Model Tracker
MAI-DS-R1
MAI-DS-R1 is an AI model made by Microsoft. Microsoft retired it on 27 February 2026. It takes text and returns text. Its context window is 163,840 tokens.
MAI-DS-R1 is an AI model made by Microsoft. Microsoft retired it on 27 February 2026. It takes text and returns text. Its context window is 163,840 tokens. Its longest answer is 163,840 tokens. Its weights are open. Its licence is mit.
- Released
- Not confirmed: The Microsoft pages reviewed do not print a precise first-availability date for MAI-DS-R1.
- Status
- Not confirmed: two readings disagree: retired and ga
- Takes
- Text — learn.microsoft.com, read 16 October 2026
- Returns
- Text — learn.microsoft.com, read 16 October 2026
- Open weights
- Yes — techcommunity.microsoft.com, read 16 October 2026
- Licence
- mit — huggingface.co, read 16 October 2026
- Context window
- 163,840 tokens — learn.microsoft.com, read 16 October 2026
- Longest answer
- 163,840 tokens — learn.microsoft.com, read 16 October 2026
- Knowledge cutoff
- Not confirmed: The model card says the model shares DeepSeek-R1’s knowledge cutoff, but does not state the cutoff date itself.
- API price, input
- Not confirmed: The Microsoft pricing page lists `$-` for MAI-DS-R1 input pricing, not a numeric standard-tier price per 1,000,000 tokens.
- API price, output
- Not confirmed: The Microsoft pricing page lists `$-` for MAI-DS-R1 output pricing, not a numeric standard-tier price per 1,000,000 tokens.
- Where
- Not confirmed: two readings disagree: weights and api, weights
- Parameters
- 671,000,000,000 — huggingface.co, read 16 October 2026
- Model card
- https://huggingface.co/microsoft/MAI-DS-R1 — huggingface.co, read 16 October 2026
Questions
What is the context window of MAI-DS-R1?
The context window of MAI-DS-R1 is 163,840 tokens, as Microsoft prints it.
Are the weights of MAI-DS-R1 open?
Yes: Microsoft publishes the weights of MAI-DS-R1 for download.
What is the licence of MAI-DS-R1?
The licence of MAI-DS-R1 is mit, as Microsoft names it.
What does MAI-DS-R1 take and return?
MAI-DS-R1 takes text and returns text.
How many parameters does MAI-DS-R1 have?
MAI-DS-R1 has 671,000,000,000 parameters, as Microsoft publishes it.
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Sources
- Featured models of Foundry model catalog - Azure Machine Learning | Microsoft Learn (read 16 October 2026)
- Retired Microsoft Foundry Models - Microsoft Foundry | Microsoft Learn (read 16 October 2026)
- microsoft/MAI-DS-R1 · Hugging Face (read 16 October 2026)
- Introducing MAI-DS-R1 | Microsoft Community Hub (read 16 October 2026)
- Foundry Models Pricing | Microsoft Azure (read 16 October 2026)