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OpenRouter model

OpenAI: GPT-5.1-Codex-Max

GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...

Provider
OpenRouter
Availability
Available
Model ID
openai/gpt-5.1-codex-max
Snapshot
2026-10-07

OpenAI: GPT-5.1-Codex-Max model overview

OpenAI: GPT-5.1-Codex-Max 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
400K tokens
Thinking support
low · medium · high · xhigh
Availability status
Available
Catalog ID
openrouter/openai/gpt-5.1-codex-max
  • Image input
  • Text input
  • Text output
  • Reasoning
  • Tools
  • Structured output
  • JSON

Run OpenAI: GPT-5.1-Codex-Max in Swarm

Verified CLI workflow & multi-agent architecture

Quickstart Guide →
bash — swarm run
$swarm ctl model set --provider openrouter --model openrouter/openai/gpt-5.1-codex-max

# Or switch interactively inside the terminal TUI:

>/models

Subagent Role Matrix

Assign OpenAI: GPT-5.1-Codex-Max 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.