Output Control Overview

When structured results must feed downstream systems, you usually want stable fields and predictable structure even across model changes. Agently v4 uses Agently Output Format, ensure_keys, and Instant structured streaming to keep outputs consistent. In practice, even small models like qwen2.5:7b can achieve over 99% success for controlled outputs, and combining ensure_keys makes failure extremely unlikely.

Common scenarios include business outputs with stable fields (forms, tickets, reviews, summaries), multi-step flows with dependencies, low-latency UIs that need structured streaming, and reducing output drift across models.

Map

• Agently Output Format
• ensure_keys for critical fields
• Order and dependency control
• Instant structured streaming

Shortest path

from agently import Agently

agent = Agently.create_agent()

result = (
  agent
  .input("Write one-line positioning for Agently")
  .output({ "Positioning": ("str", "One-line positioning") })
  .start()
)

print(result["Positioning"])