Quick facts

Model ID deep-research-preview-04-2026

Source Google

Context Window 131072

Pricing $2.00 input / $12.00 output per 1M tokens

Capabilities tool calling, reasoning, temperature control

Model overview

Deep Research Preview (Apr-21-2026) is an AI model from Google with 131072 token context window and text, image, video, audio, pdf input support.

Published pricing is $2.00 input and $12.00 output per 1M tokens.

Workloads that use text, image, video, audio, pdf inputs with text, image outputs.
Agent and tool workflows that need function calling.
Reasoning-heavy prompts where stepwise problem solving matters.

Model ID deep-research-preview-04-2026

Provider Google

Family gemini-pro

Status -

Knowledge Cutoff 2025-01

Release Date 2026-04-21

Input Modalities text, image, video, audio, pdf

Output Modalities text, image

Context Window 131072

Input Limit -

Output Limit 65536

Tool Calling Yes

Reasoning Yes

Structured Output -

Temperature Control Yes

Open Weights No

Input Cost / 1M tokens $2.00

Output Cost / 1M tokens $12.00

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens $0.20

Cache Write Cost / 1M tokens -