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SIA

Self-improvement loop that rewrites an AI agent to score higher on a benchmark

  • Agent frameworks and tools
  • AI models and runtimes
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Featured by Willet

What it is

SIA runs a meta agent that drafts a task-specific agent, executes it against a benchmark, then has a feedback agent read the logs and revise the agent's code (and optionally its weights) over successive generations. It ships with bundled tasks such as GPQA and LawBench, supports Claude or OpenHands-based agents across many model providers, and includes a web dashboard for inspecting each generation's code, scores, and trajectories. Researchers and ML engineers use it to automatically tune agents or models for a measurable task, with an optional Docker sandbox for running generated code.

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Facts

Stars
2.2k2,162

Forks
256
Commits
30
Contributors
10
Language
Python
License
MIT
Last commit
Aug 26, 2026
On GitHub since
March 2026
Platforms
CLI, library
Self-hostable
No
Tags
  • multi-agent
  • agent-sandbox
  • ai-agents
  • llm-evaluation
  • fine-tuning

Last synced from GitHub on Oct 20, 2026

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What people are saying

Updated Oct 20, 2026
  • Hacker NewsAI Agent that at inference time updates it's harness and model weightsMay 31, 2026 · 5 points · 0 comments (opens Hacker News in a new tab)
  • Hacker NewsSIA: The Open Source Self Improving AIMay 28, 2026 · 4 points · 0 comments (opens Hacker News in a new tab)
  • Bluesky“sia SIA is a Self Improving AI framework to autonomously improve the performance of any AI system (Model / Agent) on a benchmark task.”Jun 22, 2026 · 2 likes · 0 replies (opens Bluesky in a new tab)
  • Bluesky“GitHub - hexo-ai/sia: SIA is a Self Improving AI framework to autonomously improve the performan...”Jun 26, 2026 · 0 likes · 0 replies (opens Bluesky in a new tab)