Streaming Output (Streaming Generate Content): Full Code Implementation for a Silky-Smooth Typewriter Experience
Say no to long waits! A hands-on guide to consuming an Async Iterator and rendering a large model's carefully chosen words in real time on the front end as a silky-smooth typewriter animation, with full code implementation.
1. The UX Leap of Streaming Output
If streaming output is not enabled, users must stare at a blank screen and wait 5–10 seconds until the entire article is generated.
With streaming output enabled, time to first token (TTFT) is reduced to under 500 milliseconds, making the experience extremely smooth.
2. Hands-On Python Streaming Code
response = model.generate_content("Write an outline for a 10,000-word science fiction novel", stream=True)
for chunk in response:
print(chunk.text, end="", flush=True)
By iterating over the chunk data stream and enabling immediate terminal refresh (flush=True), characters pour out in real time like a spring!