granite-4.1-3b-fp8

Checkpointibm-granite/granite-4.1-3b-fp8Model card indexedModel card

Support summary

granite-4.1-3b-fp8 is a checkpoint published by IBM, built on the GraniteForCausalLM architecture. vLLM lists its architecture, but not this exact checkpoint.

Configured context: 131,072 tokens
License: apache-2.0

Hugging Face model card

Publisher: IBM
Task: text generation
License: apache-2.0
Library: transformers
Architecture: GraniteForCausalLM
Weight tensor elements: 3.7B
Tensor types: BF16, F8_E4M3
Quantization: compressed-tensors · float-quantized
Configured context: 131,072 tokens
Base models: ibm-granite/granite-4.1-3b
Weight access: Public
Repository created: 2026-04-20

Source 1 Source 2 Source 3Reviewed 2026-09-05

Model notes and sources

Engine support

3 engines

Engine support for granite-4.1-3b-fp8
Engine	Release	Evidence scope	Last known supported
vLLM	`0.28.0`Newest indexed	Architecture listed; exact checkpoint unknown	No supported release indexed
Features, dependencies and evidence for vLLM 0.28.0
SGLang	`0.5.19`Newest indexed	No matching evidence curated	No supported release indexed
Features, dependencies and evidence for SGLang 0.5.19
TensorRT-LLM	`1.2.1`Newest indexed	No matching evidence curated	No supported release indexed
Features, dependencies and evidence for TensorRT-LLM 1.2.1