Cli Modelarium
Compare LLMs with real statistics, right from your terminal
Cli Modelarium launched on June 1, 2026 with 3 votes, #6,658 of 22,647 launches that month and more than 50% of that year's launches.
What it does
CLI tool for comparing AI language models with statistical rigor. Supports 8 cloud providers (OpenAI, Anthropic, Google, xAI, DeepSeek, Mistral, Groq, OpenRouter) plus local models. Bootstrap confidence intervals, paired significance tests, hallucination detection, LLM-as-judge panels, cost tracking with hard caps. One pip install, no infrastructure. Available on Linux, macOS, and Windows. Python 3.11+. Apache 2.0. pip install cli-modelarium
Compare LLM outputs side by side, from your terminal.
Run one prompt against several models at once. See what each returns, how long it took, what it cost and whether the differences are statistically real or just noise. No configuration file. Models are named on the command line. Cost figures in demos are from one run at recording time. Pricing changes; verify against the provider before relying on any figure. Cost figures in demos are from one run at recording time. Pricing changes; verify against the provider before relying on any figure. Cost figures in demos are from one run at recording time. Pricing changes; verify against the provider before relying on any figure. Judge scores are a comparable signal rather than ground truth, and do…from numodex.com
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