Yardstiq – Compare LLM outputs side-by-side in your terminal

Show HN: Yardstiq – Compare LLM outputs side-by-side in your terminal

Yardstiq – Compare LLM outputs side-by-side in your terminal is active in the show hn launch space.

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Hey HN,I built yardstiq because I got tired of the copy-paste workflow for comparing LLM responses when developing apps. Every time I wanted to see how Claude vs GPT vs Gemini handled the same prompt, I'd open three tabs, paste the same thing, and try to eyeball the differences. It's 2026 and we have 40+ models worth considering — that doesn't scale.yardstiq is a CLI tool that sends one prompt to multiple models simultaneously and streams the responses side-by-side in your terminal. It also tracks performance metrics (time to first token, tokens/sec, cost) and optionally runs an AI judge to score the outputs.``` npx yardstiq "Explain quicksort in 3 sentences" -m claude-sonnet -m gpt-4o ```Wh

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Website: www.yardstiq.sh