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Google: Gemini 3.1 Pro Preview Custom Tools

Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...

Provider
OpenRouter
Availability
Available
Model ID
google/gemini-3.1-pro-preview-customtools
Snapshot
2026-10-07

Google: Gemini 3.1 Pro Preview Custom Tools model overview

Google: Gemini 3.1 Pro Preview Custom Tools is listed in the public Swarm catalog through OpenRouter. This page summarizes the verified catalog fields used by Swarm without claiming real-time access for every provider account.

Provider
OpenRouter
Family
OpenRouter
Context window
1.05M tokens
Thinking support
low · medium · high
Availability status
Available
Catalog ID
openrouter/google/gemini-3.1-pro-preview-customtools
  • Audio input
  • File input
  • Image input
  • Text input
  • Video input
  • Text output
  • Reasoning
  • Tools
  • Structured output
  • JSON

Run Google: Gemini 3.1 Pro Preview Custom Tools in Swarm

Verified CLI workflow & multi-agent architecture

Quickstart Guide →
bash — swarm run
$swarm ctl model set --provider openrouter --model openrouter/google/gemini-3.1-pro-preview-customtools

# Or switch interactively inside the terminal TUI:

>/models

Subagent Role Matrix

Assign Google: Gemini 3.1 Pro Preview Custom Tools to specialized system roles in ~/.swarm/config.json:

  • Primary / Planner: Orchestrates full task DAGs and multi-stage pipelines.
  • Coder Subagent: Generates code and unit tests inside private Git worktrees.
  • Finder Subagent: Performs read-only code search, symbol discovery, and mapping.
System Agent Roles →Why Swarm Architecture →
← All OpenRouter models

Public catalog snapshot. Catalog availability is not a real-time provider status or an access guarantee.