Find free AI tools by task
Best Tools for Codex CLI
For developers using Codex CLI as a primary coding agent. Compare task memory, repo instructions, code search, test validation, Git workflow, and long-task handoff tools.
Search Intent
Build a Codex CLI workflow that reduces context loss and repeated work on long coding tasks.
CLI fitPersistent task stateRepo instruction supportTesting and commit workflow
Recommended Tools
ChatGPT (OpenAI) ChatGPT is OpenAI's flagship product and the world's most popular AI assistant.
Major April 2026 updates: GPT-5.5 releas... Cursor Cursor is an AI-native code editor based on VS Code with multiple AI models.
Free tier: 2000 completions and 50 premium ... GitHub Copilot GitHub Copilot is the most popular AI coding assistant. Free tier offers 2000 completions and 50 chats per month.
Suppor... Claude (Anthropic) Claude is Anthropic's AI assistant, known for safety and long context.
Industry-leading coding ability, free tier includ... DeepSeek DeepSeek is a leading Chinese AI lab offering high-performance open-source LLMs.
April 2026 V4 release: V4-Pro (1.6T par... Gemini (Google) Gemini is Google's flagship AI model; Gemini 3.1 Pro offers a 2M-token-class long context window.
Free API access is ava... llama.cpp llama.cpp is an MIT-licensed local LLM inference runtime with GGUF, quantization, multi-backend support, and self-hosted... Cline Open-source AI coding agent for VS Code. Bring your own API key (OpenRouter, Anthropic, OpenAI, DeepSeek). Plan/act mode... Aider Command-line AI pair programmer with git-aware diffs, repo-level chat, and multi-file edits. Best with Claude Sonnet or ... Continue Open-source AI code assistant for VS Code and JetBrains. Supports any backend including local Ollama. Autocomplete, chat... Tabby Self-hosted open-source AI coding assistant. Runs on your GPU with StarCoder, CodeLlama. Fully offline.... InvokeAI InvokeAI is an Apache-2.0 open-source creative engine for visual media with local install, Web UI, canvas, workflows, an...
Next Steps
- Open 2-3 tool profiles and compare free quotas and limits.
- Test with real tasks, not just model specs.
- If integrating into a product, check API pricing and access stability.
Related Tasks
FAQ
How do I choose best tools for Codex CLI?
Start with free quota, then check whether it matches your intent: Build a Codex CLI workflow that reduces context loss and repeated work on long coding tasks.
Are all these tools free?
No. yangmao.ai prioritizes tools with free tiers or free trials, but policies can change on the official site.
Do they require a credit card?
It depends. Prefer tools with free web access, signup credits, or clearly documented no-card trials.