Microsoft model product
MAI Thinking 1 is Microsoft's 35B-active / ~1T-total parameter sparse Mixture of Experts reasoning model with a 256k token context window.
Updated Sep 8, 2026. Default version: MAI-Thinking-1
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Benchmark scores for MAI-Thinking-1.
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkAdvancedIF | Score85.00% | Rank01 | Participants2 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkAIR-Bench | Score88.00% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkCorpusQA | Score82.00% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkCyberSecEval 4 | Score63.00% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkGraphWalks | Score90.00% | Rank01 | Participants3 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkLongFact | Score98.00% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkSimpleQA Verified | Score31.00% | Rank01 | Participants2 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkTruthfulQA | Score88.00% | Rank01 | Participants18 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkBFCL-v3 | Score72.00% | Rank04 | Participants19 | Percentile83.33% | EvidenceC | Evaluated |
| BenchmarkLongBench v2 | Score61.00% | Rank07 | Participants17 | Percentile62.50% | EvidenceC | Evaluated |
| BenchmarkAIME 2026 | Score94.50% | Rank09 | Participants22 | Percentile61.90% | EvidenceC | Evaluated |
| BenchmarkHMMT Feb 26 | Score84.90% | Rank09 | Participants12 | Percentile27.27% | EvidenceC | Evaluated |
| BenchmarkMedXpertQA | Score43.00% | Rank09 | Participants12 | Percentile27.27% | EvidenceC | Evaluated |
| BenchmarkHealthBench Professional | Score35.00% | Rank10 | Participants10 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkLiveCodeBench v6 | Score87.70% | Rank10 | Participants62 | Percentile85.25% | EvidenceC | Evaluated |
| BenchmarkAIME 2025 | Score97.00% | Rank15 | Participants119 | Percentile88.14% | EvidenceC | Evaluated |
| BenchmarkMulti-Challenge | Score53.00% | Rank16 | Participants29 | Percentile46.43% | EvidenceC | Evaluated |
| BenchmarkMMLU-Pro | Score85.00% | Rank24 | Participants138 | Percentile83.21% | EvidenceC | Evaluated |
| BenchmarkIFBench | Score69.00% | Rank28 | Participants39 | Percentile28.95% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Pro | Score52.80% | Rank43 | Participants55 | Percentile22.22% | EvidenceC | Evaluated |
| BenchmarkTerminal-Bench 2.0 | Score46.00% | Rank43 | Participants51 | Percentile16.00% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Verified | Score73.50% | Rank44 | Participants113 | Percentile61.61% | EvidenceC | Evaluated |
| BenchmarkGPQA | Score84.20% | Rank68 | Participants247 | Percentile72.76% | EvidenceC | Evaluated |
Preference and agent-evaluation results for the default version.
The default version does not have a matching Arena result yet.
Official vendor API pricing appears first, followed by individual provider offers.
The default version has no current input or output token prices.
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Provider-specific output speed and catalog latency for MAI-Thinking-1. Runtime does not affect the capability score.
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Technical details for the model's default version.
Available versions of this model. The score column identifies the version used in the overall ranking.
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionMAI-Thinking-1 | Released | LLMBoard53.53 | Parameters1T | ContextN/A | Max outputN/A | Open weightsNo | LicenseProprietary |
Recommendations prioritize the same model type and family, then the closest LLMBoard score.
Key information about MAI Thinking 1 and its available data.
MAI Thinking 1 is Microsoft's first in-house reasoning model, based on MAI-Base-1 and trained from scratch without distillation from third-party models. It supports function calling and developer instructions and was post-trained for STEM, agentic coding, helpfulness, and safety.
Data as of 2026-09-08.
Common questions about MAI Thinking 1.
MAI Thinking 1's default version was released on Jun 2, 2026.
No official standard PAYG price is currently available for MAI Thinking 1.
MAI Thinking 1 was created by Microsoft.
A context window is not available for the default version.
No. The default version is not marked as having publicly available weights.
No provider offering is currently linked to the default version.