Compare Athina AI and Portkey side by side. Both are tools in the Observability, Prompts & Evals category.
Updated March 10, 2026
Choose Athina AI if comprehensive platform covering entire AI development lifecycle from prototyping to production.
Choose Portkey if enterprise-scale monitoring (10B requests/month).
Want to compare Athina AI and Portkey on your own traffic?
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 250+ models through one gateway. Free tier covers 10K traces per month. Setup in 5 minutes, no credit card.
| Category | Observability, Prompts & Evals | Observability, Prompts & Evals |
| Website | athina.ai | portkey.ai |
Athina is a Y Combinator-backed (YC W23) collaborative AI development platform that enables teams to build, test, and monitor AI features through an end-to-end solution from prototyping to production deployment. The platform offers comprehensive development tools including prompt management across multiple models with custom implementations, experimentation capabilities for dataset iteration, flow prototyping with programmatic execution, and multi-model support for OpenAI, Azure OpenAI, AWS Bedrock, and others. For evaluation and testing, Athina provides 50+ preset evaluations from providers like Ragas and Guardrails, custom evaluation configuration using LLM-as-a-judge and Python functions, human annotation with QA team integration, and side-by-side dataset comparison with SQL capabilities. Production monitoring features include LLM trace capture with full execution replay, continuous online evaluation, segmented analytics across prompts, models, topics, and customer segments, plus cost and latency tracking. Enterprise features include fine-grained access controls, self-hosted VPC deployment options, SOC-2 Type 2 compliance, and GraphQL API access. Athina serves notable clients including Vetted, Perplexity, Meesho, Sybill, and Siena.
Portkey Observability is the monitoring and analytics component of the Portkey AI platform, providing comprehensive visibility into LLM applications. The platform tracks requests, costs, latency, errors, and user behavior across all LLM providers. Portkey Observability integrates seamlessly with the Portkey AI Gateway, offering unified monitoring for multi-provider AI applications. The platform provides real-time dashboards, alerting, and detailed trace analysis to help teams optimize AI performance and costs. Portkey processes over 10 billion requests monthly with sub-40ms overhead, providing enterprise-grade observability for production AI systems.
Tools for monitoring LLM applications in production, managing and versioning prompts, and evaluating model outputs. Includes tracing, logging, cost tracking, prompt engineering platforms, automated evaluation frameworks, and human annotation workflows.
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