Model Comparison

Claude 3 Haiku vs Phi-3.5-MoE-instructWhich is better in 2026?

Phi-3.5-MoE-instruct has a slight edge in benchmark performance.

Verdict: Claude 3 Haiku vs Phi-3.5-MoE-instruct — which is better?

Claude 3 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 Haiku outperforms in 4 benchmarks (GSM8k, HellaSwag, HumanEval, MGSM), while Phi-3.5-MoE-instruct is better at 5 benchmarks (ARC-C, BIG-Bench Hard, GPQA, MATH, MMLU). Phi-3.5-MoE-instruct has a slight edge in benchmark performance.

Choose Claude 3 Haiku if…

  • you want predictable pricing at $0.25/M input and $1.25/M output

Choose Phi-3.5-MoE-instruct if…

  • you want the strongest raw capability — it leads on 5 of 9 shared benchmarks
  • you want the most recent training data — it shipped Aug 2024
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

9 benchmarks

Claude 3 Haiku outperforms in 4 benchmarks (GSM8k, HellaSwag, HumanEval, MGSM), while Phi-3.5-MoE-instruct is better at 5 benchmarks (ARC-C, BIG-Bench Hard, GPQA, MATH, MMLU).

Phi-3.5-MoE-instruct has a slight edge in benchmark performance.

Tue Jun 09 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude 3 Haiku specifies input context (200,000 tokens). Only Claude 3 Haiku specifies output context (200,000 tokens).

Anthropic
Claude 3 Haiku
Input200,000 tokens
Output200,000 tokens
Microsoft
Phi-3.5-MoE-instruct
Input- tokens
Output- tokens
Tue Jun 09 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Haiku supports multimodal inputs, whereas Phi-3.5-MoE-instruct does not.

Claude 3 Haiku can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Haiku

Text
Images
Audio
Video

Phi-3.5-MoE-instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 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 Haiku

Proprietary

Closed source

Phi-3.5-MoE-instruct

MIT

Open weights

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while Phi-3.5-MoE-instruct was released on 2024-08-23.

Phi-3.5-MoE-instruct is 5 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.2 years ago

Phi-3.5-MoE-instruct

Aug 23, 2024

1.8 years ago

5mo newer

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

Larger context window (200,000 tokens)
Supports multimodal inputs
Higher GSM8k score (88.9% vs 88.7%)
Higher HellaSwag score (85.9% vs 83.8%)
Higher HumanEval score (75.9% vs 70.7%)
Higher MGSM score (75.1% vs 58.7%)
Has open weights
Higher ARC-C score (91.0% vs 89.2%)
Higher BIG-Bench Hard score (79.1% vs 73.7%)
Higher GPQA score (36.8% vs 33.3%)
Higher MATH score (59.5% vs 38.9%)
Higher MMLU score (78.9% vs 75.2%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Haiku
Microsoft
Phi-3.5-MoE-instruct

FAQ

Common questions about Claude 3 Haiku vs Phi-3.5-MoE-instruct.

Which is better, Claude 3 Haiku or Phi-3.5-MoE-instruct?

Phi-3.5-MoE-instruct has a slight edge in benchmark performance. Claude 3 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 Haiku compare to Phi-3.5-MoE-instruct in benchmarks?

Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. 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 Haiku and Phi-3.5-MoE-instruct?

Claude 3 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 Haiku and Phi-3.5-MoE-instruct?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Haiku and Phi-3.5-MoE-instruct?

Claude 3 Haiku is developed by Anthropic and Phi-3.5-MoE-instruct is developed by Microsoft.