GoogleReasoning & MultimodalPreview
Gemini 3.1 Pro Preview
Google's high-capability Gemini Pro model currently offered in Preview.
Facts Verified
Aug 25, 2026
Status
Preview
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 DateNot published
StatusPreview
License / AvailabilityDirect API available
Capability Map
Verified fieldsReasoning
Supported
Vision
Supported
Audio
Supported
Video
Supported
API
Supported
Open weights
Not published
Input modalities
textimagevideoaudioPDF
Output: text
Developer API Rates
Public rateInput / 1M
$2.00
Output / 1M
$12.00
Cached $0.2000 / 1MLong context from 200,000 tokens
Long-context rate: $4.00 input · $18.00 output / 1M tokens
Published standard rate applies to prompts up to 200K tokens.
For prompts above 200K tokens, Google lists $4 input, $18 output, and $0.40 cached input per million tokens.
Context-cache storage is separately priced by Google.
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
- A separate long-context pricing tier starts at 200,000 tokens
- Preview status; availability and pricing should be rechecked before major editorial comparisons.
- Published standard rate applies to prompts up to 200K tokens.
Provider API model ID
Use this identifier in the provider API where supported.
gemini-3.1-pro-previewSources & Freshness
Verified Aug 25, 2026Preview status; availability and pricing should be rechecked before major editorial comparisons.