How much does Deep Research Preview (Apr-21-2026) cost per month?

For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Deep Research Preview (Apr-21-2026) costs about $2,400 per month at Google's list prices ($2.00 per 1M input tokens, $12.00 per 1M output tokens).

Does Deep Research Preview (Apr-21-2026) support prompt caching?

Yes. Cached input costs $0.20 per 1M tokens, compared with $2.00 for regular input.

How long is Deep Research Preview (Apr-21-2026)'s context window?

Deep Research Preview (Apr-21-2026) accepts up to 131,072 tokens (131K) of context and returns up to 65,536 tokens per response.

Deep Research Preview (Apr-21-2026) API Pricing

Google · released Apr 21, 2026 · 131K context · API model ID deep-research-preview-04-2026

Deep Research Preview (Apr-21-2026) by Google API pricing: $2.00 per 1M input tokens and $12.00 per 1M output tokens (provider list price via models.dev, Oct 10, 2026).

Prices

Deep Research Preview (Apr-21-2026) prices, USD per 1M tokens
Price	USD per 1M tokens
Input	$2.00
Output	$12.00
Cache read	$0.20
Cache write	Not published

Google's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation

Estimated monthly cost

$2,400

per month

per day: $80.00
per request: $0.008

Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.

Compare this workload across models

Long-context prices

Prompts longer than the threshold are billed at a higher rate.

Prompts over	Input	Output	Cache read	Cache write
200,000 tokens	$4.00	$18.00	$0.40	Not published

Monthly cost by workload

Workload	Per month
Chatbot1,000 in / 500 out tokens, 10,000 requests a day	$2,400/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day	$3,300/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input	$1,560/mo

Context and capabilities

Context: 131,072 tokens
Max output: 65,536 tokens
Input: text, image, video, audio, pdf
Output: text, image
Knowledge cutoff: January 2025
Open weights: No
Tool calling: Yes
Reasoning: Yes
Structured outputs: No

Capabilities and limits as listed by models.dev.

Similarly priced models

Gemini 3.1 Pro Preview · $2.00 in / $12.00 out
Claude Sonnet 5.5 · $2.00 in / $10.00 out
GPT-6.1 Sol · $2.00 in / $10.00 out
Kimi K3 · $3.00 in / $15.00 out

Price history

No price changes since we started tracking on Oct 8, 2026.

Questions

How much does Deep Research Preview (Apr-21-2026) cost per month?: For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Deep Research Preview (Apr-21-2026) costs about $2,400 per month at Google's list prices ($2.00 per 1M input tokens, $12.00 per 1M output tokens).
Does Deep Research Preview (Apr-21-2026) support prompt caching?: Yes. Cached input costs $0.20 per 1M tokens, compared with $2.00 for regular input.
How long is Deep Research Preview (Apr-21-2026)'s context window?: Deep Research Preview (Apr-21-2026) accepts up to 131,072 tokens (131K) of context and returns up to 65,536 tokens per response.