AINewsnow

Sierra Open-Sources Hyper-τ-Bench, a Benchmark for Agent Construction

This story is from 2026-09-08. It is preserved in the archive; the latest stories are on the live feed.

Sierra said on September 8, 2026, that it is open-sourcing hyper-τ-bench, a long-horizon benchmark scoring whether AI coding agents can construct a working customer-service agent. The strongest automated configuration passed 23.9% of held-out evaluation tasks, Sierra reported, against 82.2% for a r…

Read the full story at Unite.AI ↗

Timeline · 1 report

  1. 2026-09-08 22:57 · Unite.AI
    Sierra Open-Sources Hyper-τ-Bench, a Benchmark for Agent Construction

More stories

  1. Introducing Kimi K3 on Amazon Bedrock — AWS Machine Learning Blog
  2. Introducing Amazon SageMaker HyperPod Inference Gateway — AWS Machine Learning Blog
  3. Anthropic, OpenAI, SpaceXAI, Google sued over call to ‘pace’ AI development — Politico Technology
  4. Gemini Hacked Three Companies in First Known Breakout by Google’s AI — Wall Street Journal Technology
  5. Alibaba ships Qwen3.8-Omni-Flash to watch, listen and call tools — r/LocalLLM
  6. NVIDIA CEO Jensen Huang rejects ‘AI will end the world’ claim, yet cautions ‘we should go as fast as we can but...’ — Mint AI
  7. Meet the Data Agent in ChatGPT Work — OpenAI YouTube
  8. Qwen Image 2.1 PR to ComfyUI — r/StableDiffusion

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