What you can use with a ChatGPT subscription
Every ChatGPT plan from Free up includes Codex, with usage shared in one five-hour window. Tools that run the Codex CLI with your ChatGPT login reuse that allowance. Some tools sign in with a ChatGPT account directly without being part of the plan.
Part of the plan (2)
No extra bill, it is what you are paying for.
Signs in with it (10)
Separate products that accept this account for model access.
Amp
Sourcegraph
Sourcegraph's terminal agent. Low, medium, high and ultra modes pick the model per task, subagents run in parallel, orbs run threads on remote machines.
Signs in with your ChatGPT plan
Free tier2026-08-23
dmux
FormKit
FormKit's open source tmux pane manager. Each pane gets its own git worktree and branch, launches the agents you pick, and merges or opens a pull request from the pane menu.
Signs in with your ChatGPT plan
Free2026-08-23
fx
Vercel Labs
Vercel Labs' coding agent harness written in Zig, built for research and for embedding in larger systems. A 6 MB CLI closer to a Unix shell than a terminal IDE.
Signs in with your ChatGPT plan
Free2026-08-24
goose
Block / Agentic AI Foundation
Open source agent from Block under the Agentic AI Foundation. CLI and desktop app, MCP extensions, runs with your own keys or your Claude and ChatGPT subscriptions over ACP.
Signs in with your ChatGPT plan
Free2026-08-23
Hermes Agent
Nous Research
Nous Research's open source general purpose agent with a terminal TUI, file and shell tools, git worktrees and subagents. Any provider, or a Nous Portal login for 300 plus models.
Signs in with your ChatGPT plan
Free tier2026-08-23
OpenCode
Anomaly
Open source terminal coding agent from Anomaly, with a desktop app in beta and a VS Code extension. Works with any provider through your own keys, plus the hosted Zen and Go plans.
Signs in with your ChatGPT plan
Free tier2026-08-23
Pi
Earendil
Minimal terminal coding harness from Mario Zechner, now maintained by Earendil. Four built in tools, tree structured sessions, and TypeScript extensions for everything else.
Signs in with your ChatGPT plan
Free2026-08-23
Roo Code
Roo Code, Inc.
Open source VS Code agent forked from Cline, with modes, an orchestrator that delegates subtasks, checkpoints and an MCP marketplace. The extension was shut down on May 15, 2026.
Signs in with your ChatGPT plan
Free2026-08-23
Runs a tool on this plan (16)
Hosts and orchestrators that reuse the login of a tool included in the plan. The chip is what they cost on top.
Claude Squad
smtg-ai
Terminal app on top of tmux that runs Claude Code, Codex, Gemini, Aider and other agents in separate git worktrees, with a background auto-accept mode and a diff view.
+$0, uses your ChatGPT plan
Free2026-08-23
cmux
Manaflow
Native macOS terminal on libghostty with vertical tabs, notification rings and a scriptable browser for running Claude Code, Codex, Gemini and other CLI agents at once.
+$0, uses your ChatGPT plan
Free tier2026-08-23
Conductor
Conductor
A Mac app that runs Claude Code, Codex and Cursor agents side by side, one git worktree per workspace, with your own subscriptions and keys.
+$0, uses your ChatGPT plan
Free tier2026-08-23
Emdash
General Action
Open source desktop app from General Action that runs coding agents in parallel worktrees, schedules repeat work, previews apps in a built-in browser and reviews diffs.
+$0, uses your ChatGPT plan
Free tier2026-08-23
Herdr
Herdr
Rust single binary with a background server that keeps agent terminals running after you disconnect, marks each pane working, blocked or idle and reattaches over SSH.
+$0, uses your ChatGPT plan
Free2026-08-23
JetBrains AI
JetBrains
AI Assistant and the Junie agent in JetBrains IDEs. Completions on JetBrains models are free, cloud agents draw from monthly AI Credits. Claude Agent and Codex plug in over ACP.
+$0, uses your ChatGPT plan
Free tier2026-08-23
Nimbalyst
Nimbalyst
MIT licensed desktop workspace that puts Claude Code and Codex sessions on a kanban board, with optional worktrees, inline diff review and visual editors for markdown and mockups.
+$0, uses your ChatGPT plan
Free tier2026-08-23
OpenHands
OpenHands
MIT licensed coding agent and control center. Runs in Docker, on your servers or on OpenHands Cloud, and drives Claude Code, Codex and Gemini CLI over ACP with their own logins.
+$0, uses your ChatGPT plan
Free tier2026-08-23
Orca
Stably AI
Stably AI's desktop app that runs Claude Code, Codex, Cursor and other CLI agents side by side in isolated worktrees, with SSH worktrees, Design Mode and a mobile companion.
+$0, uses your ChatGPT plan
Free tier2026-08-23
Paseo
Paseo
Self-hosted daemon that spawns coding agents on your machine and streams them to desktop, web, mobile and CLI clients, with voice mode and an end-to-end encrypted relay.
+$0, uses your ChatGPT plan
Free2026-08-23
Sculptor
Imbue
Imbue's desktop app for running parallel Claude Code agents in isolated containers, jumping into each one to test, then reviewing and merging. An experimental research preview.
+$0, uses your ChatGPT plan
Free2026-08-23
Superset
Superset
Source-available desktop app that runs many CLI agents in parallel, one git worktree per workspace, with a diff dashboard, SSH workspaces and scheduled automations.
+$0, uses your ChatGPT plan
Free tier2026-08-23
T3 Code
Ping Labs
Ping Labs' open source control surface for the agents already installed on your machine. Desktop, web, iOS and Android clients over one local harness, with native git worktrees.
+$0, uses your ChatGPT plan
Free2026-08-23
Vibe Kanban
Bloop
Kanban board that runs Claude Code, Codex, Gemini CLI and other agents in parallel worktrees with diff review. Bloop shut down in April 2026, the project is community maintained.
+$0, uses your ChatGPT plan
Free2026-08-23
