AINewsnow

Can LLMs Engineer Their Own Agent Harness? ByteDance Seed's HarnessDev Says Only 34 of 64 Changes Generalize

This story is from 2026-09-11. It is preserved in the archive; the latest stories are on the live feed.

ByteDance Seed, SUTD, Georgia Tech, M-A-P, and TokenWave.AI introduce HarnessDev, a benchmark that scores the runnable harness a model builds rather than the answer it returns. Starting from a seed that scores 0, 6 creator LLMs construct harnesses across 5 benchmarks and 2,207 tasks, then evolve th…

Read the full story at MarkTechPost ↗

Timeline · 2 reports

  1. 2026-09-11 22:09 · r/machinelearningnews
    Can LLMs Engineer Their Own Agent Harness? ByteDance Seed’s HarnessDev Says Only 34 of 64 Changes Generalize
  2. 2026-09-11 22:01 · MarkTechPost
    Can LLMs Engineer Their Own Agent Harness? ByteDance Seed's HarnessDev Says Only 34 of 64 Changes Generalize

More stories

  1. Anthropic says Claude 'leads' 26 percent of its AI R&D work — Engadget
  2. Novo Nordisk Will Use Anthropic’s Claude for Drug Research — Wall Street Journal Technology
  3. Introducing Kimi K3 on Amazon Bedrock — AWS Machine Learning Blog
  4. Optimizing agent system prompts with Amazon Bedrock AgentCore — AWS Machine Learning Blog
  5. Introducing Amazon SageMaker HyperPod Inference Gateway — AWS Machine Learning Blog
  6. Introducing Astra for Law — OpenAI News
  7. Gemini Hacked Three Companies in First Known Breakout by Google’s AI — Wall Street Journal Technology
  8. OpenAI reveals cases of ‘concerning’ AI behaviour as it announces new disclosure system — The Guardian AI

Get the daily brief of stories like this at 6:30 every morning →