antirion alternatives

eliasbiondo/antirion (128 stars, +128 this week): ⚡ The fastest open-source AI gateway — one Rust binary with a built-in console to route, secure, budget and observe every LLM call across…

Below are 12 other LLM tooling repos tracked by OSS Radar that share at least two GitHub topics with antirion, ordered by how many topics overlap, then by stars gained in the last 7 days. Topic overlap means a similar problem space, not a drop-in replacement, so check each project's README.

1. 1. BerriAI/litellm

   +479/wk

   The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails…

   62k stars · Python · shared topics: ai-gateway, anthropic, llm, llm-gateway, mcp-gateway, openai, openai-proxy, rust · litellm alternatives

2. 2. diegosouzapw/OmniRoute

   +2.6k/wk

   Never stop coding. Free MIT AI gateway: one endpoint, 375 providers (150+ free), 1,400+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek…

   79k stars · TypeScript · shared topics: a2a, ai-gateway, anthropic, llm-gateway, mcp, openai, openai-proxy · OmniRoute alternatives

3. 3. decolua/9router

   +367/wk

   Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers.

   31k stars · JavaScript · shared topics: ai-gateway, anthropic, llm, llm-gateway, openai, openai-proxy · 9router alternatives

4. 4. can1357/oh-my-pi

   +704/wk

   ⌥ Coding agent with the IDE wired in. Built by Stencil Labs.

   36k stars · TypeScript · shared topics: anthropic, llm, mcp, openai, rust · oh-my-pi alternatives

5. 5. lidge-jun/opencodex

   +305/wk

   Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK…

   18k stars · TypeScript · shared topics: ai-gateway, anthropic, llm, llm-proxy, openai · opencodex alternatives

6. 6. ThinkWatchProject/ThinkWatch-Lite

   +157/wkest.

   Local gateway for Claude Code, Codex and other AI clients on macOS, Windows and Linux: switch upstreams without touching clients, keep API…

   804 stars · TypeScript · shared topics: ai-gateway, anthropic, llm-gateway, llm-proxy, openai · ThinkWatch-Lite alternatives

7. 7. headroomlabs-ai/headroom

   +1.3k/wk

   Compress tool outputs, logs, files, and RAG chunks before they reach the LLM.

   77k stars · Python · shared topics: anthropic, llm, mcp, openai · headroom alternatives

8. 8. open-webui/open-webui

   +676/wk

   User-friendly AI Interface (Supports Ollama, OpenAI API, ...).

   156k stars · Python · shared topics: llm, mcp, openai, self-hosted · open-webui alternatives

9. 9. trailhq/Trail-Code

   +516/wk

   Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your…

   10k stars · TypeScript · shared topics: anthropic, llm, mcp, openai · Trail-Code alternatives

10. 10. 1jehuang/jcode

    +376/wk

    High performance coding agent harness written in Rust, built for heavy multi-agent dev workflows.

    21k stars · Rust · shared topics: llm, mcp, openai, rust · jcode alternatives

11. 11. CoplayDev/unity-mcp

    +314/wk

    Unity MCP acts as a bridge between AI assistants and your Unity Editor.

    15k stars · C# · shared topics: anthropic, llm, mcp, openai · unity-mcp alternatives

12. 12. langfuse/langfuse

    +303/wk

    🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

    36k stars · TypeScript · shared topics: llm, observability, openai, self-hosted · langfuse alternatives

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