
OpenAI Codex CLI
Gemini CLI
Zed
opencode
aider
VS Code
GitHub Copilot
LM Studio
jebi
opencode
warp by spolu
Claude Code
Pi Coding Agent
Warp Terminal
SessionCast
Pieces for Developers
OpenAI Codex CLIBased on our record, OpenAI Codex CLI seems to be more popular. It has been mentiond 33 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
OpenAI doesn't require that; only Anthropic does. OpenAI's harness is fully open source[1], and (AFAIK) doesn't come with any kind of signed-build request integrity verification like Claude does. And by that logic, if you're allowed to use their API with a fork of Codex that you yourself compiled, there's nothing stopping you from making some other harness act like such a fork. [1] https://github.com/openai/codex. - Source: Hacker News / 2 days ago
The next obvious step was installing Codex. Not only for working on projects, but also for managing the server itself. - Source: dev.to / 5 days ago
Codex is open source https://github.com/openai/codex/ it's definitely geared towards openai but it is completely open source. - Source: Hacker News / 5 days ago
Well, everyone's bashing on OpenAI as well they should, but just a reminder, unlike Claude Code, Codex is officially available to customize here: https://github.com/openai/codex It's fairly easy to patch. - Source: Hacker News / 14 days ago
OpenAI's Codex CLI ships with a great editor-agent UX: shell tool, apply_patch, plan tracking, the lot. The catch โ as of February 2026 it only speaks the OpenAI Responses API. Chat Completion support was dropped (codex-rs/model-provider-info/src/lib.rs: the WireApi enum has one variant, Responses). If you wanted to point it at a Chat-Completion-only endpoint โ Ollama, LM Studio, your favorite Llama runner โ... - Source: dev.to / about 1 month ago
Gemini CLI - Free and open source, Gemini CLI brings Gemini directly into developersโ terminals โ with unmatched access for individuals.
opencode - The AI coding agent, built for the terminal.
Zed - Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
warp by spolu - Secure and simple terminal sharing
Claude Code - Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebaseโno more context switching, just breakthrough results.
aider - aider is AI pair programming in your terminal