Tag: exstream

All the articles with the tag "exstream".

• The retrieval test passed. The refusal checker could not prove the assistant stopped

  Published: 22 Sep, 2026

  • 6 min read

  A technical account of multilingual RAG evaluation, unsupported questions, and why a refusal phrase cannot prove the assistant stopped.

• My assistant answered a question without supporting evidence

  Published: 22 Sep, 2026

  • 2 min read

  Three models found the expected documents. Unsupported questions exposed a separate requirement: stop when the knowledge base has no answer.