Keywords AI

What is Keywords AI?

Keywords AI, now branded Respan, is an AI observability and routing platform that manages LLM calls across 1,000+ models with built-in monitoring and automated evaluations. The keywordsai.co domain redirects to respan.ai.

Key capabilities of Keywords AI

• AI Gateway: Single API endpoint with automatic fallbacks, 99.99% uptime
• Observability: Traces every LLM call, tool run and agent step with cost and latency
• Evaluations: Scores with AI judges, code checks and human review
• Monitoring: Dashboards for requests, errors, cost, tokens and latency with alerts
• Caching: Reduces cost via response caching
• Spend controls: Per-key and org budgets with rate limiting

How Keywords AI works

Teams send LLM requests through the gateway, which routes them to providers with fallbacks. Every call is traced and monitored, evaluations run against production datasets, and alerts fire on thresholds.

Who uses Keywords AI?

AI product teams. Customers named include Retell AI, Mem0, AlphaSense, Gumloop and Lovable, with scale from millions to 500M+ monthly API calls.

Keywords AI pricing

A free tier is available and paid plans are based on usage. Specific prices were not listed on the page reviewed.

Keywords AI alternatives

Alternatives include LangSmith for tracing and evals, Helicone for LLM observability, and OpenRouter for model routing.