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OpenAI: GPT-4.1 Nano

For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...

Provider
OpenRouter
Availability
Available
Model ID
openai/gpt-4.1-nano
Snapshot
2026-10-07

OpenAI: GPT-4.1 Nano model overview

OpenAI: GPT-4.1 Nano 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
Not supported
Availability status
Available
Catalog ID
openrouter/openai/gpt-4.1-nano
  • File input
  • Image input
  • Text input
  • Text output
  • Tools
  • Structured output
  • JSON

Run OpenAI: GPT-4.1 Nano in Swarm

Verified CLI workflow & multi-agent architecture

Quickstart Guide →
bash — swarm run
$swarm ctl model set --provider openrouter --model openrouter/openai/gpt-4.1-nano

# Or switch interactively inside the terminal TUI:

>/models

Subagent Role Matrix

Assign OpenAI: GPT-4.1 Nano 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.