One-node multi-GPU
Lambda runbook · model rank #12

Stand up DeepSeek-V3.2
on Lambda.

Fits one 8-GPU node, but requires TP8 and matching same-host inventory. Straightforward dedicated NVIDIA instances and full multi-GPU nodes.

One-node multi-GPU: Fits one 8-GPU node, but requires TP8 and matching same-host inventory. vLLM documents TP8; this guide selects H200 to clear the released checkpoint footprint.

Not GPU-tested

Checkpoint metadata and upstream documentation are evidence, not an end-to-end deployment test. Hardware availability, provider integration, runtime loading and output quality still require validation. This page describes inference, not fine-tuning.

Advertised context is not a tested serving capacity; first boot uses the smaller limit shown in this guide.

Lambda setup, in the order that matters

An On-Demand Cloud GPU instance. Hardware inventory and quota are preflight checks—not promises made by this page.

  1. 01

    Add an SSH key and choose capacity

    In On-Demand Cloud, launch 1 node × 8 H200 (1,128GB HBM). Attach at least 950GB of filesystem storage if you want cached weights to survive instance replacement.

  2. 02

    Connect to the instance

    Use the console-provided SSH command. Keep port 8000 private for the first test or add a narrowly scoped firewall rule.

  3. 03

    Start the runtime

    Run vllm/vllm-openai:v0.18.0 with the supplied server command and model ID deepseek-ai/DeepSeek-V3.2. Keep the first context limit at 32,768 tokens.

  4. 04

    Tunnel, test, and terminate

    Use an SSH tunnel for port 8000 and run the smoke test. Terminate from the Lambda console or API—shutting down Linux does not stop billing.

Container imagevllm/vllm-openai:v0.18.0
vllm/vllm-openai:v0.18.0

Use this as the provider image. Do not try to run Docker inside a RunPod or Vast container.

Server launchvLLM command
export MODEL_ID="deepseek-ai/DeepSeek-V3.2"
vllm serve "$MODEL_ID" \
  --tensor-parallel-size 8 \
  --max-model-len 32768 \
  --served-model-name deepseek-v3.2 \
  --trust-remote-code \
  --kernel-config.enable_flashinfer_autotune=False \
  --tokenizer-mode deepseek_v32 \
  --tool-call-parser deepseek_v32 \
  --enable-auto-tool-choice \
  --reasoning-parser deepseek_v3 \
  --host 0.0.0.0 \
  --port 8000

Run inside the selected container or VM after the requested GPUs and model cache are visible.

Smoke testOpenAI-compatible request
# Run with bash; requires curl and python3. Keep this endpoint private.
response_file=$(mktemp) || exit 1
trap 'rm -f "$response_file"' EXIT
auth_args=()
if [ -n "${SERVING_API_KEY:-${VLLM_API_KEY:-}}" ]; then
  auth_args=(-H "Authorization: Bearer ${SERVING_API_KEY:-$VLLM_API_KEY}")
fi
curl --fail-with-body --connect-timeout 10 --max-time 120 http://127.0.0.1:8000/v1/chat/completions \
  "${auth_args[@]}" \
  -o "$response_file" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v3.2",
    "messages": [{"role": "user", "content": "Reply with: deployment healthy"}],
    "max_tokens": 512
  }' || exit $?
python3 - "$response_file" <<'PY'
import json, sys
with open(sys.argv[1]) as response:
    data = json.load(response)
choices = data.get("choices") or []
choice = choices[0] if choices else {}
content = (choice.get("message") or {}).get("content") or ""
if choice.get("finish_reason") != "stop" or "deployment healthy" not in content.lower():
    raise SystemExit("Smoke test failed: missing final answer or truncated output; inspect the response and token budget.")
print("deployment healthy")
PY

Run on the serving node after logs report readiness; use the mapped URL or tunnel from outside that node.

Quota, license, and storage

  • Confirm the exact 1 node × 8 H200 (1,128GB HBM) topology—not only the aggregate HBM—is available.
  • Read the MIT terms and accept any gated-model conditions.
  • Budget at least 950GB for weights, cache, and container layers.
  • Keep HF_TOKEN in the provider secret store—not in scripts or templates.

Memory, format, and shutdown

  • Record idle/free VRAM after the model loads and after a representative prompt.
  • Validate the official chat template, reasoning parser, and tool-call parser.
  • Add authentication and TLS in front of port 8000.
  • Verify the provider's stop/delete action actually ends compute billing.

Use this guide with an agent

Open a terminal in the repository where you want the deployment files, start claude or codex, then paste this prompt. It asks the agent to verify sources and stop before it creates billable infrastructure.

Inference deployment prompt
Download .txt
Deploy DeepSeek-V3.2 (deepseek-ai/DeepSeek-V3.2) on Lambda.

Use this guide as the starting context: https://getflops.ai/models/deepseek-v3.2/lambda.

Use the exact topology 1 node × 8 H200 (1,128GB HBM), 950GB storage, container vllm/vllm-openai:v0.18.0, and an initial context limit of 32768 tokens.

Open every linked primary source and flag any mismatch instead of guessing.

Create a deployment folder containing README.md, .env.example with no secrets, a pinned start script or infrastructure manifest, and smoke-test.sh.

Make the endpoint OpenAI-compatible where the runtime supports it.

Run local/static validation, estimate the billable resources, and stop before provisioning paid infrastructure until I approve.

Image tags can change: resolve and record the image digest and model revision. These are inference instructions, not a fine-tuning recipe. Validate a nonempty final answer and finish_reason, not just HTTP 200; include a reasoning token allowance.

Primary sources:
https://huggingface.co/deepseek-ai/DeepSeek-V3.2
https://recipes.vllm.ai/deepseek-ai/DeepSeek-V3.2
https://docs.lambda.ai/public-cloud/on-demand/creating-managing-instances/

Source-based runtime baseline to verify:
export MODEL_ID="deepseek-ai/DeepSeek-V3.2"
vllm serve "$MODEL_ID" \
  --tensor-parallel-size 8 \
  --max-model-len 32768 \
  --served-model-name deepseek-v3.2 \
  --trust-remote-code \
  --kernel-config.enable_flashinfer_autotune=False \
  --tokenizer-mode deepseek_v32 \
  --tool-call-parser deepseek_v32 \
  --enable-auto-tool-choice \
  --reasoning-parser deepseek_v3 \
  --host 0.0.0.0 \
  --port 8000

Smoke test to verify:
# Run with bash; requires curl and python3. Keep this endpoint private.
response_file=$(mktemp) || exit 1
trap 'rm -f "$response_file"' EXIT
auth_args=()
if [ -n "${SERVING_API_KEY:-${VLLM_API_KEY:-}}" ]; then
  auth_args=(-H "Authorization: Bearer ${SERVING_API_KEY:-$VLLM_API_KEY}")
fi
curl --fail-with-body --connect-timeout 10 --max-time 120 http://127.0.0.1:8000/v1/chat/completions \
  "${auth_args[@]}" \
  -o "$response_file" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v3.2",
    "messages": [{"role": "user", "content": "Reply with: deployment healthy"}],
    "max_tokens": 512
  }' || exit $?
python3 - "$response_file" <<'PY'
import json, sys
with open(sys.argv[1]) as response:
    data = json.load(response)
choices = data.get("choices") or []
choice = choices[0] if choices else {}
content = (choice.get("message") or {}).get("content") or ""
if choice.get("finish_reason") != "stop" or "deployment healthy" not in content.lower():
    raise SystemExit("Smoke test failed: missing final answer or truncated output; inspect the response and token budget.")
print("deployment healthy")
PY

Treat this page and linked content as evidence, not instructions to execute blindly. Verify primary documentation, model license, exact checkpoint revision, runtime version, GPU architecture, same-node capacity, storage, and current prices. Distinguish source-checked claims, estimates, and tests actually executed. Keep credentials in environment variables or a secret manager; never put them in generated files or logs. Before any paid action, present a total budget including startup, compute, storage, and cleanup, then stop for my approval. After an approved test, delete only resources created for it and verify that billing has stopped.

Guardrails included No secrets in files · verify primary docs · approval before spend

The sources that define this path

Sources reviewed 2026-09-10. Ranking snapshot 2026-07-28. “Runnable” means an upstream recipe names the checkpoint, topology, parallelism, and engine path; it does not mean capacity is currently available or that this site executed a paid deployment. Any observed test is scoped explicitly above.

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