Deep Research Preview (Apr-21-2026)
API ID deep-research-preview-04-2026
deep-research-preview-04-2026 is a preview Google model, released April 2026. It has a 1,048,576-token context window and up to 65,536 output tokens. It takes image and PDF input.
Preview release (April 21th, 2026) of Deep Research
- Status
- Active
- Released
- April 2026
- Shutdown
- none announced
- Replacement
- —
No deprecation or shutdown date has been announced as of October 15, 2026.
Features
Compare models| Feature | Value | Since | Source |
|---|---|---|---|
| Image inputImages such as screenshots, photos and charts can go in the prompt for the model to read. | Supported | first seen October 6, 2026 | source |
| PDF inputPDF files can go in the prompt directly, without converting them to text first. | Supported | first seen October 6, 2026 | source |
| Context windowThe most the model can work with in one request, in tokens: your prompt, conversation history and files. A token is about three-quarters of an English word. | 1,048,576 tokens | first seen October 6, 2026 | source |
| Max output tokensThe longest reply the model can write in one response, in tokens. A token is about three-quarters of an English word. | 65,536 tokens | first seen October 6, 2026 | source |
Not published by Google: Structured outputs, Function calling, Prompt caching, Batch API, Reasoning / thinking, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs.
Price history
USD per 1M tokens, standard tierNo price history yet.
Prices
USD per 1M tokens, every type and band, by tierNo published prices.
Changelog
Changes we detected on Google's pages- Feature listed
deep-research-preview-04-2026: PDF input supported
Info
- Feature listed
deep-research-preview-04-2026: Image input supported
Info
- Feature listed
deep-research-preview-04-2026: Max output tokens 65,536 tokens
Info
- Feature listed
deep-research-preview-04-2026: Context window 1,048,576 tokens
Info
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Last checked · Sources: Google deprecations, Google pricing, Google models, Google aliases, Google api models