Quick Answer
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Vast.ai costs $0.02 to $3.85 per GPU/hour as of May 2026, with 3 plans available. Plans: Interruptible at $0.1/GPU/hour, On-Demand at $0.3/GPU/hour, and Reserved at $0.2/GPU/hour. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: No free tier available

Vast.ai offers 3 pricing tiers: Interruptible, On-Demand, Reserved. Paid plans include Interruptible at $0.1/user/month, On-Demand at $0.3/user/month, Reserved at $0.2/user/month. The On-Demand plan is production workloads requiring guaranteed uptime.

Compared to other ai/gpu cloud compute software, Vast.ai is positioned at the budget-friendly price point.

  • 2 documented hidden costs beyond list price

How much does Vast.ai cost?

Vast.ai pricing ranges from $0.02 to $3.85/GPU/hour across 3 plans. Plans include Interruptible at $0.10/GPU/hour, On-Demand at $0.30/GPU/hour, Reserved at $0.20/GPU/hour.

Vast.ai Pricing Overview

Vast.ai has 3 pricing plans ranging from $0.02 to $3.85/GPU/hour. The Interruptible plan costs $0.10/GPU/hour, best for fault-tolerant batch training and inference. The On-Demand plan costs $0.30/GPU/hour, best for production workloads requiring guaranteed uptime. The Reserved plan costs $0.20/GPU/hour, best for steady, long-running workloads with predictable demand.

Vast.ai requiring Stop instance to stop billing; no advance notice required notice to cancel.

There are at least 2 documented hidden costs beyond Vast.ai's list price, including implementation, training, and add-on fees.

This pricing was last verified in May 5, 2026 from 2 independent sources.

Vast.ai is a GPU rental marketplace with three pricing tiers: Interruptible instances starting at $0.10/hr for workloads that can tolerate preemption, Reserved instances at $0.20/hr for more stable access, and On-Demand instances at $0.29/hr for uninterrupted compute. All usage is billed by the hour with no monthly commitment or free tier.

How Vast.ai Pricing Compares

Compare Vast.ai pricing against top alternatives in AI/GPU Cloud Compute.

Live calculator

What does Vast.ai actually cost you?

Drag the slider. Pick a tier. Watch your projected spend update live.

Tier
Billing
Your projected cost$2.5per month · $0.1/seat × 25 seats
Year 1 license$3012 months at this rate
At a glance

List price by tier (annualized, per seat)

Per-seat list price across Vast.ai's plans, annualized. Custom-priced tiers show a hatched bar.

Interruptible$1.2/yr
On-Demand$3.6/yr
Reserved$2.4/yr

All Vast.ai Plans & Pricing

Plan Monthly Annual Best For
View all features by plan (compare side-by-side)

Interruptible

  • 50%+ cheaper than on-demand rates
  • Per-second billing, no minimum hours
  • Preemptible — may be reclaimed by host
  • Ideal for fault-tolerant batch workloads
  • Checkpoint and resume supported
  • Lowest entry: TESLA V100 from $0.02/hr

On-Demand

  • Guaranteed uptime, no interruptions
  • Per-second billing, no minimum hours
  • Spin up/down anytime
  • RTX 4090 from $0.30/hr
  • RTX 5090 from $0.37/hr
  • A100 80GB from $0.73/hr
  • H100 SXM from $1.87/hr
  • H200 from $3.44/hr, B200 from $3.85/hr

Reserved

  • Up to 50% discount vs on-demand
  • 1, 3, or 6-month commitment terms
  • Guaranteed capacity for commitment period
  • Volume discounts available
  • Contact Sales required
Compare Vast.ai with alternativesAdjust seats, lock a tier, add up to 2 more products side-by-side. Shareable URL.

Compare Vast.ai vs Alternatives

Before committing to Vast.ai, compare pricing with these 3 alternatives in the same category.

All Vast.ai alternatives & migration guides

What Companies Actually Pay for Vast.ai

Review scores
Top pricing complaints
Serverless inference pricing significantly more expensive than dedicated API alternatives like OpenRouterInterruptible instances create unpredictable workflow disruptions for long-running jobs

Vast.ai Year 1 Total Cost by Company Size

Real deployment costs including licenses, implementation, training, and admin — not just the sticker price.

Serverless AI Inference (Single Model) $0 Year 1 total
$18/hour
Total $0

Running open-weight AI models such as DeepSeek or GLM via Vast.ai's serverless per-minute inference feature, with no GPU instance management required

hn (2025-12-28)

How Vast.ai Pricing Compares

Software Starting Price Top Price
Vast.ai $0.02/GPU/hour $3.85/GPU/hour
CoreWeave $10/instance/hour $68.8/instance/hour
Hyperbolic $0.3/GPU/hour $3.2/GPU/hour
Lambda $0.69/GPU/hour $6.99/GPU/hour
Modal Free $250/GPU/hour
Paperspace Free $39/GPU/hour

2 Vast.ai Hidden Costs Beyond the List Price

Beyond the listed price, Vast.ai has at least 2 documented hidden costs that can significantly increase total cost of ownership.

Watch for 2 hidden costs
  • Serverless Inference Pricing Premium vs. API Alternatives $18/hr
    high 1 source
    Hacker News "vast offers serverless per minute AI models so checking it for something like https://vast.ai/model/deepseek-v3.2-exp or even glm 3.6 basically every of these turns out to be $.30 cents/minute or 18$ per hour"
  • Interruptible Instance Interruption Loss 10-30% of license costs
    medium 1 source
    Hacker News "Your pricing is around 50-100% higher than vast.ai, a relatively mature competitor in this space who offers the same GPUs and more with beefier rigs."
Tip

Ask your Vast.ai sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 1 independent sources
Hacker News Tech community
Key claims include inline source attribution. Data verified against multiple independent sources. 5 source citations total.

Vast.ai Contract Terms

Vast.ai contracts do not auto-renew. Changes require Stop instance to stop billing; no advance notice required. These terms are sourced from verified buyer experiences.

Contract Terms
Auto-Renewal No
Cancellation Notice Stop instance to stop billing; no advance notice required
Minimum Commitment None for Interruptible and On-Demand; Reserved may carry a duration commitment
Mid-Term Downgrade Allowed
Payment Terms Pay-as-you-go, billed per hour
Price Escalation No published schedule; marketplace rates fluctuate with GPU supply and demand
Note

Users can switch between Interruptible, Reserved, and On-Demand tiers based on workload needs

How to Negotiate Vast.ai Pricing

Vast.ai contracts are negotiable. These 3 tactics are sourced from real buyer experiences and procurement specialists.

Negotiation Playbook 3 tactics
Use Interruptible Tier for Checkpoint-Tolerant Workloads high success

The Interruptible tier at $0.10/hr is roughly 66% cheaper than On-Demand at $0.29/hr. Design training pipelines and batch workloads to checkpoint frequently so that preemption results in minimal wasted compute. This is the single highest-leverage cost reduction available on Vast.ai.

Current tier data analysis
Compare Vast.ai Serverless vs. API Providers Before Choosing high success

For inference-only workloads, Vast.ai serverless pricing ($0.30/min, $18/hr) is substantially more expensive than token-based API providers. Evaluate whether you actually need raw GPU access or if an API provider would meet your needs at a fraction of the cost.

hn (2025-12-28)
Sort Marketplace Listings by Price medium success

Vast.ai is a competitive GPU marketplace where individual hosts set their own prices. Sorting available instances by hourly rate often surfaces options well below the tier minimums listed, especially for older or less-popular GPU models that still handle many ML workloads adequately.

hn (2023-06-15)

Full negotiation guide →

Vast.ai Pricing FAQ

01 How does Vast.ai pricing work?

Vast.ai operates as a GPU marketplace where independent hosts set their own prices based on supply and demand. Prices are dynamic and vary by GPU type, host reliability, location, and market conditions. You pay per second with no minimum commitment on on-demand instances. Interruptible instances are 50%+ cheaper but can be reclaimed by hosts. A $5 minimum deposit is required to start.

02 How much does an H100 cost on Vast.ai?

H100 GPUs on Vast.ai are available from approximately $1.47/hr on the marketplace, significantly cheaper than traditional cloud providers like AWS or Lambda Labs. Prices fluctuate with supply and demand — interruptible H100 instances can be even lower. For comparison, on-demand H100s on Lambda Labs list at $4.29/hr.

03 How much does an RTX 4090 cost on Vast.ai?

RTX 4090 instances on Vast.ai start from $0.29/hr for on-demand and can be lower on interruptible pricing. Stable on-demand instances typically run $0.39–$0.59/hr. This makes it one of the cheapest places to rent RTX 4090s for inference and fine-tuning workloads.

04 Does Vast.ai charge any platform fees?

Vast.ai does not charge platform fees or markups on top of host-set prices. You pay the host's listed rate directly. There are no hidden fees, though you also pay separately for storage and bandwidth at rates set by individual hosts.

05 Is Vast.ai reliable for production workloads?

Vast.ai's on-demand instances offer guaranteed uptime and are suitable for production inference. However, as a peer-to-peer marketplace, host reliability varies. Interruptible instances are not suitable for latency-sensitive or stateful production workloads. For critical workloads, on-demand instances from highly-rated hosts are recommended.

06 What is the difference between Vast.ai's Interruptible, Reserved, and On-Demand tiers?

Vast.ai offers three rental types: Interruptible instances start at $0.10/hr and are cheapest but can be preempted at any time by higher-bid jobs; Reserved instances at $0.20/hr offer a middle ground with more stability; On-Demand instances at $0.29/hr provide uninterrupted access for time-sensitive workloads. The right choice depends on how tolerant your workload is to interruption.

07 How does Vast.ai serverless pricing compare to using an AI API provider?

Vast.ai serverless model inference costs approximately $0.30/minute ($18/hour), which community users note is significantly more expensive than token-based API pricing from providers like OpenRouter. If you only need inference rather than flexible GPU access for training or custom workloads, dedicated API providers are likely to be cheaper.

08 Is Vast.ai cheaper than other GPU cloud rental platforms?

Community comparisons suggest Vast.ai is price-competitive in the GPU marketplace segment. Users have noted it offers significantly more resources per dollar than some competitors — for example, a 28-core/32GB RAM/2x RTX 3080 Ti configuration was cited as available on Vast for roughly half the cost of an equivalent Salad instance. However, competitors like RunPod are frequently mentioned as similarly priced alternatives worth benchmarking.

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