GPAI Ledger › GPAI Training Transparency tracker (AI Accountability Lab (AIAL)) › Capture 12 Sep 2026

MAI_DS_R1_2026_09_11 — capture 20260912T063628Z

Filed under AI Accountability Lab (AIAL) — GPAI Training Transparency tracker, the source this project captured it from; the document itself is the filing of the model named above.

Verify: sha256sum 30287de14e130953cdd1c139e683002dfa6a61d68f026f9ca130bb5a447b2caa.pdf must equal the hash above (the filename IS the expected hash); ots verify 30287de14e130953cdd1c139e683002dfa6a61d68f026f9ca130bb5a447b2caa.pdf.20260912T063628Z.ots -f 30287de14e130953cdd1c139e683002dfa6a61d68f026f9ca130bb5a447b2caa.pdf (opentimestamps.org) proves the bytes existed no later than the attestation time — an upper bound on the capture time; the fetch time above is the archive's own record (a freshly captured proof reports 'pending' here: the calendars anchor within hours, but this archive only upgrades the stored proof to its anchor on a later run, so expect a day or two). ots verify needs a local Bitcoin Core node (a pruned one is fine); without one, ots info on the proof prints the attesting block height and merkle path to check on any block explorer.

Extracted text

Machine-extracted text (layout may be lost; the authoritative content is the stored file above).

Data Summary for microsoft_MAI-DS-R1
1. General information
1.0.1 Version of the Summary:1.0
1.0.2 Last update:10-Dec-2025
1.1 Model Developer Identification
1.1.1 Model Developer name and contact details:Microsoft Corporation
at One Microsoft Way, Redmond, W A 98052. Tel: 425-882-8080
1.2 Model Identification
1.2.1 Versioned model name(s):MAI-DS-R1
1.2.2 Model release date:April 2025
1.3 Overall training data size and characteristics
1.3.1 Size of dataset and characteristics
1.3.1.A Text training data size:Not applicable. Text data is not part of the
training data
1.3.1.B Text training data content:Not applicable
1.3.1.C Image training data size:Not applicable. Images are not part of
the training data
1.3.1.D Image training data content:Not applicable
1.3.1.E Audio training data size:Not applicable. Audio data is not part of
the training data
1.3.1.F Audio training data content:Not applicable
1.3.1.G Video training data size:Not applicable. Video data is not part of
the training data
1.3.1.H Video training data content:Not applicable
1.3.1.I Other training data size:The model was post-trained using 110k
Safety and Non-Compliance examples from the Tulu 3 SFT dataset and ~350k
multilingual examples internally developed capturing various topics with reported
biases
1.3.1.J Other training data content:Safety and Non-Compliance examples
from Tulu 3 SFT and internally developed multilingual examples addressing
various topics with reported biases
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1.3.2 Latest date of data acquisition/collection for model training:
March 2025
1.3.3 Is data collection ongoing to update the model with new data
collection after deployment?No
1.3.4 Date the training dataset was first used to train the model:
March 2025
1.3.5 Rationale or purpose of data selection:The post-training data
combined safety and non-compliance examples and a large multilingual set
addressing reported biases to improve responsiveness on previously blocked topics
and reduce harmful or unsafe outputs while preserving reasoning capabilities
2. List of data sources
2.1 Publicly available datasets
2.1.1 Have you used publicly available datasets to train the model?
Yes
2.2 Private non-publicly available datasets obtained from
third parties
2.2.1 Datasets commercially licensed by rights holders or their repre-
sentatives
2.2.1.A Have you concluded transactional commercial licensing agree-
ment(s) with rights holder(s) or with their representatives?Not appli-
cable
2.2.2 Private datasets obtained from other third-parties
2.2.2.A Have you obtained private datasets from third parties that
are not licensed as described in Section 2.2.1, such as data obtained
from providers of private databases, or data intermediaries?No
2.3 Personal Information
2.3.1 Was personal data used to train the model?Microsoft follows all
relevant laws and regulations pertaining to personal information
2.4 Synthetic data
2.4.1 Was any synthetic AI-generated data used to train the model?
Yes
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3. Data processing aspects
3.1 Respect of reservation of rights from text and data mining excep-
tion or limitation
3.1.1 Does this dataset include any data protected by copyright,
trademark, or patent?Microsoft follows all required regulations and laws for
processing data protected by copyright, trademark, or patent
3.2 Other information
3.2.1 Does the dataset include information about consumer groups
without revealing individual consumer identities?Microsoft follows all
required regulations and laws for protecting consumer identities
3.2.2 Was the dataset cleaned or modified before model training?Yes
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