For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
Mobile US PressList your app
Vendor dashboard

Respan (formerly Keywords AI)

No phone app

6.3No. 18 of 32
in AI Agent Observability Tools
  • Recognised40% of the score20
  • Phone app26% of the score0
  • Documented20% of the score87
  • Free plan14% of the score100
Free plan
Yes
Paid plans from
$16.58/mo
Runs on
api, self-hosted, Web
Visit site Alternatives

Summary

Respan (formerly Keywords AI) is ranked #18 of 32 in AI agent observability tools on Samsung Mobile US Press. It runs on API, Self-hosted, Web. There is a free plan. A free trial is offered. Paid plans start at $16.58/mo.

Respan (formerly Keywords AI) plans and pricing

All plans
Free Free 100k logs · 1k scores · 5 datasets · 2 evaluators · 5 prompts respan.ai · 4 Oct 2026
Team $199/yr Billed yearly 10k scores · 100k logs · unlimited datasets, evaluators, and prompts · 5 members respan.ai · 4 Oct 2026
Enterprise Not published Custom packages · volume discount · custom SLAs · dedicated support engineer · HIPAA BAA respan.ai · 4 Oct 2026

Compared on AI agent observability tools

Free plan
Yesrespan.ai
Paid from
$199/morespan.ai
Cost tracking
Yesrespan.ai

Facts

Product
Respan describes itself as an AI gateway with built-in observability, evaluations, and security testing.respan.ai · 4 Oct 2026
Gateway
Its OpenAI-compatible gateway routes requests to 1,000+ models through one endpoint.respan.ai · 4 Oct 2026
Reliability
The gateway provides model fallbacks, load balancing, automatic retries, and response caching.respan.ai · 4 Oct 2026
Tracing
Respan captures LLM calls, tool runs, retrievals, and agent turns as spans in a trace with input, output, latency, and cost.respan.ai · 4 Oct 2026
Evaluations
Evaluators can combine LLM judges, deterministic code checks, and human review, and can score sampled production traffic.respan.ai · 4 Oct 2026
Monitoring
The product tracks requests, errors, cost, latency, and tokens, with threshold alerts sent through Slack, email, or webhook.respan.ai · 4 Oct 2026
Integrations
The integrations directory lists 171 integrations, including OpenTelemetry, LangChain, OpenAI, Anthropic, AWS Bedrock, Slack, and PostHog.respan.ai · 4 Oct 2026
Privacy and compliance
The homepage states Respan supports SOC 2, GDPR, and HIPAA, and says a BAA is available for healthcare teams.respan.ai · 4 Oct 2026
Enterprise security
The Enterprise plan lists self-hosted deployment, Google and SAML SSO, HIPAA compliance, and a HIPAA BAA.respan.ai · 4 Oct 2026
Support
The pricing page lists Community Discord for Free, email support for Team, and a dedicated support engineer for Enterprise.respan.ai · 4 Oct 2026
Gateway latency
The gateway quickstart says the gateway may add 50 to 150 ms and may not suit products with strict latency requirements.respan.ai · 4 Oct 2026
Intended users
The About page says Respan helps teams trace workflows, evaluate agent behavior, and improve quality in production, and that startups and enterprise teams use it.respan.ai · 4 Oct 2026
Company background
The About page says Respan, formerly Keywords AI, began at the University of Illinois and joined Y Combinator's Winter 2024 batch.respan.ai · 4 Oct 2026

Best Respan (formerly Keywords AI) alternatives

See all 12
SigNoz No. 1 7.8 iPhone + Android$19/moAgenta No. 2 6.4 No phone app$29/moPetalTrace No. 3 6.4 No phone appFreeTraccia No. 4 6.4 No phone app$99/moTraceRoot No. 5 6.4 No phone app$30/moVoltOps No. 6 6.4 No phone app$50/mo

Where it ranks on Samsung Mobile US Press

Is Respan (formerly Keywords AI) yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Respan (formerly Keywords AI)

Sources