Phala
Private execution with verifiable results for confidential AI workloads.
Ranked #4 in Best LLM security tools, and on 2 more rankings.
Phala is a confidential AI cloud platform that enables private inference and training within hardware-backed trusted execution environments. It allows users to keep secrets private while providing verifiable proof of what ran.
At a glance
| Best for | Enterprise teams requiring secure AI compliance |
From Phala's own website.
Company facts
| Social profiles | GitHub |
Facilities and features
Its website also mentions:
- Published pricing
- API
- SOC 2
- GDPR
What stands out
The AI tool emits runtime measurements that software can verify via cryptographic attestations.
“Instead of asking users to trust a cloud claim, Phala emits runtime measurements that software can verify. $ phala cvms attestation cvm-id”Phala, own website
Phala supports existing Docker services and popular AI frameworks including TensorFlow and PyTorch.
“Phala supports existing Docker services and popular AI frameworks including TensorFlow, PyTorch, and Hugging Face. 4”Phala, own website
How it ranks
Phala is ranked 4th of 10 in Best LLM security tools (Lister Score 90.0), 6th of 10 in Best AI inference platforms (Lister Score 90.0) and 7th of 10 in Best GPU cloud providers (Lister Score 90.0).
#4 in Best LLM security tools · Lister Score 90.0
Supports existing Docker services and popular AI frameworks including TensorFlow and PyTorch.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; buying information on its own site 16; how complete its published information is 14.
“Frontier inference without exposing prompts, tools, or memory. OpenAI-compatible APIs run inside hardware-backed TEEs and return proof of the runtime that handled the request.”Phala, own website
| Rank | Best LLM security tools | Score |
|---|---|---|
| 1 | Giskard | 96.0 |
| 2 | RedPill | 94.0 |
| 3 | Blackbox AI | 90.0 |
| 4 | Phala | 90.0 |
| 5 | Lakera | 88.0 |
| 6 | axem | 84.0 |
| 7 | Iterate.ai | 84.0 |
| 8 | Opaque | 82.0 |
| 9 | HiddenLayer | 80.0 |
| 10 | Strongwall.ai AI Appliance | 80.0 |
#6 in Best AI inference platforms · Lister Score 90.0
Phala enables users to run agents and private models inside hardware-backed trusted execution environments. It allows teams to keep secrets private while proving exactly what code executed.
Emits runtime measurements that software can verify via cryptographic attestations.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; buying information on its own site 16; how complete its published information is 14.
“Private AI Inference Private AI Training Private AI Data Phala vs AWS Nitro Phala vs GCP Confidential VM”Phala, own website
| Rank | Best AI inference platforms | Score |
|---|---|---|
| 1 | RedPill | 94.0 |
| 2 | Fal | 92.0 |
| 3 | FriendliAI | 92.0 |
| 4 | Runware | 92.0 |
| 5 | Inworld | 90.0 |
| 6 | Phala | 90.0 |
| 7 | MindsHub by MindsDB | 88.0 |
| 8 | River AI | 88.0 |
| 9 | Subconscious | 88.0 |
| 10 | Together AI | 88.0 |
#7 in Best GPU cloud providers · Lister Score 90.0
Phala enables users to run agents and private models inside hardware-backed trusted execution environments. It allows teams to keep secrets private while proving exactly what code executed.
Emits runtime measurements that software can verify via cryptographic attestations.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; buying information on its own site 16; how complete its published information is 14.
“proof path gpu Confidential GPU GPU marketplace Launch H100, H200, and B300 GPU capacity with TEE-backed runtime proof and public attestations.”Phala, own website
| Rank | Best GPU cloud providers | Score |
|---|---|---|
| 1 | RunPod | 94.0 |
| 2 | Vast.ai | 94.0 |
| 3 | Fal | 92.0 |
| 4 | FriendliAI | 92.0 |
| 5 | Runware | 92.0 |
| 6 | CoreWeave | 90.0 |
| 7 | Phala | 90.0 |
| 8 | DeepInfra | 86.0 |
| 9 | Novita AI | 86.0 |
| 10 | TensorDock | 86.0 |
Frequently asked questions
How does Phala rank on Lister?
Phala is ranked 4th of 10 in Best LLM security tools (Lister Score 90.0), 6th of 10 in Best AI inference platforms (Lister Score 90.0) and 7th of 10 in Best GPU cloud providers (Lister Score 90.0).