Model Comparison

Claude 3.5 Haiku vs Phi 4 MiniWhich is better in 2026?

Claude 3.5 Haiku significantly outperforms across most benchmarks.

Verdict: Claude 3.5 Haiku vs Phi 4 Mini — which is better?

Claude 3.5 Haiku (by Anthropic) and Phi 4 Mini (by Microsoft) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Claude 3.5 Haiku outperforms in 4 benchmarks (GPQA, MATH, MGSM, MMLU-Pro), while Phi 4 Mini is better at 0 benchmarks. Claude 3.5 Haiku significantly outperforms across most benchmarks.

Choose Claude 3.5 Haiku if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks

Choose Phi 4 Mini if…

  • you want the most recent training data — it shipped Feb 2025
  • you need open weights you can self-host or fine-tune
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude 3.5 Haiku outperforms in 4 benchmarks (GPQA, MATH, MGSM, MMLU-Pro), while Phi 4 Mini is better at 0 benchmarks.

Claude 3.5 Haiku significantly outperforms across most benchmarks.

Mon Jun 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude 3.5 Haiku specifies input context (200,000 tokens). Only Claude 3.5 Haiku specifies output context (200,000 tokens).

Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
Microsoft
Phi 4 Mini
Input- tokens
Output- tokens
Mon Jun 15 2026 • llm-stats.com

License

Usage and distribution terms

Claude 3.5 Haiku is licensed under a proprietary license, while Phi 4 Mini uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Claude 3.5 Haiku

Proprietary

Closed source

Phi 4 Mini

MIT

Open weights

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while Phi 4 Mini was released on 2025-02-01.

Phi 4 Mini is 3 months newer than Claude 3.5 Haiku.

Claude 3.5 Haiku

Oct 22, 2024

1.6 years ago

Phi 4 Mini

Feb 1, 2025

1.4 years ago

3mo newer

Knowledge Cutoff

When training data ends

Phi 4 Mini has a documented knowledge cutoff of 2024-06-01, while Claude 3.5 Haiku's cutoff date is not specified.

We can confirm Phi 4 Mini's training data extends to 2024-06-01, but cannot make a direct comparison without Claude 3.5 Haiku's cutoff date.

Claude 3.5 Haiku

—

Phi 4 Mini

Jun 2024

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Higher GPQA score (41.6% vs 25.2%)
Higher MATH score (69.4% vs 64.0%)
Higher MGSM score (85.6% vs 63.9%)
Higher MMLU-Pro score (65.0% vs 52.8%)
Microsoft
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3.5 Haiku
Microsoft
Phi 4 Mini

FAQ

Common questions about Claude 3.5 Haiku vs Phi 4 Mini.

Which is better, Claude 3.5 Haiku or Phi 4 Mini?

Claude 3.5 Haiku significantly outperforms across most benchmarks. Claude 3.5 Haiku is made by Anthropic and Phi 4 Mini is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3.5 Haiku compare to Phi 4 Mini in benchmarks?

Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%. Phi 4 Mini scores GSM8k: 88.6%, ARC-C: 83.7%, BoolQ: 81.2%, OpenBookQA: 79.2%, PIQA: 77.6%.

What are the context window sizes for Claude 3.5 Haiku and Phi 4 Mini?

Claude 3.5 Haiku supports 200K tokens and Phi 4 Mini supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3.5 Haiku and Phi 4 Mini?

Key differences include licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Haiku and Phi 4 Mini?

Claude 3.5 Haiku is developed by Anthropic and Phi 4 Mini is developed by Microsoft.

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