Microsoft, open weights

# Phi-1.5

> Phi-1.5 by Microsoft, released September 2023. 7 published benchmark results. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/phi-1-5
- Last updated: 2026-10-10
- Title: Phi-1.5 Benchmarks, Price & Rank (October 2026) | Noometry

Phi-1.5 by Microsoft has 7 published benchmark results on Noometry, not yet enough to be ranked.

Last verified October 10, 2026

## Specifications

- **Noometry rank:** Unranked
- **Index score:** Not ranked
- **Evidence:** 7 results
- **Provider:** [![](/logos/microsoft.svg) Microsoft](https://noometry.com/providers/microsoft)
- **Released:** September 11, 2023
- **Weights:** Open weights
- **Reasoning:** Unknown
- **Context window:** —
- **Max output:** —
- **Input price:** Not listed
- **Output price:** Not listed
- **Blended price:** Not listed
- **Output speed:** Not measured
- **Value:** Not ranked
- **Knowledge cutoff:** Unknown

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## Benchmark results

Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.

### Reasoning

Phi-1.5 Reasoning benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [Epoch Capabilities Index](https://noometry.com/benchmarks/epoch-capabilities-index) | 91.53 | #209 of 213, top 99% |  | [Epoch AI](https://epoch.ai/eci) | 2023-09-11 |
| [HellaSwag](https://noometry.com/benchmarks/hellaswag) | 47.6% | #29 of 29, top 100% | 5 | [Epoch AI](https://epoch.ai/benchmarks) |  |
| [WinoGrande](https://noometry.com/benchmarks/winogrande) | 73.4% | #26 of 43, top 61% | 5 | [Epoch AI](https://epoch.ai/benchmarks) |  |

### Knowledge

Phi-1.5 Knowledge benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [ARC (AI2) Challenge](https://noometry.com/benchmarks/arc-challenge) | 44.4% | #32 of 39, top 83% | 5 | [Epoch AI](https://epoch.ai/benchmarks) |  |
| [BoolQ](https://noometry.com/benchmarks/boolq) | 75.8% | #20 of 23, top 87% | 5 | [Epoch AI](https://epoch.ai/benchmarks) |  |
| [MMLU](https://noometry.com/benchmarks/mmlu) | 37.6% | #76 of 81, top 94% | 5 | [Epoch AI](https://epoch.ai/benchmarks) |  |
| [OpenBookQA](https://noometry.com/benchmarks/openbookqa) | 37.2% | #19 of 19, top 100% | 5 | [Epoch AI](https://epoch.ai/benchmarks) |  |

## Compare Phi-1.5

-   [Phi-1.5 vs GPT-6 Astra](https://noometry.com/compare/gpt-6-astra-vs-phi-1-5)
-   [Phi-1.5 vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-phi-1-5)
-   [Phi-1.5 vs Claude Opus 5.5](https://noometry.com/compare/claude-opus-5-5-vs-phi-1-5)
-   [Phi-1.5 vs Claude Opus 5](https://noometry.com/compare/claude-opus-5-vs-phi-1-5)
-   [Phi-1.5 vs Claude Fable 5](https://noometry.com/compare/claude-fable-5-vs-phi-1-5)
-   [Phi-1.5 vs GPT-6.1 Sol](https://noometry.com/compare/gpt-6-1-sol-vs-phi-1-5)
-   [Phi-1.5 vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-phi-1-5)
-   [Phi-1.5 vs Kimi K3](https://noometry.com/compare/kimi-k3-vs-phi-1-5)
-   [Phi-1.5 vs Grok 4.6](https://noometry.com/compare/grok-4-6-vs-phi-1-5)
-   [Phi-1.5 vs Qwen3.8 Max](https://noometry.com/compare/phi-1-5-vs-qwen3-8-max)
-   [Phi-1.5 vs GLM-5.3](https://noometry.com/compare/glm-5-3-vs-phi-1-5)
-   [Phi-1.5 vs Muse Spark 1.3](https://noometry.com/compare/muse-spark-1-3-vs-phi-1-5)
-   [Phi-1.5 vs DeepSeek V4 Pro](https://noometry.com/compare/deepseek-v4-pro-vs-phi-1-5)
-   [Phi-1.5 vs MiMo-V2.6-Pro](https://noometry.com/compare/mimo-v2-6-pro-vs-phi-1-5)

## Other Microsoft models

-   [Wizardlm 70b](https://noometry.com/models/wizardlm-70b)33.0
-   [Phi 3 Medium 4k Instruct](https://noometry.com/models/phi-3-medium-4k-instruct)33.0
-   [Wizardlm 13b](https://noometry.com/models/wizardlm-13b)31.4
-   [Phi 3 Mini 4k Instruct June 2024](https://noometry.com/models/phi-3-mini-4k-instruct-june)31.3
-   [Phi-4](https://noometry.com/models/phi-4)31.2
-   [Phi-4 Mini](https://noometry.com/models/phi-4-mini)30.9
-   [Phi 3 Mini 128k Instruct](https://noometry.com/models/phi-3-mini-128k-instruct)29.7
-   [phi-3-medium 14B](https://noometry.com/models/phi-3-medium-14b)29.7

## Frequently asked questions

### How good is Phi-1.5?

Phi-1.5 by Microsoft has 7 published benchmark results on Noometry, not yet enough to be ranked.

### Is Phi-1.5 open source?

Yes. Phi-1.5's weights are downloadable; check the license for commercial terms.

### Cite this page

Noometry. (2026). Phi-1.5 benchmarks and pricing. Retrieved October 10, 2026, from https://noometry.com/models/phi-1-5

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/phi-1-5.md).