Respan (formerly Keywords AI)
6.7#21 in ai agent observability toolsFrom $199 a yearFree planWebAPISelf-hosted
VisitRespan (formerly Keywords AI) vs W&B Weave
What both publish
| Fact | Respan (formerly Keywords AI) | W&B Weave |
|---|---|---|
| Evaluations | Evaluators can combine LLM judges, deterministic code checks, and human review, and can score sampled production traffic. | An imperative evaluation API compares application or model changes with visualizations intended to expose regressions. |
| Integrations | The integrations directory lists 171 integrations, including OpenTelemetry, LangChain, OpenAI, Anthropic, AWS Bedrock, Slack, and PostHog. | The deployment guide lists integrations for OpenAI, Anthropic, Cohere, Mistral, LangChain, LlamaIndex, DSPy, Google Gemini, Amazon Bedrock, Together and Groq. |
| Monitoring | The product tracks requests, errors, cost, latency, and tokens, with threshold alerts sent through Slack, email, or webhook. | Built-in and custom signals capture and classify agent interactions, and alerts can be routed through Slack notifications and webhook automations. |
Respan (formerly Keywords AI) plans
- FreeFree
- Team$199 a year
- EnterprisePriced on request
W&B Weave plans
- FreeFree
- Pro$60 a month
- EnterprisePriced on request
Pick Respan (formerly Keywords AI) if…
Respan suits startup and enterprise teams that need to trace AI workflows, assess agent behavior, or monitor quality in production. Its listed self-hosted deployment and enterprise security options may suit teams with those requirements.
Pick W&B Weave if…
Weave suits teams developing and monitoring production AI agents that need tracing, evaluations, and model or prompt comparisons. It also fits teams that use Python or TypeScript libraries or send OpenTelemetry traces.