All versions · Version range: v0.4.2–v0.23.0

max_model_len

Maximum sequence length, including prompt and output tokens, used by vLLM configuration and scheduler validation.

SettingvLLM v0.4.2vLLM v0.23.0verified Jul 9

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Availability

max_model_len is exposed as a SchedulerConfig constructor parameter in the v0.4.2 source snapshot.

vllm.config.scheduler_configpartial_promoted_sliceSchedulerConfig constructor surface in vLLM config.py

vLLM v0.4.2 config.py · vllm/config.py:584-610

max_model_len is exposed on SchedulerConfig in the v0.23.0 source snapshot. The parameter is an InitVar stored on ModelConfig, used by SchedulerConfig for fallbacks and validation.

vllm.config.scheduler_configcomplete_inventorySchedulerConfig InitVar constructor parameter in vllm/config/scheduler.py

vLLM v0.23.0 config scheduler.py · vllm/config/scheduler.py:29-33