nomoat / Respan / Alternatives
Alternatives to Respan
Respan: Sends requests to many AI models through one API with fallbacks, and records traces and evals of each agent run. Here are 9 other products that do a similar job. Of these, 7 have a free plan.
- Gigapipe
An observability backend on ClickHouse that takes logs, metrics, traces and profiles and lets teams query them in Grafana.
Free plan · Uptime and monitoring · Developers
- Maple
Collects traces, logs, metrics and session replays from OpenTelemetry for $39 a month, with EU hosting or self-hosting.
Subscription · Uptime and monitoring · Developers
- RocketGraph
Observability for logs and traces that answers questions in Slack and drafts fix pull requests when alerts fire.
Since 2026
Free plan · Uptime and monitoring · Developers
- SigNoz
Application performance monitoring with logs, traces, metrics and alerts on OpenTelemetry, in the cloud or self-hosted.
Since 2022
Free plan · Uptime and monitoring · Developers
- Uptrace
Collects traces, metrics and logs through OpenTelemetry for engineering teams, hosted or on your own servers.
Since 2022
Free trial · Uptime and monitoring · Developers
- Aurora Gateway
Self-hosted gateway that routes, caches and tracks your app's requests to OpenAI, Anthropic and other LLM providers.
Since 2026
Free plan · Developer tools · Developers
- LLM Gateway
One OpenAI-compatible API that routes requests to hundreds of models from many providers and tracks what each call costs.
Free plan · Developer tools · Developers
- ModelRiver
Hosted service that runs multi-step AI pipelines calling your own backend and streams progress to users.
Since 2026
Free plan · Developer tools · Developers
- VoidLLM
Self-hosted gateway that routes your team's LLM requests across providers with keys, limits and usage tracking, without logging prompts.
Since 2026
Free plan · Developer tools · Developers