Your first run — Eva docs

Open the Eva console, ask a question, read the answer, and see what it cost. Then do the same thing from a shell pipeline.

Open the console with no arguments:

eva

Type a question and press enter. Eva streams the answer as it arrives.

See what it cost

Type /cost. Eva prints what this session has spent.

Commands that begin with a slash are answered by the console itself. They never reach a model, so they cost nothing.

--print runs one prompt, writes the answer to stdout, and exits. This is the form to use in a script.

eva --print "what does this repository do?"

It is -p for short. The run exits non-zero when the answer fails, which makes it safe in a pipeline:

eva -p "summarise the last commit" > summary.txt

Press Esc to interrupt a run in progress. Press it again to confirm. Press Ctrl+C twice to leave the console.

What the interactive surface shows, and why.

Every slash command.

Eva in a pipeline, and its exit codes.

The words Eva uses for its own machinery.