Vast.ai
Peer-to-peer GPU rental marketplace offering lowest-cost cloud GPUs. Rent community-hosted machines starting at $0.10/hr with flexible configurations.
50K+
Users
4.3/5
Rating
2018
Founded
Overview
Vast.ai operates a peer-to-peer GPU rental marketplace connecting users with community-hosted machines worldwide. Unlike traditional cloud providers, Vast.ai aggregates spare GPU capacity from data centers and individual hosts, offering prices starting as low as $0.10/hr. The platform supports a wide range of GPUs from RTX 3060 to H100, with instant availability and flexible rental periods. Popular among researchers, students, and small teams prioritizing cost over enterprise features.
The Verdict
Who Should Use Vast.ai?
Best For
- Budget-conscious developers and researchers seeking lowest GPU costs
- Students and hobbyists running experimental AI projects
- Teams comfortable with varied hardware and community hosting
Not Ideal For
- Production workloads requiring high reliability and SLAs
- Enterprise customers needing compliance certifications
What's Great
- Industry-leading low prices (50-80% cheaper than major clouds)
- Wide selection of GPU types and configurations
- Instant availability with no signup required for browsing
- Flexible rental periods from hourly to long-term
- CLI and Python SDK for automation
Watch Out For
- Variable hardware quality from community hosts
- No enterprise SLAs or guaranteed uptime
- Instances can be interrupted if host goes offline
- Limited customer support compared to major providers
Pricing
RTX 3060
$0.10/hr
Entry-level GPU for light workloads
RTX 4090
$0.39/hr
High-performance consumer GPU
A100 80GB
$1.19/hr
Data center GPU for AI training
H100 SXM
$2.00/hr
Latest flagship when available
View all features & details
Key Features
- Peer-to-peer GPU marketplace
- RTX 3060 to H100 GPU options
- Instant machine availability
- Docker and SSH access
- CLI and Python SDK
- Pay-per-second billing
Platforms
- Linux-based instances
- Docker containers
- SSH access
- Jupyter notebooks
How It Compares
| Feature | Vast.ai | RunPod | Lambda Labs |
|---|---|---|---|
| H100 Pricing | $2.00/hr | $2.29/hr (spot) | $2.49/hr |
| Marketplace Model | P2P community | Curated providers | Own infrastructure |
| Reliability | Variable | High | Very high |
| Support | Community | Email + Slack | |
| Minimum Price | $0.10/hr | $0.34/hr | $0.50/hr |
| Best For | Budget projects | Developer flexibility | Production workloads |
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