GPU cloud comparison · 2026
CoreWeave vs Vast.ai
Vast.ai wins on 3 of 5 key metrics — but the right choice depends on your workload.
CoreWeave
Enterprise H100 clusters — Kubernetes-native GPU cloud
from $2.06/h
★★★★☆ 4.4 / 5 (412 reviews)
Try CoreWeave →VS
Overall Winner
Vast.ai
Cheapest GPU cloud — peer-to-peer marketplace for budget training
from $0.10/h
★★★★☆ 4.1 / 5 (2,108 reviews)
Try Vast.ai →Head-to-Head Comparison
CoreWeave
Vast.ai
Starting Price Lower hourly rate
from $2.06/h
from $0.10/h
Overall Rating User rating
4.4 / 5
4.1 / 5
GPU Types Variety
3 types
5 types
Max VRAM Largest available
80 GB
80 GB
Locations Regions covered
US, EU
US, EU, APAC, Global
Wins out of 5
2
3
GPU Availability
CoreWeave
H100 SXMA100 SXMA40
VRAM: 40–80 GB · Locations: US, EU
Vast.ai
RTX 3090RTX 4090A100H1003060
VRAM: 8–80 GB · Locations: US, EU, APAC, Global
Pros & Cons
CoreWeave
Pros
- Best multi-node GPU cluster performance
- High-speed InfiniBand interconnects
- Purpose-built for AI workloads
- Strong enterprise support
Cons
- Expensive — not for hobbyists
- Requires Kubernetes knowledge
- Sales-led process for large clusters
Vast.ai
Pros
- Absolute cheapest GPU compute available
- Widest GPU variety including consumer cards
- Good for fault-tolerant batch jobs
- Marketplace competition drives prices down
Cons
- Hosts can take instances offline anytime
- Variable reliability across providers
- Less suitable for time-sensitive inference
Which Should You Choose?
Choose CoreWeave if…
- You need GPU compute for Large-scale training
- You need GPU compute for Foundation models
- You need GPU compute for Enterprise AI
- You need GPU compute for Multi-node jobs
- Higher user satisfaction matters (4.4 vs 4.1)
Choose Vast.ai if…
- You need GPU compute for Batch training
- You need GPU compute for Budget experiments
- You need GPU compute for Stable Diffusion
- You need GPU compute for Data processing
- Lower price is your top priority (from $0.10/h vs from $2.06/h)
- You want more GPU variety (5 vs 3 types)