Run gpt-oss-20b (MoE) on a VPS.
Prices checked
The cheapest VPS that runs gpt-oss-20b (MoE) is Leaseweb VPS 3 at $14.07 a month, with 24 GB of RAM for the 14 GB it needs, checked .
Best plans for gpt-oss-20b (MoE)
Most tokens per second for your money, comfortable fits first.
- 1
VPS 3 · 8 vCPU / 24 GB · Europe
Leaseweb · 8C · 24 GB · ~4.4–8.7 tok/s$14.07/mo - 2
VPS 3 · 8 vCPU / 24 GB · US
Leaseweb · 8C · 24 GB · ~4.4–8.7 tok/s$17.99/mo - 3
VPS 3 · 8 vCPU / 24 GB · UK
Leaseweb · 8C · 24 GB · ~4.4–8.7 tok/s$18.08/mo - 4
VPS 4 · 12 vCPU / 48 GB · Europe
Leaseweb · 12C · 48 GB · ~5.4–11 tok/s$26.13/mo - 5
VPS 3 · 8 vCPU / 24 GB · Singapore
Leaseweb · 8C · 24 GB · ~4.4–8.7 tok/s$22.36/mo - 6
VPS 4 · 12 vCPU / 48 GB · US
Leaseweb · 12C · 48 GB · ~5.4–11 tok/s$31.49/mo
What it needs
RAM needed
14 GB
CPU inference at native format
Weights
12.1 GB
native format
KV cache
410 MB
8K context
OS and runtime
1.5 GB
headroom
OpenAI's open-weight reasoner ships in MXFP4: ~13 GB on disk, 3.6B active, adjustable reasoning effort. Fits a 16 GB VPS.
- Size
- 21B total · 3.6B active
- Context
- 128K tokens
- Kind
- reasoning
- Released
- 2025-08
- License
- Apache-2.0
Facts from Hugging Face: exact GGUF file sizes, KV geometry from the GGUF header, 5,783,154 downloads.
Or rent it as an API
every price for gpt-oss-20b47 providers sell gpt-oss-20b.
OpenAI's own price
$0.04per M tokens
Cheapest price
$0.02per M tokens
TrustedRouter
What the VPS price buys
726M tokens a month
at $14.07 a month
Or rent a GPU
every GPU price1 provider rents the RTX A5000, with 24 GB of GPU memory against the 14 GB gpt-oss-20b (MoE) needs.
Cheapest board that fits
RTX A5000
24 GB of GPU memory
On demand
$0.16per GPU an hour
RunPod
Held for a month
$116.80
730 hours of RTX A5000 · Community Cloud
At 19 million tokens a month, what this box generates in 730 hours at its estimated rate, the API costs you $0.37, this VPS $14.07 and the GPU $116.80. Above about 726 million tokens a month the VPS costs less than the API, which is more than this box generates in a month.
Or buy hardware
all machines13 reference machines fit gpt-oss-20b (MoE).
Raspberry Pi 5 (16 GB)
Approximate16 GB · 17 GB/s · ~1–1.6 tok/s
$305= 22 mo of VPSGeForce RTX 5060 Ti 16 GB (card only)
Approximate16 GB · 448 GB/s · ~53–82 tok/s
$456= 32 mo of VPSGeForce RTX 5070 Ti 16 GB (card only)
Approximate16 GB · 896 GB/s · ~100+ tok/s
$1,190= 85 mo of VPSMac mini (M6, 32 GB)
32 GB · 153 GB/s · ~18–28 tok/s
$1,299= 92 mo of VPSGeForce RTX 5080 16 GB (card only)
Approximate16 GB · 960 GB/s · ~100+ tok/s
$1,650= 117 mo of VPSMac mini (M5 Pro, 24 GB)
24 GB · 307 GB/s · ~37–56 tok/s
$1,699= 10+ yrs of VPS
Buy · per month
$8.78
$8.47 hardware + $0.31 power
Rent · per month
$14.07
Leaseweb VPS 3 · 8 vCPU / 24 GB · Europe
Break-even
The Raspberry Pi 5 (16 GB) pays for itself after 22 months of replacing the VPS, and it streams an estimated 1–1.6 tok/s against the VPS's CPU-only pace.
How we count
On a CPU-only VPS gpt-oss-20b (MoE) needs about 14 GB of RAM: 12.1 GB of weights in the model's native format, 410 MB of KV cache for an 8,192-token context and 1.5 GB for the OS and runtime. 176 of the 527 plans in the index fit and include a disk. A plan runs it comfortably with 20% headroom over the total, and is a tight fit with exactly enough.
The plans are ranked by estimated tokens per second per dollar, comfortable fits first. Speed is effective memory bandwidth divided by active weight bytes (4 GB/s per shared vCPU, 6 per dedicated, times 0.5 for MoE routing overhead), shown as a band. Real numbers depend on the host CPU generation, AVX-512 and AMX support and how noisy the neighbours are, so treat them as an order of magnitude.
Token prices are per million, blended 3 in : 1 out, before tax. A price below the maker's is listed only when the provider says why. A rented box costs the same whether or not you use it and runs whatever else you put on it; an API charges for what you send and nothing when you stop.
A GPU rate is per GPU for an hour, and the monthly figure is 730 hours of the whole instance at it, tax excluded. The token price is $0.02 per million, blended 3 in : 1 out, the cheapest price (TrustedRouter), and the box is assumed busy every second of the month, which nothing is.
A machine tagged approximate is priced at the typical US street price in August 2026 rather than its maker's own price. Local speed is peak bandwidth times 0.7 efficiency (0.35 on CPU-only boards) divided by active weight bytes; unified-memory machines are assumed to give models 75% of their RAM. GPU cards need a host PC that is not in the price.
Frequently asked
- How much RAM does gpt-oss-20b (MoE) need?
- About 14 GB for CPU inference at Q4_K_M: 12.1 GB of weights, 410 MB of KV cache at 8,192 tokens of context, and 1.5 GB of headroom. Longer contexts need more KV cache (48 KB per token for this model).
- What is the cheapest VPS that can run gpt-oss-20b (MoE)?
- Leaseweb VPS 3 · 8 vCPU / 24 GB · Europe (24 GB RAM, 8 vCPU) at $14.07/mo excl. VAT runs it comfortably as of 31 Oct 2026. Leaseweb VPS 2 · 6 vCPU / 16 GB · Europe at $9.04/mo is a tight fit.
- How fast will gpt-oss-20b (MoE) run on a VPS without a GPU?
- Roughly 4.4–8.7 tok/s on the top pick. Token generation is limited by memory bandwidth, because each new token reads the active experts' weights once. More vCPUs help, dedicated ones most, but a GPU or an Apple silicon machine is 10 to 50 times faster.
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