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Google Open Sources Harness2 for Self Improving AI Agents

Google just released Harness2 as open source. It turns any AI harness into a system that improves itself over time. A harness is everything around the model. System prompt, tools, memory, skills, and subagents. Normally a person designs it once and the agent uses that fixed setup for every new task…

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Timeline · 4 reports

  1. 2026-10-20 17:15 · Unite.AI
    Google Open-Sources TorchTPU, Putting Native PyTorch on Its TPUs
  2. 2026-10-20 15:27 · r/machinelearningnews
    Google just open-sourced TorchTPU, a native PyTorch backend for TPUs (52% MFU on Qwen 3 8B)
  3. 2026-10-20 15:22 · MarkTechPost
    Google Open-Sources TorchTPU, a Native PyTorch Backend for Cloud TPUs
  4. 2026-10-18 22:33 · r/LocalLLaMA
    Google Open Sources Harness2 for Self Improving AI Agents

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  7. Introducing TorchTPU — PyTorch Blog
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