Identity
- Status
- preview
- Developer ID
gemini-3.1-pro-preview- Released
- Not reported
- Version
- Gemini 3.1 Pro
- License
- Unknown
Google DeepMindGemini 3.1 Pro
Gemini 3.1 Pro Preview is Google DeepMind's multimodal Pro model for software engineering and agentic workflows.
- Context
- 1,048,576 tokens
- Inputs
- Text, Image, Video, Audio, Document
- Outputs
- Text
- Released
- Not reported
Providers & Pricing
Estimate workload cost →| Provider | Input / 1M | Output / 1M | Cache read / 1M | Cache write / 1M | Observed | Evidence |
|---|---|---|---|---|---|---|
Google AIAvailable | $2.00 | $12.00 | $0.20 | — | Aug 29, 2026 | Provider-reported |
Benchmarks
All benchmark results →| Gemini 3.1 ProGoogle DeepMind | LiveBench2026-06-25 | 81.66 | 13,380 | 1,270 | gemini-3.1-pro-preview-highaverage per case | Recomputedwinner eligible | Third-party benchmark |
| Gemini 3.1 ProGoogle DeepMind | LMArena Agent Arenaagent-2026-08-31-011508720696 | -3.13 | — | 83,248 | Gemini 3.1 Pro Preview; 95% CI [-4.00806078, -2.24630473]; sessions 83248; observations 2709356; rank 40unknown | Original sourcewinner eligible | Third-party benchmark |
| Gemini 3.1 ProGoogle DeepMind | LMArena Document Arenadocument-2026-07-30-011508720696 | 1,445.32 | — | 45,162 | gemini-3.1-pro-preview; 95% CI [1439.35538449, 1451.29339146]; votes 45162; rank 23unknown | Original sourcewinner eligible | Third-party benchmark |
| Gemini 3.1 ProGoogle DeepMind | LMArena Search Arenasearch-2026-08-24-011508720696 | 1,210.46 | — | 113,282 | gemini-3.1-pro-grounding; 95% CI [1205.32063396, 1215.60669852]; votes 113282; rank 9unknown | Original sourcewinner eligible | Third-party benchmark |
| Gemini 3.1 ProGoogle DeepMind | LMArena Text Arenatext-2026-09-01-011508720696 | 1,480.10 | — | 102,763 | gemini-3.1-pro-preview; 95% CI [1476.89767236, 1483.30025658]; votes 102763; rank 11unknown | Original sourcewinner eligible | Third-party benchmark |
| Gemini 3.1 ProGoogle DeepMind | LMArena Vision Arenavision-2026-08-27-011508720696 | 1,295.39 | — | 39,412 | gemini-3.1-pro-preview; 95% CI [1289.75236576, 1301.03738662]; votes 39412; rank 17unknown | Original sourcewinner eligible | Third-party benchmark |
| Gemini 3.1 ProGoogle DeepMind | ToneBench2026-08-14-10-task | 80.16 | 8,033 | 50 | Gemini 3.1 Pro (default)average per case | Original sourcewinner eligible | Third-party benchmark |
| Gemini 3.1 ProGoogle DeepMind | ToneBench2026-08-14-10-task | 80.00 | 8,095 | 50 | Gemini 3.1 Pro (high thinking)average per case | Original sourcewinner eligible | Third-party benchmark |
| Gemini 3.1 ProGoogle DeepMind | ToneBench2026-08-14-10-task | 78.58 | 4,184 | 50 | Gemini 3.1 Pro (low thinking)average per case | Original sourcewinner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Context
- 1,048,576 tokens
- Maximum output
- 65,536 tokens
- Total parameters
- Unknown
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Text, Image, Video, Audio, Document
- Outputs
- Text
- API available
- Yes
- Open weights
- No
- Self-hostable
- No
- Reasoning
- Yes
- Vision
- Yes
- Tool calling
- Yes
- Capabilities
- chat, generation, reasoning, tools
This page represents one immutable developer model ID. Serving endpoints, pricing, regions, quantizations, and service tiers attach separately and never create duplicate model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesgemini-3.1-pro-preview, gemini-3.1-pro-preview-customtools
Explicit Unknowns
- Release date
- Architecture
- Tokenizer
- Knowledge cutoff
Primary Evidence
Sources and Observation Date
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
Gemini 3.1 ProGoogle DeepMind | vs | Claude Fable 5.1Anthropic | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs | Claude Mythos 5.1Anthropic | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs |  DeepSeek-V4-Flash-Vision-ExpDeepSeek | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs |  Hy4 previewTencent | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs | Gemini 2.5 ProGoogle DeepMind | family variantstext |
Gemini 3.1 ProGoogle DeepMind | vs | Gemini 3.5 FlashGoogle DeepMind | family variantstext |
Gemini 3.1 ProGoogle DeepMind | vs |  GLM-5V-TurboZ.ai | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs | Gemini Deep ResearchGoogle DeepMind | family variantstext |
Gemini 3.1 ProGoogle DeepMind | vs | Gemini Deep Research MaxGoogle DeepMind | family variantstext |
Gemini 3.1 ProGoogle DeepMind | vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs | Pixtral LargeMistral AI | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs |  GPT-4.1OpenAI | cross-developer peerstext |
Questions
Gemini 3.1 Pro FAQs
What is Gemini 3.1 Pro?+
Gemini 3.1 Pro Preview is Google DeepMind's multimodal Pro model for software engineering and agentic workflows. It is developed by Google DeepMind and its current sourced lifecycle status is preview.
What inputs and outputs does Gemini 3.1 Pro support?+
Gemini 3.1 Pro's current record lists Text, Image, Video, Audio, and Document as input and Text as output.
How much context does Gemini 3.1 Pro support?+
The current record lists a 1,048,576-token context window and a maximum output of 65,536 tokens.
Is Gemini 3.1 Pro available through an API?+
Gemini 3.1 Pro is marked as API-available. The directly sourced provider records currently include Google AI.
How much does Gemini 3.1 Pro cost through an API?+
The lowest directly sourced prices currently attached to Gemini 3.1 Pro are $2.00 per million input tokens through Google AI and $12.00 per million output tokens through Google AI. Prices are provider-specific and should be checked against each cited observation date.
What capabilities and tasks does Gemini 3.1 Pro support?+
Gemini 3.1 Pro's recorded capabilities are chat, generation, reasoning, and tools. Its supported tasks are audio, document, image, text, and video.
Can Gemini 3.1 Pro be self-hosted?+
Gemini 3.1 Pro is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.
Does Gemini 3.1 Pro have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are gemini-3.1-pro-preview and gemini-3.1-pro-preview-customtools.
Which models can Gemini 3.1 Pro be compared with?+
The current compatible peer set includes Claude Fable 5.1, Claude Mythos 5.1, DeepSeek-V4-Flash-Vision-Exp, Hy4 preview, and Gemini 2.5 Pro. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →
How current is the Model Markets record for Gemini 3.1 Pro?+
Gemini 3.1 Pro was last verified Aug 29, 2026 from Google DeepMind's primary source, “Gemini 3.1 Pro Preview | Gemini API.” The evidence is classified as official fact.