MAI DS R1
microsoft/MAI-DS-R1
Open Source · chat · open-weights
Context
128K
Max output
8.2K
Input $/1M
$1.35
Output $/1M
$5.40
Modalities
text
Released
16 Apr 2025
License: mit · microsoft/MAI-DS-R1
AI summary
● machine-written
Microsoft releases MAI-DS-R1, DeepSeek-R1 variant with safety improvements
MAI-DS-R1 is a post-trained variant of DeepSeek-R1 developed by Microsoft to improve responsiveness on previously restricted topics while enhancing safety. The model integrates examples from the Tulu-3 SFT dataset and 350k multilingual safety-alignment samples. It retains strong reasoning and coding capabilities while reducing harmful content leakage. The model is available as open-weights under MIT license.
What's new
- Based on DeepSeek-R1 reasoning architecture with safety fine-tuning
- Integrates 110k Tulu-3 SFT examples and 350k internally curated safety-alignment samples
- Surpasses R1-1776 in satisfaction metrics for previously blocked queries
- Demonstrates improved performance on harm mitigation benchmarks
Best for
Multi-step reasoning and analysis tasksGeneral-purpose conversational applicationsCoding and problem-solvingUse cases requiring safety-aligned responses