Ornith-1.0: open-source LLM family for agentic coding

Melvin Vivas · X post · 2026-06-26 · Open on X

Topics: LLM Fundamentals, AI Agents, Tool Use & MCP, Industry Trends & Job Market · Level: intermediate

Summary

Ornith-1.0 is a new family of open-source LLMs built for agentic coding. Sizes range from 9B dense to a 397B mixture-of-experts (MoE) model. The quoted announcement claims state-of-the-art results among open models of similar size.

Key points

• Ornith-1.0 is a family of open-source LLMs specialized for agentic coding.
• Sizes: 9B Dense, 31B Dense, 35B MoE and 397B MoE.
• It claims state-of-the-art performance among open-source models of comparable size.
• The smaller dense sizes could suit local or self-hosted coding agents.

Resources mentioned

• Ornith-1.0 · tool · github.com · free
  A family of open-source LLMs for agentic coding, from 9B dense up to 397B MoE.

Try this

• Look at Ornith-1.0 as an open-weight option for agentic coding.