Google DeepMindGemini 3.1 Pro

External Link

Gemini 3.1 Pro Preview is Google DeepMind's multimodal Pro model for software engineering and agentic workflows.

Token context
1,049K tokens
Inputs
Text, Image, Video, Audio, Document
Outputs
Text
Released
Not reported

Benchmark Market Position

Intelligence, Cost, and Efficiency

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The orange outline marks Gemini 3.1 Pro. Each available panel preserves its real rank and value; missing benchmark or pricing inputs remain explicitly unranked.

Providers & Pricing

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ProviderInput / 1MOutput / 1MCache read / 1MCache write / 1MObservedEvidence
$2.00$12.00$0.20—Aug 29, 2026Provider-reported
ARC-AGI-1verified-v1-613c385b0c9398.00percent——Gemini 3.1 Pro (Preview)unknownOriginal sourcewinner eligibleThird-party benchmark
ARC-AGI-2verified-v2-be40992860f977.08percent——Gemini 3.1 Pro (Preview)unknownOriginal sourcewinner eligibleThird-party benchmark
LiveBench2026-06-25-90f8d44da96581.66percent13,3801,270gemini-3.1-pro-preview-highaverage per caseRecomputedwinner eligibleThird-party benchmark
LMArena Agent Arenaagent-2026-10-16-a64ca3b12b6e-4.00score—87,236Gemini 3.1 Pro Preview; 95% CI [-5.35690873, -2.63856355]; sessions 87236; observations 2815597; rank 39unknownOriginal sourcewinner eligibleThird-party benchmark
LMArena Document Arenadocument-2026-09-13-a64ca3b12b6e1,443.92rating—49,457gemini-3.1-pro-preview; 95% CI [1438.69417039, 1449.14324048]; votes 49457; rank 31unknownOriginal sourcewinner eligibleThird-party benchmark
LMArena Search Arenasearch-2026-10-13-a64ca3b12b6e1,208.81rating—151,436gemini-3.1-pro-grounding; 95% CI [1204.12797055, 1213.48336905]; votes 151436; rank 15unknownOriginal sourcewinner eligibleThird-party benchmark
LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e1,296.20rating—46,320gemini-3.1-pro-preview; 95% CI [1291.04958388, 1301.35691905]; votes 46320; rank 22unknownOriginal sourcewinner eligibleThird-party benchmark
ToneBench2026-10-17-10-task-e9c76358afb270.99points10,02950Gemini 3.1 Pro (high thinking)average per caseOriginal sourcenot winner eligibleThird-party benchmark
ToneBench2026-10-17-10-task-e9c76358afb270.14points6,45350Gemini 3.1 Pro (low thinking)average per caseOriginal sourcenot winner eligibleThird-party benchmark

At a Glance

Model Facts

Identity

Status
preview
Developer ID
gemini-3.1-pro-preview
Released
Not reported
Version
Gemini 3.1 Pro
License
Unknown

Capacity

Token context
1,049K tokens
Maximum output
66K 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 developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.

Version Lineage

PredecessorUnknown
SuccessorsUnknown
Aliasesgemini-3.1-pro-preview, gemini-3.1-pro-preview-customtools, gemini-pro-latest

Explicit Unknowns

  • Release date
  • Architecture
  • Tokenizer
  • Knowledge cutoff

Primary Evidence

Sources and Observation Date

Comparable Peers

Related Model Comparisons

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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 1,049K-token context window and a maximum output of 66K 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 and Google Gemini.

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, gemini-3.1-pro-preview-customtools, and gemini-pro-latest.

Which models can Gemini 3.1 Pro be compared with?+

The current compatible peer set includes Gemini 2.5 Pro, Claude Fable 5.1, Qwen3.8 Max, Hy4 preview, and Claude Mythos 5.1. 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.

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