SAVRN Model Hub · Qwen3.8-Flash-Next-125B-A5B-INT4-AutoRound
Qwen3.8-Flash-Next-125B-A5B-INT4-AutoRound GPU Requirements
Qwen3.8-Flash-Next-125B-A5B-INT4-AutoRound needs about 298 GB of GPU memory at 16-bit, 149 GB at 8-bit and 74.4 GB at 4-bit: its 124B parameters plus a 20% working margin. The cheapest setup at 16-bit is 2x MI300X from $3.70 an hour, about $2,701 a month around the clock. None of the 9 accelerators the SAVRN Index prices holds it on one card at 16-bit.
Every Accelerator, Every Precision
How many cards of each accelerator the SAVRN Index prices it takes to hold Qwen3.8-Flash-Next-125B-A5B-INT4-AutoRound, and what that many cards cost an hour at the lowest listed on-demand price. Memory needed: 298 GB at 16-bit, 149 GB at 8-bit, 74.4 GB at 4-bit.
| Accelerator | Memory per card | Lowest price per card | 16-bit | 8-bit | 4-bit |
|---|---|---|---|---|---|
| H100 Voltage Park |
80 GB | $1.99 | 4 cards $7.96/hr |
2 cards $3.98/hr |
1 card $1.99/hr |
| H200 GMI Cloud |
141 GB | $2.60 | 3 cards $7.80/hr |
2 cards $5.20/hr |
1 card $2.60/hr |
| B200 Vultr |
180 GB | $3.50 | 2 cards $7.00/hr |
1 card $3.50/hr |
1 card $3.50/hr |
| GB200 NVL72 GMI Cloud |
186 GB | $8.00 | 2 cards $16.00/hr |
1 card $8.00/hr |
1 card $8.00/hr |
| MI300X Vultr |
192 GB | $1.85 | 2 cards $3.70/hr |
1 card $1.85/hr |
1 card $1.85/hr |
| MI325X Vultr |
256 GB | $2.00 | 2 cards $4.00/hr |
1 card $2.00/hr |
1 card $2.00/hr |
| B300 Massed Compute |
268 GB | $6.60 | 2 cards $13.20/hr |
1 card $6.60/hr |
1 card $6.60/hr |
| GB300 NVL72 Verda |
279 GB | $9.06 | 2 cards $18.12/hr |
1 card $9.06/hr |
1 card $9.06/hr |
| MI355X Vultr |
288 GB | $2.59 | 2 cards $5.18/hr |
1 card $2.59/hr |
1 card $2.59/hr |
Running It Around the Clock
| Precision | Cheapest setup | Per hour | Per month (730 hours) |
|---|---|---|---|
| 16-bit | 2x MI300X (Vultr) | $3.70 | $2,701 |
| 8-bit | 1x MI300X (Vultr) | $1.85 | $1,350 |
| 4-bit | 1x MI300X (Vultr) | $1.85 | $1,350 |
One copy of the model on rented cards, busy or idle. Serving more users at once takes more copies or more memory for their contexts.
Questions
How much VRAM does Qwen3.8-Flash-Next-125B-A5B-INT4-AutoRound need?
About 298 GB at 16-bit; about 149 GB at 8-bit; about 74.4 GB at 4-bit: the weights plus 20% for the runtime and a short context. A long context needs more.
What is the cheapest GPU setup to run Qwen3.8-Flash-Next-125B-A5B-INT4-AutoRound?
At 16-bit, 2x MI300X from $3.70 an hour, at the lowest on-demand price the SAVRN Index lists.
Can Qwen3.8-Flash-Next-125B-A5B-INT4-AutoRound run on a single H100?
Yes at 4-bit: an H100 has 80 GB and Qwen3.8-Flash-Next-125B-A5B-INT4-AutoRound needs 74.4 GB at 4-bit.
Memory is the weights at that precision plus 20% for the runtime and a short context. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Sep 19, 2026. Setups beyond eight cards, one server, are not listed.