Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
Install Codex CLI and connect it to Floodgate.
gpt-6-sol through Floodgate, with support for gpt-6-astra, gpt-6-luna, and gpt-5.6-sol.
curl -fsSL https://chatgpt.com/codex/install.sh | sh
npm install -g @openai/codex
codex --version
export FLOODGATE_API_KEY="YOUR_API_KEY"
$env:FLOODGATE_API_KEY = "YOUR_API_KEY"
~/.codex/config.toml. On Windows, use %USERPROFILE%\.codex\config.toml.
model = "gpt-6-sol"
model_provider = "floodgate"
[model_providers.floodgate]
name = "Floodgate"
base_url = "https://api.floodgate.dev/v1"
env_key = "FLOODGATE_API_KEY"
wire_api = "responses"
~/.codex/config.toml). Codex ignores custom provider and credential settings in project-level .codex/config.toml files.cd /path/to/your/project
codex
# Maximum capability for difficult architecture & multi-step planning
codex -m gpt-6-astra
# Lightweight, high-speed execution for simple scripts & quick answers
codex -m gpt-6-luna
# Fast open-weight alternatives
codex -m deepseek-v4.1-flash
codex -m claude-opus-5-5
gpt-6-sol is the recommended default for Codex, offering frontier coding accuracy and seamless tool calling through Floodgate’s /v1/responses wire API./status to confirm the selected model and provider.