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Open Breno

Ask and citations

Ask a question in plain language, read the numbered citations, check a source, and understand why an answer says it cannot answer.

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New Chat is where you ask. An answer is written from the items you are allowed to read, and every claim points to the passage it came from.

Ask a question#

Open New Chat, type a question and send it. The answer streams in. Ask in the words you would use with a colleague; you do not need keywords.

Asking costs 1 coin, plus a little more for very large answers. Searching and reading do not cost anything. See Billing and coins.

Read the answer#

An answer has three parts:

  1. The text, with numbered markers.
  2. The sources, listed under the answer: each shows the item's title, where it lives (Slack, GitHub, Linear…), who wrote it, when it was last updated, and a short quotation.
  3. A confidence figure. It reflects how well the retrieved passages support the answer.

Select a marker or a source to see the passage. Open source opens the item in Breno, and the link to the original opens it where it lives.

Check how it was built#

Why this answer? shows the reasoning behind the answer: which passages were used and how they were ranked. If you disagree with an answer, this is where to see why it said what it said. See How answers are built.

When it says it cannot answer#

Breno is built to refuse rather than guess. If the retrieved passages do not support an answer, it says so, and may show the closest passages it found. That is the system working as designed; it usually means the material is not in Breno yet, or you may not have access to it.

Conversations#

Your conversations are kept, and a reopened conversation shows its citations again. Follow-up questions work in the same thread.

Use your own model#

If you add your own Claude, ChatGPT or OpenAI-compatible account, answers use it first. See Use your own AI model.

From other tools#

The same question and answer is available as ask_knowledge over MCP and POST /search/ask over the REST API, with the same citations and the same access rule. To get passages without an answer, use search, which generates nothing and costs no coins. See Search and ask.