{"method": "measured", "tokens": {"input": 726421, "cached_input": 703360, "cache_write": 0, "output": 2629, "total": 729050}, "attempt_output_tokens": 1604, "cost_usd": 0.4262, "responses": 13, "notes": "Codex token_usage_record events between this attempt's prompt and the next attempt's."}