As of: 2026-10-17 02:25 CEST.
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Canonical page: https://postcutoff.com/p/2026-10-15-mustafasuleyman-mai-3t-base-models/

# Mustafa Suleyman: MAI now has state-of-the-art pre-trained base models 'in the 3T-parameter weight class'

Mustafa Suleyman (@mustafasuleyman), X, 2026-10-15.
Source: https://x.com/mustafasuleyman/status/2110766651344146564

## Why it matters

Microsoft AI CEO's announcement of MAI-Base-2; ~1.2M views, the highest-reach post in the Oct 16 sweep's X list.

## Summary

Announcement post (~1.2M views, ~3.1k likes by Oct 16 per fxtwitter): 'We now have state-of-the-art pre-trained base models in the 3T-parameter weight class, built entirely in-house at MAI. Post-training results coming soon -- stay tuned!' Links the technical post microsoft.ai/news/frontier-pre-training-at-microsoft-ai/. A follow-up (https://x.com/mustafasuleyman/status/2110766654863167694, ~16k views) says: 'On held-out code, we matched DeepSeek-V4-Pro-Base's pre-trained score using 12x less training compute.'

## Archived text

> We now have state-of-the-art pre-trained base models in the 3T-parameter weight class, built entirely in-house at MAI.
> 
> Post-training results coming soon -- stay tuned!
> 
> Lots of details in our technical blog post.
> 
> https://microsoft.ai/news/frontier-pre-training-at-microsoft-ai/

Archived 2026-10-16 via fxtwitter (unofficial).
Counts: 1,206,151 views, 3,100 likes, 308 reposts, 137 replies (at fetch time)

## Cited in

- 2026-10-15: [Microsoft AI's MAI-Base-2 base model](https://postcutoff.com/e/2026-10-15-microsoft-mai-base-2-pretraining/)