Top 5 Price Movers This Week
- 1 RTX 3090 ↑ +131.7% — Vast.ai spot hit $0.3194/hr, up from $0.1379 last week. This is the single biggest weekly move in the GridStackHub 34-provider network. Crypto mining demand and AI inference at consumer tier driving the surge.
- 2 RTX 4090 ↑ +81.2% — Vast.ai spot at $0.7022/hr, up from $0.3876. Same consumer market dynamics as RTX 3090.
- 3 A10G ↑ +94.8% — Vast.ai spot at $0.4507/hr, up from $0.2313. AWS-inherited model gaining traction in the spot market.
- 4 A40 ↑ +86.2% — Vast.ai spot at $0.1454/hr, up from $0.0781. Stable inference card at consumer prices.
- 5 V100 ↑ +43.6% — Vast.ai spot at $0.1897/hr, up from $0.1321. Legacy card demand rising as teams cost-optimize.
- 6 H100 spot ↓ -15.8% — Vast.ai spot at $1.49/hr, down from $1.77. Enterprise softening signal — H100 on-demand remains available in the $3–4/hr range but spot supply is loosening.
Vast.ai Consumer Spot Surge Analysis
Vast.ai is a consumer/small-business focused GPU marketplace where individuals rent out their personal GPU hardware. The surge in consumer card prices (RTX 3090, 4090, A10G, A40) reflects two converging trends: crypto mining profitability up (ETH resurgence, new PoW coins) and AI inference demand flowing down to consumer-grade hardware as teams seek lower-cost alternatives to enterprise H100/A100 contracts.
Blackwell Deep Dive: B300 & B200
The B300 (Blackwell Ultra) averaged $6.12/hr this week — up +30.3% from the prior week's $4.69/hr average. Only 3 providers are tracked: CoreWeave spot at $4.48/hr, RunPod on-demand around $6.94/hr, and RunPod community spot. B300 offers 288GB HBM3e vs B200's 192GB and ~50% more FP4 throughput. As more providers roll out B300 capacity in Q3-Q4 2026, supply should increase and pricing should stabilize — but for now the thin market amplifies every price move.
Nvidia B200 averaged $6.86/hr across 13 tracked providers, up +27.1% from last week's $5.40. The cheapest B200 is Vast.ai spot at $6.40/hr — though that price may shift given the consumer spot market volatility this week. CoreWeave remains the enterprise anchor for B200. On-demand guaranteed capacity starts around $5.29–$5.98/hr.
GB200 NVL remains a ghost in the index: only 1 provider tracked (CoreWeave, $5.25/hr per GPU on-demand, 8-GPU nodes at $42/hr total). No price movement this week.
Full GPU Price Index — Week 23, 2026
| GPU Model | Avg $/hr | Min $/hr | Max $/hr | WoW | Trend | Providers |
|---|---|---|---|---|---|---|
| Nvidia B300 (Blackwell Ultra) | $6.12 | $4.48 | $6.94 | ↑ +30.3% | Rising Fast | 3 |
| Nvidia B200 (Blackwell) | $6.86 | $6.40 | $8.60 | ↑ +27.1% | Rising | 13 |
| GB200 NVL (Blackwell) | $5.25 | $5.25 | $5.25 | → 0% | Stable | 1 |
| Nvidia H200 | $3.90 | $0.50 | $6.30 | ↓ -21.3% | Dropping | 14 |
| Nvidia H100 | $3.39 | $1.49 | $13.50 | ↓ -2.3% | Dropping | 73 |
| Nvidia A100 (80GB) | $2.72 | $0.125 | $19.44 | ↓ -4.7% | Dropping | 101 |
| Nvidia A100 (40GB) | $2.90 | $1.10 | $5.12 | ↓ -10.7% | Dropping | 13 |
| Nvidia L40S | $1.74 | $0.42 | $12.48 | ↓ -12.2% | Dropping | 31 |
Should I be concerned about the Vast.ai consumer GPU spot surge?
Short answer: not if you're running enterprise workloads on H100/B200/A100.
The consumer GPU surge (RTX 3090 +131%, RTX 4090 +81%) is a Vast.ai spot market phenomenon — it's a secondary market where individuals rent personal GPUs. Enterprise GPU pricing (H100, A100, B200, B300) runs on separate supply chains and is unaffected. If anything, the consumer surge signals an opportunity: AI teams running interruptible workloads at the consumer tier are getting squeezed, which may push some of that demand to enterprise spot markets — actually good news for H100 spot availability at the enterprise level (hence the -15.8% H100 spot drop on Vast.ai).
If you're using Vast.ai for inference workloads, watch the RTX pricing closely this week. The surge is volatile and may correct quickly if crypto markets shift. Set a price alert on GridStackHub and we'll notify you if the opportunity window reopens.