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Introducing Respan Router

Athina AI vs PromptLayer (2026)

Updated March 10, 2026

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Overview

Rating
10.0 / 10
Rating
10.0 / 10
Product Summary

Athina AI is a monitoring and evaluation platform for production LLM applications.

Product Summary

PromptLayer is a prompt management platform that provides version control, monitoring, and collaboration tools for LLM prompts. It logs every LLM request, tracks prompt templates, enables A/B testing across prompt versions, and provides a visual dashboard for prompt performance analytics.

Starting Price
—
Starting Price
$0Per month
Free Trial
No
Free Trial
Yes
Free Version
No
Free Version
Yes
Website

Strengths and tradeoffs

What each tool does well, and the limitations to keep in mind.

Athina AIAthina AI

Pros

  • Comprehensive platform covering entire AI development lifecycle from prototyping to production
  • 50+ preset evaluations from established providers like Ragas and Guardrails
  • Strong enterprise features including SOC-2 Type 2 compliance and self-hosted deployment
  • Y Combinator-backed with proven clients like Perplexity and Meesho
  • Generous free starter plan with 10k logs/month and unlimited prompts

Cons

  • Small team of 11 employees may limit support capacity for enterprise clients
  • Lack of transparent pricing for Pro and Enterprise plans requiring sales contact
  • Founded in 2022, relatively new compared to more established observability platforms
PromptLayerPromptLayer

Pros

  • Production-ready
  • Good performance
  • Active development

Cons

  • Pricing varies
  • Setup required

Compare Athina AI and PromptLayer on your own traffic

10KFree traces/mo
1,000+Models
5 minSetup

Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 1,000+ models through one gateway.

Try Respan free

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