PromptLayer vs Vijil
PromptLayerPrompt Engineering Tools
From $50 / seat / moPublished price
VijilAI Evaluation and Testing
PromptLayer Prompt Engineering Tools Prompt engineering, evals, and observability for production AI. | Vijil AI Evaluation and Testing Cut time-to-trust in agents from 6 months to 6 weeks | |
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| Overview | ||
| Category | Prompt Engineering Tools | AI Evaluation and Testing |
| What it is | PromptLayer is a platform for prompt management, AI observability, evaluation workflows, and release control across LLM apps and agent systems. | AI trust platform providing automated evaluation and testing of LLM applications for safety and reliability. |
| Pricing | ||
| Published price | From $50 / seat / mo Free tier ($0) with up to ~5,000 requests and 7-day log retention. Pro is $50/user/mo with unlimited log retention and advanced features. Enterprise is custom-quoted, adding SSO/R… | No current public numeric pricing was verified for Vijil. Commercial access is provided by quote or direct arrangement. |
| Pricing model | Tiered plans | Custom quote |
| Free options | Free plan · No free trial | No free plan · Free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 2021 | 2023 |
| Team size | Not available | 11-50 employees |
| Headquarters | New York City, NY | San Francisco, CA |