Documentation Index
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By default, a model’s reply is delivered as a single complete message at the end of each turn. With streaming output enabled, the SDK pushes fine-grained incremental chunks as the model generates them — useful for typewriter effects, or for rendering reasoning and tool-invocation progress separately.
Enable
Set include_partial_messages=True in QoderAgentOptions:
from qoder_agent_sdk import QoderAgentOptions, access_token_from_env, query
options = QoderAgentOptions(
auth=access_token_from_env(),
include_partial_messages=True,
)
async for msg in query(prompt="Write a short analysis report", options=options):
...
Typewriter effect
The model’s text reply arrives as a sequence of incremental chunks; printing each chunk as it lands gives a typewriter effect:
import sys
from qoder_agent_sdk import StreamEvent
async for msg in query(prompt="...", options=options):
if isinstance(msg, StreamEvent):
delta = msg.event.get("delta")
if delta and delta.get("type") == "text_delta":
sys.stdout.write(delta["text"])
sys.stdout.flush()
Reasoning
Reasoning-capable models emit “thinking” chunks before their final reply:
if isinstance(msg, StreamEvent):
delta = msg.event.get("delta")
if delta and delta.get("type") == "thinking_delta":
sys.stdout.write(delta["thinking"])
sys.stdout.flush()
if isinstance(msg, StreamEvent):
delta = msg.event.get("delta")
if delta and delta.get("type") == "input_json_delta":
sys.stdout.write(delta["partial_json"])
sys.stdout.flush()
