vllm.parser.seed_oss ¶

seed_oss parser for tool calls and reasoning.

seed_oss shares the Qwen3 XML grammar exactly; only the wrapper token strings and the turn-boundary tokens differ::

<think>      -> <seed:think>
</think>     -> </seed:think>
<tool_call>  -> <seed:tool_call>
</tool_call> -> </seed:tool_call>
<|im_start|> -> <seed:bos>
<|im_end|>   -> <seed:eos>

<function=...> and <parameter=...> are byte-identical, so the entire transition table and _qwen3_arg_converter are inherited from :class:Qwen3Parser unchanged.