GLM-5.2-FP8

Checkpointzai-org/GLM-5.2-FP8Model card indexedModel card

Support summary

GLM-5.2-FP8 is a checkpoint published by Z.ai, built on the GlmMoeDsaForCausalLM architecture. vLLM 0.28.0, the newest indexed vLLM release, documents support. Official recipes or cookbooks cover SGLang, without pinning a stable release.

Documented hardware
NVIDIA / CUDA and AMD / ROCm
Documented quantization
FP8
Documented features
Multi-token prediction, Reasoning parsers, Speculative decoding, Tensor parallelism, and Tool calling
Configured context
1,048,576 tokens
License
mit

Hardware, quantization and features count only statements about this checkpoint; engine-wide capabilities are listed with each release.

Hugging Face model card
Publisher
Z.ai
Task
text generation
License
mit
Library
transformers
Architecture
GlmMoeDsaForCausalLM
Weight tensor elements
753.3B
Tensor types
BF16, F8_E4M3, F32
Quantization
fp8
Configured context
1,048,576 tokens
Languages
en, zh
Weight access
Public
Repository created
2026-06-16
Source 1: zai-org/GLM-5.2-FP8 · publisher model cardSource 2: zai-org/GLM-5.2-FP8 · Hugging Face metadataSource 3: zai-org/GLM-5.2-FP8 · publisher configurationReviewed

Publisher deployment guidance

Model notes and sources

Engine support

3 engines

Engine support for GLM-5.2-FP8
EngineReleaseCheckpoint supportEvidence scopeLast known supported
vLLM0.28.0Newest indexedCheckpoint evidenceSource 1: vllm · models/zai-org/GLM-5.2.yamlReviewed 0.28.0This release
Features, dependencies and evidence for vLLM 0.28.0
SGLangVaries by configurationRecipe / cookbookDocumented recipe

Official recipe

Source 1: sglang · docs/cookbook/autoregressive/GLM/GLM-5.2.mdxSource 2: sglang · docs/src/snippets/_deployment.jsxSource 3: sglang · docs/src/snippets/configs/zai-org/glm-5.2.jsxSource 4: sglang · docs/src/snippets/configs/zai-org/glm-5.2-benchmarks.jsxSource 5: sglang · docs/src/snippets/_playground.jsxReviewed
No supported release indexed
Features, dependencies and evidence for SGLang 0.5.19
TensorRT-LLM1.2.1Newest indexedNo matching evidence curatedNo supported release indexed
Features, dependencies and evidence for TensorRT-LLM 1.2.1

Recipes and cookbooks