
Keywords AI
AI router with observability and automated evaluations
- Freemium· from $199/month
- Web
- API Available

What is Keywords AI?
Keywords AI is an AI Observability tool. AI router with observability and automated evaluations. Keywords AI is freemium: it has a free plan, and paid plans start at $199/month. It is available on Web App. It is aimed at developers and product managers.
Respan is an enterprise-grade platform for building, monitoring, and improving AI applications. It offers LLM observability, automated evaluations, and agent tracing to help developers and product managers optimize their AI workflows.
Built for developers and product managers.
Key capabilities
Features
LLM Observability
Automated Evals
Prompt Optimization
LLM Gateway
Agent Tracing
Multi-Model Routing
LLM Monitoring
Continuously monitors LLM operations and metrics.
Model Versioning
Manages and deploys the best-performing model versions.
Change Detection
Identifies when changes occur in AI operations.
Agent Activity Tracking
AI Observability Platform
Offers comprehensive observability for AI systems.
Certifications
Use cases
- Monitor and evaluate AI agent performance
- Optimize prompts for better LLM results
- Route requests to the most suitable model
- Track AI agent activities and decisions
- Automatically evaluate LLM outcomes
- Manage and deploy model versions based on performance
Who it's for
Pros & cons
Pros
- Public API available
- Free plan available
- Integrates with Zapier
- Integrates with AWS
- Integrates with Azure
Cons
No documented limitations yet.
Pricing
Freemium — paid plans start at $199/month.
| Plan | Price |
|---|---|
| Free | Free |
| Team | $199 / month |
| Enterprise | Custom |
AI models
- DeepSeek V4
Developer & API
Public API available
- Authentication
- API Key
- Webhooks
- Supported
Security & compliance
- SOC 2
- ISO 27001
- GDPR
- HIPAA
- SAML
- Data deletion
As stated on Keywords AI's website — not independently verified by AiByts.
FAQ
What is Keywords AI?
Keywords AI is an AI Observability tool. AI router with observability and automated evaluations. Respan is an enterprise-grade platform for building, monitoring, and improving AI applications. It offers LLM observability, automated evaluations, and agent tracing to help developers and product managers optimize their AI workflows.
Is Keywords AI free?
Keywords AI has a free plan; advanced features require a paid plan.
How much does Keywords AI cost?
Keywords AI offers 3 plans: Free (Free), Team ($199 / month) and Enterprise (Custom).
Does Keywords AI have an API?
Yes, Keywords AI offers a public API with webhooks for building custom integrations.
What platforms does Keywords AI support?
Keywords AI is available on Web App.
Who should use Keywords AI?
Keywords AI is built for developers and product managers. Common uses: monitor and evaluate AI agent performance, optimize prompts for better LLM results, route requests to the most suitable model and track AI agent activities and decisions.
What does Keywords AI integrate with?
Keywords AI integrates with Slack, Zapier, AWS, Azure, Vercel, OpenAI, Anthropic and LangChain.
What are the best alternatives to Keywords AI?
Similar tools on AiByts include Credyt, Respan, Braintrust, HCS (Hashgraph Consensus Service) and Opik.
Details are compiled from Keywords AI's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
Try Keywords AI
Freemium · from $199/month
Tags
- LLM Engineering
- LLM Observability
- LLM Evals
- Prompt Optimization
- LLM Gateway
- AI Observability
- AI Engineering
- LLM Monitoring
- Prompt Engineering
- Unified LLM Gateway
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