How much GPU memory does LongWriter-Zero-32B need?

About 77.4 GB for conversations of up to 8,192 tokens: 65.53 GB of weights, the cache for one full-length conversation and the runtime's own memory.

What is the cheapest GPU to run LongWriter-Zero-32B?

Right now 4x RTX 3090 at $1.01 an hour; 4x RTX 5090 at $2.50 an hour is the best value for its speed. Prices are live offers from GPU clouds, checked every 15 minutes.

Can LongWriter-Zero-32B run on an RTX 4090?

Not on one: it needs about 77.4 GB and an RTX 4090 has 24 GB. Use a bigger GPU, or a smaller (quantized) version of the model.

How do I deploy LongWriter-Zero-32B as an API?

Pick a machine on its GridPup page and press Deploy: GridPup rents the GPU, downloads the model from Hugging Face and serves it at an https address with keys and OpenAI's chat API, billed by the hour.

Models / LongWriter-Zero

THU-KEG/LongWriter-Zero-32B

Text generation · served with vLLM · ↓ 86 downloads a month · View on Hugging Face

THU-KEG/LongWriter-Zero-32B needs about 77.4 GB of GPU memory for conversations of up to 8,192 tokens. It runs on 4x RTX 3090 from $1.01/h right now; best value: 4x RTX 5090 at $2.50/h.

Weights: 66 GB
GPU memory needed: about 77.4 GB
Conversation length: 8,192 tokens
Model allows: 32,768 tokens
Memory · disk: 40.8 GB · 113 GB
Architecture: Qwen2ForCausalLM
Licence: apache-2.0

Hardware and deploy

Endpoint name

$2.50/h from your balance while it runs, billed by the hour; stop it from its page. GridPup rents the machine, which downloads the model from Hugging Face (usually ready in 10 to 15 minutes), and gives you an https address, keys and a Playground.

Questions

How much GPU memory does LongWriter-Zero-32B need?: About 77.4 GB for conversations of up to 8,192 tokens: 65.53 GB of weights, the cache for one full-length conversation and the runtime's own memory.
What is the cheapest GPU to run LongWriter-Zero-32B?: Right now 4x RTX 3090 at $1.01 an hour; 4x RTX 5090 at $2.50 an hour is the best value for its speed. Prices are live offers from GPU clouds, checked every 15 minutes.
Can LongWriter-Zero-32B run on an RTX 4090?: Not on one: it needs about 77.4 GB and an RTX 4090 has 24 GB. Use a bigger GPU, or a smaller (quantized) version of the model.
How do I deploy LongWriter-Zero-32B as an API?: Pick a machine on its GridPup page and press Deploy: GridPup rents the GPU, downloads the model from Hugging Face and serves it at an https address with keys and OpenAI's chat API, billed by the hour.

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