Gemini 3 Deep Think is Google's language model. A deep-thinking variant of Gemini 3 applying extended chain-of-thought reasoning for highly complex analytical and scientific tasks.
Specifications
Canonical IDgoogle-gemini-3-deep-think
TypeLanguage
StatusActive
CreatorGoogleGoogle
Input ModalitiesText
Output ModalitiesText
Benchmarks
Time to First Token
#151
Output TPS
#392

Capabilities

Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Gemini 4 Argon1.0M$2.00$10.00Available
Gemini 4 Carbon————Available
Gemini 3.8 Flash1.0M$0.375$1.88Available
Gemini 3.5 Flash Lite1.0M$0.150$1.25Available
Gemini 3.1 Flash Lite Image66K$0.250$1.50Available
Gemini 3 Pro Image131K$2.00$12.00Available
Gemini 3.1 Flash Image131K$0.250$1.50Available
Gemini 3.1 Flash Lite1.0M$0.125$0.750Deprecating
Gemini 3.1 Flash Lite1.0M$0.125$0.750Available
Gemini 3.1 Flash Lite Preview1.0M$0.250$1.50Deprecated
Gemini 3 Deep Think————Current

Model IDs

gemini-3-deep-think
google-gemini-3-deep-think