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Ballpark numbers assuming Sonnet 4.6, medium-sized queries.

Cost drivers to watch

  1. Model choice — Opus is 5× everything.
  2. web_search — highest single tool cost. Capped where Xura controls it.
  3. max_tokens — output cap. Xura sets reasonable defaults (2500 for flows/signals).
  4. Data row count — big query results = big context = expensive next turn.
  5. Continuations — pause_turn loops that go deep. Xura caps at 1 for cost paths.

Where to see spend

Settings → Activity log. Filter by source to isolate a feature’s cost.