Claude 4 Haiku vs GPT-4.1 mini

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 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 4 HaikuGPT-4.1 miniLeader
Overall Score 55 68 GPT-4.1 Mini leads by 13pts
SWE-bench Verified 48 62 GPT-4.1 Mini leads by 14pts
LiveCodeBench 58 70 GPT-4.1 Mini leads by 12pts
HumanEval 78 86 GPT-4.1 Mini leads by 8pts
BigCodeBench 40 54 GPT-4.1 Mini 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 4 HaikuGPT-4.1 miniSavings
Small Script (1K lines) $0.16 $0.06 GPT-4.1 mini saves $0.10 (62%)
Medium Feature (10K lines) $1.24 $0.46 GPT-4.1 mini saves $0.78 (63%)
Large Project (50K lines) $6.21 $2.30 GPT-4.1 mini saves $3.91 (63%)
Code Review (5K lines) $0.32 $0.11 GPT-4.1 mini saves $0.21 (66%)

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 mini 68 $0.022/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 mini

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

Verdict

GPT-4.1 mini wins on both price and performance — $0.400/M input with a benchmark score of 68/100.

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

Compare with Other Models