# o3 (Azure)

`o3` — **azure** · CHAT

> o3 (Azure) (o3) is a chat model from azure with a 200K-token context window; proprietary (API-only); capabilities tools, vision, reasoning; input image, pdf, text; output text.

| Field | Value |
| --- | --- |
| Vendor | azure |
| Kind | CHAT |
| Context window | 200,000 tokens |
| Max output tokens | 100,000 tokens |
| Indicative price (US list) | $2 in / $8 out per 1M tokens (indicative US list — verify with vendor) |
| Input modalities | image, pdf, text |
| Output modalities | text |
| Capabilities | tools, vision, reasoning |
| Weights | Proprietary (API-only) |
| Knowledge cutoff | 2024-05 |
| Release date | 2025-04-16 |
| Sources | litellm, models-dev, overrides |
| Last verified | 2026-11-05 |

*Part of the [Model Catalog](https://models.viglet.org/) — [azure models](https://models.viglet.org/models/azure/) · [Vendor JSON](https://models.viglet.org/by-vendor/azure.json) · [HTML](https://models.viglet.org/models/azure/o3.html)*