Claude 3.5 Haiku vs Phi-3 Medium

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

Phi-3 Medium

Microsoft

Microsoft's mid-size Phi-3 model. Better performance than Mini for moderate complexity tasks.

Input$0.100/M
Output$0.300/M
Context128K tokens
Best ForModerate complexity tasks, Azure-based applications

Cost Comparison by Scenario

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

ScenarioClaude 3.5 HaikuPhi-3 MediumSavings
Small Script (1K lines) $0.16 $0.01 Phi-3 Medium saves $0.15 (92%)
Medium Feature (10K lines) $1.24 $0.10 Phi-3 Medium saves $1.15 (92%)
Large Project (50K lines) $6.21 $0.47 Phi-3 Medium saves $5.74 (92%)
Code Review (5K lines) $0.32 $0.02 Phi-3 Medium saves $0.30 (92%)

Verdict

Phi-3 Medium wins on both price and performance — $0.100/M input with a benchmark score of N/A/100.

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

Compare with Other Models