Model Comparison

Claude 3.5 Haiku vs Phi-3.5-MoE-instructWhich is better in 2026?

Claude 3.5 Haiku significantly outperforms across most benchmarks.

Verdict: Claude 3.5 Haiku vs Phi-3.5-MoE-instruct — which is better?

Claude 3.5 Haiku (by Anthropic) and Phi-3.5-MoE-instruct (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 5 benchmarks (GPQA, HumanEval, MATH, MGSM, MMLU-Pro), while Phi-3.5-MoE-instruct 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 5 of 5 shared benchmarks
  • you want the most recent training data — it shipped Oct 2024

Choose Phi-3.5-MoE-instruct if…

  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Claude 3.5 Haiku outperforms in 5 benchmarks (GPQA, HumanEval, MATH, MGSM, MMLU-Pro), while Phi-3.5-MoE-instruct is better at 0 benchmarks.

Claude 3.5 Haiku significantly outperforms across most benchmarks.

Thu Jul 02 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-3.5-MoE-instruct
Input- tokens
Output- tokens
Thu Jul 02 2026 • llm-stats.com

License

Usage and distribution terms

Claude 3.5 Haiku is licensed under a proprietary license, while Phi-3.5-MoE-instruct 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-3.5-MoE-instruct

MIT

Open weights

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while Phi-3.5-MoE-instruct was released on 2024-08-23.

Claude 3.5 Haiku is 2 months newer than Phi-3.5-MoE-instruct.

Claude 3.5 Haiku

Oct 22, 2024

1.7 years ago

2mo newer
Phi-3.5-MoE-instruct

Aug 23, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Higher GPQA score (41.6% vs 36.8%)
Higher HumanEval score (88.1% vs 70.7%)
Higher MATH score (69.4% vs 59.5%)
Higher MGSM score (85.6% vs 58.7%)
Higher MMLU-Pro score (65.0% vs 45.3%)
Microsoft
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude 3.5 Haiku and Phi-3.5-MoE-instruct side-by-side, then vote on the output you prefer.

Claude 3.5 Haiku
✓ Preferred
Phi-3.5-MoE-instruct
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude 3.5 Haiku
Microsoft
Phi-3.5-MoE-instruct

FAQ

Common questions about Claude 3.5 Haiku vs Phi-3.5-MoE-instruct.

Which is better, Claude 3.5 Haiku or Phi-3.5-MoE-instruct?

Claude 3.5 Haiku significantly outperforms across most benchmarks. Claude 3.5 Haiku is made by Anthropic and Phi-3.5-MoE-instruct 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-3.5-MoE-instruct in benchmarks?

Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%. Phi-3.5-MoE-instruct scores ARC-C: 91.0%, OpenBookQA: 89.6%, GSM8k: 88.7%, PIQA: 88.6%, RULER: 87.1%.

What are the context window sizes for Claude 3.5 Haiku and Phi-3.5-MoE-instruct?

Claude 3.5 Haiku supports 200K tokens and Phi-3.5-MoE-instruct 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-3.5-MoE-instruct?

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-3.5-MoE-instruct?

Claude 3.5 Haiku is developed by Anthropic and Phi-3.5-MoE-instruct is developed by Microsoft.

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