Google: Gemini 3.1 Pro Preview (new)

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Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation of the Gemini 3 series, it combines high-precision reasoning...

#35 Code Mode$2.00/1M input tokens
Context Window
1,048,576 tokens
Max Output
65,536 tokens
Input Modalities
audiofileimagetextvideo

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Real-World Usage

Real-world usage statistics from the Kilo Code community

Weekly Token Usage

Mode Rankings (Last Week)

Where this model ranks for each built-in mode

Architect

Plan and design before implementation

#26

Code

Write, modify, and refactor code

#35

Ask

Get answers and explanations

#27

Debug

Diagnose and fix software issues

#47

Orchestrator

Coordinate tasks across multiple modes

#21

Real-world metrics from the Kilo Code Leaderboard

Pricing

Cost per 1 million tokens

Input Tokens
$2.00
per 1M tokens
Output Tokens
$12.00
per 1M tokens

Example Cost

Analyzing a 10,000 line codebase (≈40k input tokens, 10k output tokens) costs approximately $0.2000

Coding Capabilities

Features and parameters relevant to coding tasks

Coding Features

Function Calling
Can call external functions/APIs
Tool Choice
Control over function selection
Structured Outputs
JSON schema validation
Reasoning Tokens
Extended thinking for complex problems

Pricing details from OpenRouter

Technical Details

Architecture and implementation specifications

Model ID
google/gemini-3.1-pro-preview
Created
February 19, 2026
Tokenizer
Gemini
Input Modalities
audio, file, image, text, video
Context Window
1,048,576 tokens
Max Completion Tokens
65,536 tokens
Input Price
$2.00 per 1M tokens
Output Price
$12.00 per 1M tokens
Cache Read Price
$0.00 per 1M tokens
Cache Write Price
$0.00 per 1M tokens
Content Moderation
Disabled

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