# Deep Research Preview (Apr-21-2026)

`deep-research-preview-04-2026` — **gemini** · CHAT

> Deep Research Preview (Apr-21-2026) (deep-research-preview-04-2026) is a chat model from gemini with a 131.1K-token context window; proprietary (API-only); capabilities vision, tools, reasoning; input audio, image, pdf, text, video; output image, text.

| Field | Value |
| --- | --- |
| Vendor | gemini |
| Kind | CHAT |
| Context window | 131,072 tokens |
| Max output tokens | 65,536 tokens |
| Indicative price (US list) | $2 in / $12 out per 1M tokens (indicative US list — verify with vendor) |
| Input modalities | audio, image, pdf, text, video |
| Output modalities | image, text |
| Capabilities | vision, tools, reasoning |
| Weights | Proprietary (API-only) |
| Knowledge cutoff | 2025-01 |
| Release date | 2026-04-21 |
| Sources | gemini-api, litellm, models-dev |
| Last verified | 2026-11-05 |

*Part of the [Model Catalog](https://models.viglet.org/) — [gemini models](https://models.viglet.org/models/gemini/) · [Vendor JSON](https://models.viglet.org/by-vendor/gemini.json) · [HTML](https://models.viglet.org/models/gemini/deep-research-preview-04-2026.html)*