs GPT-4o mini

Performance benchmarks + pricing comparison — updated April 2026

Claude 3.5 Haiku

Anthropic

Fast, cost-effective model for high-volume tasks. Great for code review and simple queries.

Input$0.800/M
Output$4.00/M
Context200K tokens
Best ForCode review, high-volume tasks, simple queries
Benchmark52/100

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input$0.150/M
Output$0.600/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark58/100

Benchmark Performance Comparison

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

BenchmarkClaude 3.5 HaikuGPT-4o miniLeader
Overall Score 52 58 GPT-4o Mini leads by 6pts
SWE-bench Verified 45 50 GPT-4o Mini leads by 5pts
LiveCodeBench 55 60 GPT-4o Mini leads by 5pts
HumanEval 75 78 GPT-4o Mini leads by 3pts
BigCodeBench 38 44 GPT-4o Mini 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 3.5 HaikuGPT-4o miniSavings
Small Script (1K lines) $0.16 $0.02 GPT-4o mini saves $0.14 (85%)
Medium Feature (10K lines) $1.24 $0.18 GPT-4o mini saves $1.06 (85%)
Large Project (50K lines) $6.21 $0.92 GPT-4o mini saves $5.29 (85%)
Code Review (5K lines) $0.32 $0.05 GPT-4o mini saves $0.27 (85%)

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 3.5 Haiku 52 $0.015/pt Higher cost per point
GPT-4o mini 58 $0.003/pt Better value

GPT-4o mini delivers the best value at $0.003 per score point.

Strengths & Weaknesses

Claude 3.5 Haiku

  • + Fastest Claude model
  • + Cheapest option
  • + Good for code review
  • - Struggles with complex tasks
  • - Limited reasoning depth

GPT-4o mini

  • + Very cheap
  • + Fast responses
  • - Struggles with multi-step reasoning

Verdict

GPT-4o mini wins on both price and performance — $0.150/M input with a benchmark score of 58/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models