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Cost to run LongCat Flash Chat: local, rented GPU, and API

meituan-longcat · 561.9B parameters · 131.1K context · commercial OK

Local (your GPU)
$0 · ~389 GB VRAM
Rent a GPU
from $8.34/hr
Your API key
$4.60/1M est.

Best next step

Start with the lower-cost route supported by these inputs

Already have 389 GB of VRAM? Run Q4_K_M locally for $0 compute. Check what your hardware can run →

No matching GPU? For the same representative session, the chosen rented GPU is about $7.54 at $8.34/hr. Open RunPod at its current rate →

Decision basis: 4,000 input + 2,000 output tokens, rate table dated 2026-08-24. Size-based API estimates never beat a provider-sourced rate here; referral status never changes the winner.

What it costs to run LongCat Flash Chat — $0 markup

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Novita AI offers model APIs and GPU instances. We do not include its prices in Spanvero's ranking yet, so compare Novita's current price and fit yourself.

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LongCat Flash Chat — 561.9B params (meituan-longcat).

When does owning hardware beat the API?

LongCat Flash Chat needs more memory than any of our consumer hardware presets — running it locally means multi-GPU or workstation territory, so the API price is the honest baseline here.

Local is never $0 — every figure here includes electricity and hardware amortization. Speeds come from published 7-8B Q4 benchmarks (your model, quant, and context will differ); break-even volumes are rounded to 2 significant figures.

LongCat Flash Chat VRAM & system requirements

LongCat Flash Chat — key facts (as of 2026-08-24)
Parameters561.9B
Context window131.1K tokens
Recommended quantQ4_K_M
VRAM requirement~389 GB (at Q4_K_M, 16.4K context)
Download size~337 GB
LicenseCommercial use OK

Open the free LLM cost calculator → to model your workload, monthly cost, and break-even assumptions.

Quick answers about LongCat Flash Chat

How much does it cost to run LongCat Flash Chat?

Three paths: $0 marginal compute on already-owned hardware if the calculated 389 GB VRAM baseline at Q4_K_M fits your exact build and runner (electricity and allocated hardware excluded); a rented GPU from $8.34/hr (6× NVIDIA A100 80GB PCIe at the direct RunPod price); or about $4.60 per 1M blended tokens via your own API key (a rough estimate for this size). Spanvero adds $0 markup on every path.

Can I run LongCat Flash Chat locally?

Only with serious hardware: at Q4_K_M, LongCat Flash Chat needs about 389 GB of VRAM/unified memory — more than any consumer GPU or Mac we track — so local means multi-GPU workstation territory. Most people use a rented GPU or their own API key instead.

What GPU do I need to run LongCat Flash Chat?

No single consumer GPU we track holds LongCat Flash Chat — it needs about 389 GB at Q4_K_M. That is multi-GPU, cluster, or API territory.

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Spanvero · What's new · Prices as of 2026-08-24. We're an honest advisor — $0 markup, your own accounts, we never resell compute. Catalog specs auto-indexed from the Hugging Face Hub — parameter count is exact; download size and quantizations are estimates. © 2026 Cynosure LLC.

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