GoogleAIWS category: Reasoning & MultimodalPreview
Gemini 3.1 Pro Preview
Google Gemini 3.1 Pro Preview, a multimodal preview model for software engineering and agentic workflows.
Facts Verified
Sep 21, 2026
Verification
Verified
Profile
Source-backed
Context
1,048,576 tokens
Max output
65,536 tokens
API
Available
Specifications
Context
1,048,576 tokens
Max output
65,536 tokens
CompanyGoogle
Release DateFeb 19, 2026
Provider statusPreview
LicenseNot published
API availabilityAvailable
Capability Map
Verified fieldsReasoning
Supported
Image input
Supported
Audio input
Supported
Video input
Supported
API access
Available
Native input modalities
textimagevideoaudiopdf
Native output: text
Native output is what the model returns directly. Tool capabilities are separate.
Developer API Rates
Verified public rateInput / 1M
$2.00
Output / 1M
$12.00
Cached $0.2000 / 1MAbove 200,000 tokens
Long-context rate: $4.00 input · $18.00 output / 1M tokens
Standard pricing uses the higher tier above 200K prompt tokens; cached input is $0.40/MTok in that tier.
Verified Capabilities
- 1,048,576 tokens published context window
- 65,536 tokens published maximum output
- Reasoning support listed by the provider
- Multimodal input: text, image, video, audio, pdf
Pricing & Availability Notes
- Preview status; availability may change
- Separate long-context pricing applies: Above 200,000 tokens
- Standard pricing uses the higher tier above 200K prompt tokens; cached input is $0.40/MTok in that tier.
Provider API model ID
Use this identifier in the provider API where supported.
gemini-3.1-pro-preview