Model Comparison

Devstral Medium vs Phi-3.5-MoE-instructWhich is better in 2026?

Comparing Devstral Medium and Phi-3.5-MoE-instruct across benchmarks, pricing, and capabilities.

Verdict: Devstral Medium vs Phi-3.5-MoE-instruct — which is better?

Devstral Medium (by Mistral AI) 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.

Choose Devstral Medium if…

  • you want the most recent training data — it shipped Jul 2025

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

No common benchmarks found

Devstral Medium and Phi-3.5-MoE-instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Devstral Medium specifies input context (128,000 tokens). Only Devstral Medium specifies output context (128,000 tokens).

Mistral AI
Devstral Medium
Input128,000 tokens
Output128,000 tokens
Microsoft
Phi-3.5-MoE-instruct
Input- tokens
Output- tokens
Mon Jul 13 2026 • llm-stats.com

License

Usage and distribution terms

Devstral Medium 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.

Devstral Medium

Proprietary

Closed source

Phi-3.5-MoE-instruct

MIT

Open weights

Release Timeline

When each model was launched

Devstral Medium was released on 2025-07-10, while Phi-3.5-MoE-instruct was released on 2024-08-23.

Devstral Medium is 11 months newer than Phi-3.5-MoE-instruct.

Devstral Medium

Jul 10, 2025

1.0 years ago

10mo 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

Mistral AI
Larger context window (128,000 tokens)
Microsoft
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

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

Devstral Medium
✓ Preferred
Phi-3.5-MoE-instruct
Open in Playground
AI Model Comparison Table
Feature
Mistral AI
Devstral Medium
Microsoft
Phi-3.5-MoE-instruct

FAQ

Common questions about Devstral Medium vs Phi-3.5-MoE-instruct.

Which is better, Devstral Medium or Phi-3.5-MoE-instruct?

Devstral Medium (Mistral AI) and Phi-3.5-MoE-instruct (Microsoft) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Devstral Medium compare to Phi-3.5-MoE-instruct in benchmarks?

Devstral Medium scores SWE-Bench Verified: 61.6%. 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 Devstral Medium and Phi-3.5-MoE-instruct?

Devstral Medium supports 128K 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 Devstral Medium 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 Devstral Medium and Phi-3.5-MoE-instruct?

Devstral Medium is developed by Mistral AI and Phi-3.5-MoE-instruct is developed by Microsoft.

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