Open-Source Microsoft Models

Quick answer · Updated June 2026

The best open-weight Microsoft model is Phi 4 (10.4 intelligence) — downloadable from Hugging Face and self-hostable. Phi 4 Mini Instruct (8.4) and WizardLM-2 8x22B (—) round out the top three.

10.4Intelligence

43 t/sSpeed

$0.065Input /M

16KContext

The best open-weight AI models — downloadable from Hugging Face and self-hostable — ranked by intelligence. Open-source alternatives to proprietary frontier models.

Frequently asked

What is the best open-source Microsoft model?

The best open-weight Microsoft model is Phi 4 (10.4 intelligence) — downloadable from Hugging Face and self-hostable. Phi 4 Mini Instruct (8.4) and WizardLM-2 8x22B (—) round out the top three.

What's a good alternative to Phi 4?

Phi 4 Mini Instruct (8.4) is the closest alternative on this metric, followed by WizardLM-2 8x22B (—). See the full ranking above for the tradeoffs.

How many Microsoft models are there?

modelgrep tracks 3 Microsoft models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Phi 4. 3 of them qualify for this ranking.

More Microsoft rankings

Microsoft: Smartest LLMs Microsoft: Best LLMs for Coding Microsoft: Best LLMs for Design & Frontend Microsoft: Fastest LLMs Microsoft: Lowest-Latency LLMs Microsoft: Cheapest LLMs Microsoft: Best Free LLMs Microsoft: Best Reasoning LLMs Microsoft: Best Vision LLMs Microsoft: Best LLMs for Agents Microsoft: Longest-Context LLMs

All rankings

Small & Fast LLMs Smartest LLMs Best LLMs for Coding Best LLMs for Design & Frontend Fastest LLMs Lowest-Latency LLMs Cheapest LLMs Best Free LLMs Best Reasoning LLMs Best Vision LLMs Best LLMs for Agents Longest-Context LLMs