Running DeepSeek V4 Pro on Baseten with the Pi Agent Harness

Melvin Vivas · X video post · 2026-08-20 · Open on X

Topics: AI Agents, Tool Use & MCP, LLMOps, Deployment & Monitoring, AI Dev Tools & Productivity · Level: intermediate

Summary

Melvin shows DeepSeek V4 Pro (0813) served on Baseten and used inside the Pi coding-agent harness. He points out how fast it is. The post shows that you can pair an open model hosted by an inference provider with any agent harness.

Key points

• Model: DeepSeek V4 Pro, 0813 release.
• Hosted on Baseten.
• Run through the Pi (@pidotdev) agent harness.
• The creator was struck by DeepSeek's speed on this setup.
• You can mix and match the model, the host and the agent harness.

Resources mentioned

• Baseten · tool · x.com · paid
  Model inference platform offering dedicated GPU deployments for serving open models.
  Also in: Serving Qwen3.8 27B FP8 on an H100 with Baseten dedicated inference (Melvin Vivas on X · notes), Coworker Desktop App Works with Any OpenAI-Compatible Endpoint (Melvin Vivas on X · notes), Running GLM 5.3 Flash on Baseten with the Pi Coding Agent (Melvin Vivas on X · notes), GLM 5.3 Flash Now Available on Baseten (Melvin Vivas on X · notes) and 6 more
• Pi · tool · x.com · free
  A customizable coding agent that can be extended through its Extensions API and connected to several model providers.
  Also in: Sign in with ChatGPT: Setting Usage Limits for Each App (Melvin Vivas on X · notes), Pi reaches v1.0 (Melvin Vivas on X · notes), Claude Code mods: customize behavior and UI with plugins (Melvin Vivas on X · notes), Customizing Your Coding Setup with Pi Coding Agent Extensions (Melvin Vivas on X · notes) and 39 more
• DeepSeek · tool · deepseek.com · free
  Open-weight large language models from DeepSeek, known for strong reasoning and coding at low cost.
  Also in: Open models now dominate token volume on Vercel AI Gateway (Melvin Vivas on X · notes), jina-ocr-v1: Turning PDFs, Scans and Tables into Markdown (Melvin Vivas on X · notes), Bolt.new Adds Open Models (GLM, DeepSeek, Kimi) via Bolt Forge (Melvin Vivas on X · notes), OpenCode Go: Open Coding Models (DeepSeek, Qwen, Kimi, GLM) for $10/mo (Melvin Vivas on X · notes) and 4 more

Try this

• Connect a model hosted on Baseten to the Pi harness and compare speeds.