> Microsoft has 7 models on The Model Index, from Phi-2 (Dec 2023) to MAI-1-preview (28 Aug 2025). Its strongest is Phi-4, with an index score of 112 (GPT-4 = 100), rank 153 of 229. 6 have open weights.

[Models](https://themodelindex.org/models/) /[Labs](https://themodelindex.org/labs/) /

Microsoft

Lab · 7 models · since Dec 2023

# Microsoft

Microsoft has 7 models on The Model Index, from Phi-2 (Dec 2023) to MAI-1-preview (28 Aug 2025). Its strongest is Phi-4, with an index score of 112 (GPT-4 = 100), rank 153 of 229. 6 have open weights.

7

models tracked

6 open · 1 closed

112

index score of Phi-4

#153 of 229 models

28 Aug 2025

latest release

MAI-1-preview

6

current versions

1 replaced by newer ones

## Every model · newest first

| | MODEL | RELEASED | WEIGHTS | INDEX SCORE | INPUT $/M | OUTPUT $/M | CONTEXT |
| --- | --- | --- | --- | --- | --- | --- | --- |
| | [MAI-1-preview](https://themodelindex.org/models/mai-1-preview/) | 28 Aug 2025 | CLOSED | not scored yet | – | – | – |
| | [Phi-4-reasoning](https://themodelindex.org/models/phi-4-reasoning/) | 30 Apr 2025 | OPEN | not scored yet | – | – | – |
| 153 | [Phi-4](https://themodelindex.org/models/phi-4/) | 12 Dec 2024 | OPEN | 112 | $0.070 | $0.14 | 16K |
| 195 | [Phi-3](https://themodelindex.org/models/phi-3/) | 23 Apr 2024 | OPEN | 94 | – | – | – |
| | [phi-3-mini 3.8B](https://themodelindex.org/models/phi-3-mini-3-8b/) | 23 Apr 2024 | OPEN | not scored yet | – | – | – |
| 186 | [WizardLM-2 8x22B](https://themodelindex.org/models/wizardlm-2-8x22b/) | 15 Apr 2024 | OPEN | 99 | $0.62 | $0.62 | 66K |
| | [Phi-2 replaced](https://themodelindex.org/models/phi-2/) | 12 Dec 2023 | OPEN | not scored yet | – | – | – |

Index score is fitted from independent evaluations and scaled so GPT-4 = 100; a striped bar is an estimate for a model not yet independently tested. Prices are list prices per million tokens.

## Release history · 5 announcements

[The Race →](https://themodelindex.org/race/)

| DATE | RELEASE | KIND | SOURCE |
| --- | --- | --- | --- |
| 28 Aug 2025 | MAI-1-preview | Flagship | no link |
| 30 Apr 2025 | Phi-4-reasoning | Open weights | [huggingface.co ↗](https://huggingface.co/microsoft/Phi-4-reasoning) |
| 12 Dec 2024 | Phi-4 | Open weights | no link |
| 23 Apr 2024 | Phi-3 | Open weights | [huggingface.co ↗](https://huggingface.co/microsoft/Phi-3-mini-4k-instruct) |
| 12 Dec 2023 | Phi-2 | Open weights | [huggingface.co ↗](https://huggingface.co/microsoft/phi-2) |

Dates come from each lab's own announcement, linked where one exists.

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Source: https://themodelindex.org/labs/microsoft/ · The Model Index · data as of 2026-10-01