Nebius Builder Program: free credits and an open agent blueprint
The free membership hands out credits across Token Factory, LangSmith, Tavily and Toloka, plus a cloneable production-agent stack to fork — no cloud bill.
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The free tier, itemized
Joining is free and unlocks $25 in Nebius Token Factory credits, $100 in LangSmith, $25 in Tavily, plus $50 each in Toloka and Tandem, and Nebius Academy certification for $1. Token Factory serves 60+ open models behind an OpenAI-compatible API, so existing OpenAI SDK code can point straight at it.
Fork the agent blueprint instead of wiring it yourself
The open Agents Blueprint is a runnable reference stack — Token Factory inference, LangChain Deep Agents orchestration, LangSmith tracing, Pinecone retrieval, Tavily web grounding and Guardrails simulation — shipped as GitHub recipes with a cloneable compliance-audit agent you adapt to your own task.
Build this weekend: boot any Nix build in a browser tab
Unrelated but handy: trynix runs x86_64 Linux VMs in WebAssembly, launching any package nixpkgs shipped in the last 13 years from a URL — no install. Its trynix-preview GitHub Action boots a pull request's build in the browser for review, with no server to run.