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Dynamo

[!NOTE] Day-0 DeepSeek-V4 recipes available. Tested Kubernetes deployment paths for DeepSeek-V4-Pro and DeepSeek-V4-Flash are merged to main on both vLLM and SGLang, with a prebuilt SGLang container image published on NGC.

The open-source, datacenter-scale inference stack. Dynamo is the orchestration layer above inference engines — it doesn't replace SGLang, TensorRT-LLM, or vLLM, it turns them into a coordinated multi-node inference system. Disaggregated serving, intelligent routing, multi-tier KV caching, and automatic scaling work together to maximize throughput and minimize latency for LLM, reasoning, multimodal, and video generation workloads.

Built in Rust for performance, Python for extensibility.

When to use Dynamo

• You're serving LLMs across multiple GPUs or nodes and need to coordinate them
• You want KV-aware routing to avoid redundant prefill computation
• You need to independently scale prefill and decode (disaggregated serving)
• You want automatic scaling that meets latency SLAs at minimum total cost of ownership (TCO)
• You need fast cold-starts when spinning up new replicas

If you're running a single model on a single GPU, your inference engine alone is probably sufficient.

Feature support at a glance:

Full Feature Matrix → — LoRA, request migration, speculative decoding, and feature interactions.

Key Results

What Dynamo Does

Most inference engines optimize a single GPU or a single node. Dynamo is the orchestration layer above them — it turns a cluster of GPUs into a coordinated inference system.

Architecture Deep Dive →

Core Capabilities

New in 1.0

• Zero-config deploy (DGDR) (beta): Specify model, HW, and SLA in one YAML — AIConfigurator auto-profiles the workload, Planner optimizes the topology, and Dynamo deploys
• Agentic inference: Per-request hints for latency priority, expected output length, and cache pinning TTL. LangChain + NeMo Agent Toolkit integrations
• Multimodal E/P/D: Disaggregated encode/prefill/decode with embedding cache — 30% faster TTFT on image workloads
• Video generation: Native FastVideo + SGLang Diffusion support — real-time 1080p on single B200
• K8s Inference Gateway plugin: KV-aware routing inside the standard Kubernetes gateway
• Storage-tier KV offload: S3/Azure blob support + global KV events for cluster-wide cache visibility

Quick Start

Option A: Container (fastest)

# Pull a prebuilt container (SGLang example)
docker run --gpus all --network host --rm -it nvcr.io/nvidia/ai-dynamo/sglang-runtime:1.1.1

# Inside the container — start frontend and worker
python3 -m dynamo.frontend --http-port 8000 --discovery-backend file > /dev/null 2>&1 &
python3 -m dynamo.sglang --model-path Qwen/Qwen3-0.6B --discovery-backend file &

# Send a request
curl -s localhost:8000/v1/chat/completions -H "Content-Type: application/json" -d '{
  "model": "Qwen/Qwen3-0.6B",
  "messages": [{"role": "user", "content": "Hello!"}],
  "max_tokens": 100
}' | jq

Also available: tensorrtllm-runtime:1.1.1 and vllm-runtime:1.1.1.

Option B: Install from PyPI

Install uv (curl -LsSf https://astral.sh/uv/install.sh | sh), then:

uv pip install --prerelease=allow "ai-dynamo[sglang]"   # or [vllm]

Note: TensorRT-LLM requires pip with --extra-index-url https://pypi.nvidia.com. See the install guide for TRT-LLM-specific instructions.

Then start the frontend and a worker as shown above. See the full installation guide for system dependencies and backend-specific notes.

Option C: Kubernetes (recommended)

For production multi-node clusters, install the Dynamo Platform and deploy with a single manifest:

# Zero-config deploy: specify model + SLA, Dynamo handles the rest
apiVersion: nvidia.com/v1beta1
kind: DynamoGraphDeploymentRequest
metadata:
  name: my-model
spec:
  model: Qwen/Qwen3-0.6B
  backend: vllm
  sla:
    ttft: 200.0   # ms
    itl: 20.0     # ms
  autoApply: true

Pre-built recipes for common models:

See recipes/ for the full list. Cloud-specific guides: AWS EKS · Google GKE

Building from Source

For contributors who want to build and develop locally. See the full build guide for details.

# Install system deps (Ubuntu 24.04)
sudo apt install -y build-essential libhwloc-dev libudev-dev pkg-config libclang-dev protobuf-compiler python3-dev cmake

# Install Rust
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh && source $HOME/.cargo/env

# Create venv and build
uv venv dynamo && source dynamo/bin/activate
uv pip install pip maturin
cd lib/bindings/python && maturin develop --uv && cd $PROJECT_ROOT
uv pip install -e lib/gpu_memory_service
uv pip install -e .

VSCode/Cursor users: see the .devcontainer for a pre-configured dev environment.

Community and Contributing

Dynamo is built in the open with an OSS-first development model. We welcome contributions of all kinds.

• Contribution Guide — How to contribute code, docs, and recipes
• Design Proposals — RFCs for major features
• Office Hours — Biweekly calls
• Community Meetings – Weekly (Wed 10:30 AM PT) development community meetings
• Discord — Chat with the team and community
• Dynamo Day Recordings — Deep dives from production users

Latest News

• [03/15] Dynamo 1.0 is here — production-ready with strong community adoption
• [03/15] NVIDIA Blackwell Ultra sets new inference records in MLPerf
• [03/15] NVIDIA Blackwell leads on SemiAnalysis InferenceMax benchmarks
• [12/05] Moonshot AI's Kimi K2 achieves 10x inference speedup with Dynamo on GB200
• [12/02] Mistral AI runs Mistral Large 3 with 10x faster inference using Dynamo
• [11/20] Dell integrates PowerScale with NIXL for 19x faster TTFT

Older news

Dynamo provides comprehensive benchmarking tools:

• Benchmarking Guide – Compare deployment topologies using AIPerf
• SLA-Driven Deployments – Optimize deployments to meet SLA requirements

Frontend OpenAPI Specification

The OpenAI-compatible frontend exposes an OpenAPI 3 spec at /openapi.json. To generate without running the server:

```bash cargo run -p dyn