Written by Jakub Rusinowski · Last updated September 6, 2026
Yes, comfortably — you'll have ~6.1 GB of headroom running VibeThinker 3B at Q4_K_M (1.8655875 GB, ~121 tok/s (est.)) with room for up to 32K context.
or compare on Vast.ai from $0.35/hr (typical low · varies)
As an Amazon Associate we earn from qualifying purchases. Cloud GPU links are referral links — we may earn a commission at no extra cost to you.
| VRAM | 8 GB |
| Memory Bandwidth | 448 GB/s |
| Quant | VRAM needed | Fits 8 GB? | Max context |
|---|---|---|---|
| F16 | 7.4 GB | ✓ Yes | 8K |
| Q8_0 | 4.5 GB | ✓ Yes | 32K |
| Q6_K | 3.8 GB | ✓ Yes | 32K |
| Q5_K_M | 3.4 GB | ✓ Yes | 32K |
| Q4_K_M | 3.1 GB | ✓ Yes | 32K |
| Q3_K_M | 2.5 GB | ✓ Yes | 32K |
| Q2_K | 2.2 GB | ✓ Yes | 32K |
VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 8 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
| VibeThinker 3B | Q4_K_M · 1.8655875 GB · ~121 tok/s (est.) |
| VibeThinker 1.5B | Q4_K_M · 0.929775 GB · ~180 tok/s (est.) |
At 2 hrs/day, buying (~$379) beats renting at $0.34/hr after about 19 months.
Affiliate links — we may earn a commission if you sign up, at no extra cost to you.
Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Yes, comfortably — you'll have ~6.1 GB of headroom running VibeThinker 3B at Q4_K_M (1.8655875 GB, ~121 tok/s (est.)) with room for up to 32K context.
VibeThinker 3B at Q4_K_M quantization (1.8655875 GB), estimated ~121 tokens/sec, up to 32K context.
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| VibeThinker 3B | 1.9 GB | Runs | ~121 tok/s |
| VibeThinker 1.5B | 0.9 GB | Runs | ~180 tok/s |
← Can I Run It? | VibeThinker Model Page | NVIDIA GeForce RTX 5060 Ti 8GB GPU Page | Check Your Hardware