Claude 4 Haiku vs Microsoft Phi-4

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

Microsoft Phi-4

Microsoft

Microsoft's compact 14B model with strong reasoning and coding capability. Excellent value for small-scale deployments.

Input$0.100/M
Output$0.300/M
Context128K tokens
Best ForEdge deployments, local inference, budget coding
Benchmark45/100

Benchmark Performance Comparison

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

BenchmarkClaude 4 HaikuMicrosoft Phi-4Leader
Overall Score 55 45 Claude 4 Haiku leads by 10pts
SWE-bench Verified 48 38 Claude 4 Haiku leads by 10pts
LiveCodeBench 58 46 Claude 4 Haiku leads by 12pts
HumanEval 78 68 Claude 4 Haiku leads by 10pts
BigCodeBench 40 30 Claude 4 Haiku leads by 10pts

Cost Comparison by Scenario

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

ScenarioClaude 4 HaikuMicrosoft Phi-4Savings
Small Script (1K lines) $0.16 $0.01 Microsoft Phi-4 saves $0.15 (92%)
Medium Feature (10K lines) $1.24 $0.10 Microsoft Phi-4 saves $1.15 (92%)
Large Project (50K lines) $6.21 $0.47 Microsoft Phi-4 saves $5.74 (92%)
Code Review (5K lines) $0.32 $0.02 Microsoft Phi-4 saves $0.30 (92%)

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 Higher cost per point
Microsoft Phi-4 45 $0.002/pt Better value

Microsoft Phi-4 delivers the best value at $0.002 per score point.

Strengths & Weaknesses

Claude 4 Haiku

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

Microsoft Phi-4

  • + Small model, runs locally
  • - Limited capacity

Verdict

Microsoft Phi-4 is cheaper at $0.100/M, but Claude 4 Haiku scores higher on benchmarks (55 vs 45).

Choose Microsoft Phi-4 for cost-sensitive projects, Claude 4 Haiku when performance matters most.

Compare with Other Models