RigFit › Models › Mixtral 8x7B Instruct (MoE)

Best GPU for Mixtral 8x7B Instruct (MoE) (2026)

The cheapest GPU that runs Mixtral 8x7B Instruct (MoE) at 4-bit (Q4) is the RTX A6000 (48 GB), currently about $4,470 (used, GPU Sold, 2026-11-10). Mixtral 8x7B Instruct (MoE) needs roughly 28.4 GB of VRAM at Q4 with an 8K-token context. Don't want to buy? Rent a RTX A6000 that fits it from $0.33/hr (Runpod).

Prices updated Nov 12, 2026 · model on Hugging Face

Cheapest card that fits, by quantization

QuantVRAM neededCheapest GPU that fitsPriceEst. speed*Shop
Q428.4 GBRTX A600048 GBor rent one from $0.33/hrRunpod$4,470 usedGPU Sold · 2026-11-10~51 tok/sCheck priceused · eBayor new on Amazon
Q848.2 GBNo single GPU we track fits; needs multi-GPU — or rent a NVIDIA A100 80GB from $0.87/hr (below)
FP1689.0 GBNo single GPU we track fits; needs multi-GPU

*Rough estimate from memory bandwidth, single user. Context for text models: 8K tokens. Model specs: 46.7B parameters (12.9B active per token, mixture-of-experts); 32 layers, 8 KV heads × 128 head dim (from Hugging Face metadata, fetched 2026-10-18).

Or rent a GPU for Mixtral 8x7B Instruct (MoE)

QuantVRAM neededCheapest rentable GPU that fitsPriceEst. speed*
Q428.4 GBRTX A600048 GB$0.33/hrRunpod · Community Cloud~51 tok/sRent
Q848.2 GBNVIDIA A100 80GB80 GB$0.87/hrVast.ai · marketplace~78 tok/sRent
FP1689.0 GBNo single rentable GPU we track has enough VRAM; needs a multi-GPU pod

Cheapest on-demand hourly prices found 2026-11-12 05:55 ET. Marketplace prices move by the minute. Compare all rental prices and the buy-vs-rent break-even →

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FAQ

How much VRAM does Mixtral 8x7B Instruct (MoE) need?

About 28 GB at Q4, 48 GB at Q8, 89 GB at FP16 (including a 8K-token KV cache and ~1 GB runtime overhead).

What is the best budget GPU for Mixtral 8x7B Instruct (MoE)?

RTX A6000 is the cheapest card in our tracker that fits it at Q4.

Can I rent a GPU to run Mixtral 8x7B Instruct (MoE) instead?

Yes. The cheapest single rented GPU with enough VRAM for Q4 we found was a RTX A6000 at $0.33/hour on Runpod (2026-11-12). Marketplace prices change constantly.

How fast will it run?

Token generation on a single GPU is limited mostly by memory bandwidth. Our tokens/sec figures are estimates (0.6 × bandwidth ÷ bytes read per token) and real results vary by backend and settings.

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