GPU cloud comparison · 2026
Azure GPU (NCv3/NDA) vs Vast.ai
Azure GPU (NCv3/NDA) wins on 3 of 5 key metrics — but the right choice depends on your workload.
Overall Winner
Azure GPU (NCv3/NDA)
Microsoft's GPU cloud — best for Azure ML and enterprise AI
from $2.94/h
★★★★☆ 4.1 / 5 (1,934 reviews)
Try Azure GPU (NCv3/NDA) →VS
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
Azure GPU (NCv3/NDA)
Vast.ai
Starting Price Lower hourly rate
from $2.94/h
from $0.10/h
Overall Rating User rating
4.1 / 5
4.1 / 5
GPU Types Variety
4 types
5 types
Max VRAM Largest available
80 GB
80 GB
Locations Regions covered
US, EU, APAC, Global
US, EU, APAC, Global
Wins out of 5
3
2
GPU Availability
Azure GPU (NCv3/NDA)
A100H100V100T4
VRAM: 16–80 GB · Locations: US, EU, APAC, Global
Vast.ai
RTX 3090RTX 4090A100H1003060
VRAM: 8–80 GB · Locations: US, EU, APAC, Global
Pros & Cons
Azure GPU (NCv3/NDA)
Pros
- Deep OpenAI / Azure OpenAI integration
- Best choice for Microsoft-stack enterprises
- Strong compliance and government certifications
- Azure ML Studio for no-code ML
Cons
- High on-demand pricing
- Complex portal and billing
- Vendor lock-in with Azure ecosystem
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 Azure GPU (NCv3/NDA) if…
- You need GPU compute for Azure ML pipelines
- You need GPU compute for Microsoft stack AI
- You need GPU compute for Enterprise compliance
- You need GPU compute for OpenAI API users
- Higher user satisfaction matters (4.1 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 $2.94/h)
- You want more GPU variety (5 vs 4 types)