Method: client.generateText() (stream parsed chunks with client.streamChat()).
Example
Streaming
Key parameters
model (required): Target model id.
messages (required): Ordered messages with roles system|user|assistant|tool; content as strings or parts.
- Sampling:
temperature (0–2), top_p (0–1), top_k (>=1), seed (int, optional).
- Length/penalties:
max_output_tokens (int), presence_penalty and frequency_penalty (-2 to 2), stop (string|string[]).
- Tools:
tools (definitions), tool_choice (auto/none/specific tool), max_tool_calls (int), parallel_tool_calls (bool).
- Logprobs:
logprobs (bool), top_logprobs (0–20).
- Output:
response_format (json/text), metadata (object passthrough), stream (bool), service_tier.
- Gateway extras:
usage (bool to request usage), meta (bool to include meta block).
Returns
ChatCompletionsResponse
Or SSE frames when stream: true:
Last modified on July 26, 2026