PromptLayer vs Unify
No clear leader: Unify (66.1) and PromptLayer (63.3) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for llm gateways. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
PromptLayer
A platform that maintains logs of prompts and API requests, enabling debugging and replay of previous completions. Provides version tracking, testing, and monitoring with integrated tracing and evaluation features.
Unify
A platform that updates agent model weights based on feedback and production outcomes, enabling agents to improve over time rather than remaining frozen after deployment.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
PromptLayer
Free tier available. Pro starts at $49/month, Team at $500/month, both with usage-based billing ($0.002–$0.003 per transaction). Enterprise custom pricing.
- FreeFree
- 5 Users
- 2.5k/month Requests
- 1 Workspace
- 250/month Eval Cell Executions
- 10MB max per Dataset
- +1 more
- Pro$49/month plus $0.003/transaction
- Unlimited Playgrounds
- Unlimited Workspaces
- 150MB max per Dataset
- Webhooks Included
- Dedicated Support
- Team$500/month plus $0.002/transaction
- 25 Users
- 100k+/month Requests
- 7.5k+/month Eval Cell Executions
- 1GB max per Dataset
- Webhooks Included
- +2 more
- EnterpriseContact sales
- Custom limits on everything
- Role Based Access Controls
- Deployment Approvals
- HIPAA with BAA
- Flexible Hosting Options
- +2 more
Unify
Free to start with starter credits. $75/month for Team plan with no per-seat charges. Usage-based credit model.
- StarterFree
- All features included
- Team$75/month, monthly or annual billing
- All features
- Shared credit pool
- Unlimited team members
- EnterpriseContact sales
- Custom pricing
- SSO and audit logs
- DPA/BAA
- Data residency options
- Dedicated support
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- OpenAI
- Anthropic
PromptLayer
- Pydantic AI
- Google GenAI
- AWS Bedrock
- OpenTelemetry
- Azure OpenAI
- Vertex AI
- Gemini API
Unify
- Slack
- Microsoft Teams
- Gmail
- Outlook
- Google Workspace
- Microsoft 365
- Stripe
- Zendesk
- Discord
- SMS
- HubSpot
- DeepSeek
- Deepgram
- LiveKit
- Teams
- Microsoft Workspace
PromptLayer or Unify: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.