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CLI proxy that cuts LLM token consumption 60-90% on common dev commands — one Rust binary
★ 82.7k starsApache-2.0
View guide →One Rust CLI for every LLM: shell assistant, chat REPL, RAG, tools and agents across 20+ providers.
aichat is an open-source dev tools project by sigoden (sigoden/aichat on GitHub). It has 10,490 GitHub stars and 748 forks, is released under the Apache-2.0 license, and was last updated on GitHub on 23 February 2026.
Use your platform's package manager or download a pre-built binary from GitHub Releases and put it on your PATH.
On first run AIChat walks you through adding a provider - an API key for a hosted service, or a local Ollama endpoint if you want no key at all.
Ask a one-off question in CMD mode, open the interactive REPL for a longer session, and use shell-assistant mode to turn a task description into a command you can review and run.
Point it at files, folders or URLs with -f, build a RAG over your documents, and save roles, sessions and macros for work you repeat.
OpenAI, Claude, Gemini, Ollama, Groq, Azure OpenAI, Vertex AI, Bedrock, GitHub Models, Mistral, DeepSeek, xAI Grok, Cohere, Perplexity, OpenRouter and any OpenAI-compatible API, all through one config.
Describe a task in natural language and AIChat writes the shell command for your OS and shell, ready to review and execute.
Tab autocompletion, multi-line input, history search, configurable keybindings and custom prompts for long working sessions.
Feed it prompts, stdin, local files and directories, remote URLs or the output of external commands, and combine several inputs in one request.
Roles pair a prompt with model settings; sessions keep conversations context-aware; macros record REPL command sequences you replay on demand.
Chat over your own document sets, connect function-calling tools and MCP, build agents from instructions plus tools plus documents, or run aichat --serve for OpenAI-compatible chat, embeddings and rerank endpoints with a web playground and model arena.
Most users install the pre-built binary instead; clone if you want to build or inspect the Rust source.
git clone https://github.com/sigoden/aichat.git
cd aichatInstall from crates.io (or use brew install aichat, pacman -S aichat or scoop install aichat).
cargo install aichatLaunch the REPL, or start the built-in local server with playground and arena.
aichat
aichat --serveIt is maintained by sigoden (the aichat-developers) as an open-source project.
Yes. It is offered under the MIT or Apache-2.0 license at your option, free for personal and commercial use.
Only if you choose a hosted provider - you bring that provider's key. Connect a local Ollama and it works with no API key and no per-token cost.
Those are excellent focused tools; AIChat bundles more into one binary - REPL, shell assistant, RAG, function-calling agents and a local API server - across 20+ providers.
Run cargo install aichat (or your package manager's equivalent), launch aichat once to configure a provider, then ask your first question.
CLI proxy that cuts LLM token consumption 60-90% on common dev commands — one Rust binary
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