DeepSeek-V4-Flash

Checkpointdeepseek-ai/DeepSeek-V4-FlashModel card indexedModel card

Support summary

DeepSeek-V4-Flash is a checkpoint published by DeepSeek, built on the DeepseekV4ForCausalLM architecture. vLLM 0.28.0, the newest indexed vLLM release, documents support. SGLang last documented support in 0.5.18; its newest indexed release does not list it.

vLLM documents support in 14 of 20 indexed releases, from 0.20.0 to 0.28.0.

Documented hardware
NVIDIA / CUDA and AMD / ROCm
Documented quantization
fp4 and 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
DeepSeek
Task
text generation
License
mit
Library
transformers
Architecture
DeepseekV4ForCausalLM
Weight tensor elements
290.9B
Tensor types
BF16, I64, F32, F8_E4M3, I8
Quantization
fp8
Configured context
1,048,576 tokens
Weight access
Public
Repository created
2026-04-22
Source 1: deepseek-ai/DeepSeek-V4-Flash · publisher model cardSource 2: deepseek-ai/DeepSeek-V4-Flash · Hugging Face metadataSource 3: deepseek-ai/DeepSeek-V4-Flash · publisher configurationReviewed
Model notes and sources

Engine support

3 engines

Engine support for DeepSeek-V4-Flash
EngineReleaseCheckpoint supportEvidence scopeLast known supported
vLLM0.28.0Newest indexedCheckpoint evidenceSource: vLLM v0.28.0 · docs/models/supported_models.mdReviewed 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/DeepSeek/DeepSeek-V4.mdxSource 2: sglang · docs/src/snippets/_deployment.jsxSource 3: sglang · docs/src/snippets/configs/deepseek-ai/deepseek-v4.jsxSource 4: sglang · docs/src/snippets/configs/deepseek-ai/deepseek-v4-benchmarks.jsxSource 5: sglang · docs/src/snippets/_playground.jsxReviewed
View 0.5.18
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