Metrik
Real-time llm performance monitoring
What it does
Monitor Time to First Token (TTFT) across 26+ LLM models from OpenAI, Anthropic, Google, and xAI for free. Track real-time performance and route to the fastest model for your Vapi voice agents.
Does a similar job
all alternatives →- ATA tool to benchmark LLM APIs (OpenAI, Claude, local/self-hosted)2025 · llmapitest.com · ▲55
I recently built a small open-source tool to benchmark different LLM API endpoints — including OpenAI, Claude, and self-hosted models (like llama.cpp). It runs a configurable number of test requests and reports two key metrics: • First-token latency (ms): How long it takes for the first token to appear • Output speed (tokens/sec): Overall output fluency Demo: https://llmapitest.com/ Code: https://github.com/qjr87/llm-api-test The goal is to provide a simple, visual, and reproducible way to evaluate performance across different LLM providers, including…
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