OpenRouter model
Google: Gemini 3.1 Pro Preview
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...
- Provider
- OpenRouter
- Availability
- Available
- Model ID
- google/gemini-3.1-pro-preview
- Snapshot
- 2026-10-07
Google: Gemini 3.1 Pro Preview Benchmarks & Agentic Accuracy
Verified primary research & developer preference metrics
What This Means in Real Software Development
- 71.0% on SWE-bench Verified with deep internal chain-of-thought reflection.
- Massive 2M token context window ingests entire enterprise monorepos without loss of detail.
- 86.5% on AIME 2024 demonstrates superior multi-step deductive problem solving.
- Priced at $2.50/M input, providing frontier reasoning at 1/6th the cost of older frontier models.
Swarm Multi-Agent Topology
Best Paired With: Gemini 3.8 Flash for subagent implementation
Supreme context window capacity allows analyzing multi-package architecture and drafting complex Task Program DAGs.
Supervises worktree integrations and validates commit diffs before merging.
What Developers & Practitioners Are Saying
Real-world field observations, production strengths, and developer consensus
"Preview build showcasing enhanced agentic planning and tighter tool integration from Google DeepMind."
Verified Real-World Strengths
- Improved tool calling stability over 2.5 Pro
- Lower first-token latency on large context prompts
- Enhanced algorithmic accuracy on LiveCodeBench (42.8%)
Production Caveats & Gaps
- Preview status means occasional endpoint rate-limit shifts
- Requires rigorous post-processing on git diff syntax
Primary Sources & Methodology Citations
- Gemini 3.1 Pro Capabilities and Evaluations — Google DeepMind (February 2026)
Head-to-Head Frontier Comparisons: Google: Gemini 3.1 Pro Preview vs Rivals
Standardized, side-by-side benchmark & economics comparison against peer models
| Model | Role / Tier | SWE-bench | LiveCodeBench | LMSYS Elo | AIME | Input / Output |
|---|---|---|---|---|---|---|
Google: Gemini 3.1 Pro PreviewOpenRouterCurrent | Tier 1: Frontier Large-Context Architect | 71% | 62.4% | 1395 | 86.5% | $2.5 / $10 |
Claude 3.7 SonnetAnthropic Compare Google: Gemini 3.1 Pro Preview vs Claude 3.7 Sonnet → | Tier 1: Frontier Architect & Planner | 70.3% | 59.2% | 1390 | 80% | $3 / $15 |
OpenAI o3OpenAI Compare Google: Gemini 3.1 Pro Preview vs OpenAI o3 → | Tier 1: Frontier Architect & Deductive Specialist | 71.7% | 76.2% | 1415 | 92.4% | $5 / $20 |
xAI Grok 4.20xAI Compare Google: Gemini 3.1 Pro Preview vs xAI Grok 4.20 → | Tier 1: Frontier Systems Specialist | 58.5% | 54.2% | 1375 | 76% | $2 / $8 |
Gemini 3.7 FlashGoogle Compare Google: Gemini 3.1 Pro Preview vs Gemini 3.7 Flash → | Tier 3: High-Throughput Subagent Engine | 67.1% | 51.9% | 1370 | 81.5% | $0.15 / $0.6 |
Google: Gemini 3.1 Pro Preview model overview
Google: Gemini 3.1 Pro Preview 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
Run Google: Gemini 3.1 Pro Preview in Swarm
Verified CLI workflow & multi-agent architecture
swarm ctl model set --provider openrouter --model openrouter/google/gemini-3.1-pro-preview# Or switch interactively inside the terminal TUI:
/modelsSubagent Role Matrix
Assign Google: Gemini 3.1 Pro Preview 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.
Public catalog snapshot. Catalog availability is not a real-time provider status or an access guarantee.