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Dev.to
7/20/2026
The original title is: "VernLLM - lightweight resilience layer for OpenAI SDK"

The original title is: "VernLLM - lightweight resilience layer for OpenAI SDK"

Original: VernLLM - lightweight resilience layer for OpenAI SDK

Short summary

vernLLM is an open-source TypeScript library providing a resilience layer for OpenAI-compatible LLM APIs. It bundles retries, timeouts, circuit breaking, caching, structured output validation via Zod, and usage tracking into a single interface that works across providers like OpenAI, Anthropic, Groq, Mistral, and others. The library aims to eliminate boilerplate reliability code in production LLM applications.

  • •Open-source TypeScript library for LLM API resilience with retries, circuit breaking, and caching
  • •Single interface across 10+ providers including OpenAI, Anthropic, Groq, and local Ollama
  • •Structured output validation via Zod schemas with constrained generation support

Generated with AI, which can make mistakes.

#ai-tools#open-source
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