Moonshot AI · Chat and reasoning · 1T parameters · 32B active · modified-mit
Kimi K2.5
Needs 715 GB at INT4 / MXFP4. The smallest real configuration today is 8× RTX PRO 6000 at UpCloud, $7.78 per hour, about $5,676 a month at 730 hours.
Parameters1T32B active per token
Context256k tokensmaximum published
Checkpoint595 GBINT4-packed, as published
Licensemodified-mitcheck before commercial use
Released—documented date
Smallest configuration · INT4 / MXFP4
8× RTX PRO 6000768 GB VRAM · 93% used
- Per hour
- $7.78
- Per month
- $5,676
- Cheapest at
UpCloud
How much VRAM it needs
Weights plus runtime overhead, then the KV cache that grows with the context you serve.
| Precision | Weights | Weights + headroom | 4k context | 32k context | 128k context | 256k context |
|---|---|---|---|---|---|---|
| INT4-packedpublished checkpoint | 595 GB | 715 GB | 715 GB | 717 GB | 724 GB | 733 GB |
| KV cacheone sequence, FP16 cache, included above | — | — | 1 GB | 3 GB | 10 GB | 19 GB |
Cross-checked on Hugging Face Oct 28, 2026: 1026.9B parameters in the safetensors headers, 595.2 GB of weight files, attention layout from config.json (61 layers, latent rank 512). Method: weights as published at the native precision, verified on Hugging Face 2026-10-28; other precisions estimated at 1 (8-bit) and 0.6 (4-bit) bytes per parameter; × 1.2 runtime headroom; KV cache = 1152 bytes per token per layer × 61 full-attention layers (FP16 cache, one sequence).config.json ↗
What it costs to run, GPU by GPU
The fewest GPUs of one type whose total memory fits the model at short context, priced from the cheapest eligible on-demand offer for exactly that count (45-day window, newest reading per provider), with the next providers beside it. Monthly = 730 hours.
| GPU | Smallest config | VRAM used | $ / hour | $ / month | Cheapest at |
|---|---|---|---|---|---|
| RTX PRO 6000Best fit | 8× 96 GB768 GB total | 93% tight | $7.78 | $5,676 | |
| Gaudi 2 | 8× 96 GB768 GB total | 93% tight | $8.27 | $6,036 | |
| MI300X | 4× 192 GB768 GB total | 93% tight | $11.31 | $8,257 | |
| MI325X | 4× 256 GB1024 GB total | 70% | $12.29 | $8,972 | |
| B200 | 4× 180 GB720 GB total | 99% tight | $16.46 | $12,013 | |
| H100 NVL | 8× 94 GB752 GB total | 95% tight | $16.48 | $12,030 | |
| H200 | 8× 141 GB1128 GB total | 63% | $21.04 | $15,359 | |
| B300 | 4× 270 GB1080 GB total | 66% | $23.29 | $17,004 | |
| MI355X | 8× 288 GB2304 GB total | 31% | $23.60 | $17,228 | |
| H200 NVL | 8× 141 GB1128 GB total | 63% | $26.09 | $19,042 | |
| B200 CC | 4× 180 GB720 GB total | 99% tight | $36.19 | $26,419 | |
| B300 CC | 4× 270 GB1080 GB total | 66% | $46.31 | $33,806 | |
| GB300 | 4× 279 GB1116 GB total | 64% | $52.21 | $38,113 |
