Perplexity’s Model Council runs several models on one question and surfaces where they agree and differ. It is a feature of a larger product; Yes-Brainer is a standalone app built around the mechanic.
Perplexity’s Model Council: Part of a paid Perplexity subscription — check their site for which tiers currently include it.
Yes-Brainer: Free to use with your own keys, on any modern browser, installable as an app.
Perplexity’s Model Council: On Perplexity’s side, under their account and terms.
Yes-Brainer: In your browser. No copy is synced or held elsewhere.
Perplexity’s Model Council: A fixed set chosen by Perplexity.
Yes-Brainer: You seat them — Anthropic, OpenAI, Google, Groq, OpenRouter, or a local Ollama, mixed in one council.
Perplexity’s Model Council: Parallel answers plus a synthesiser that reports agreement and difference.
Yes-Brainer: Parallel answers, anonymized peer voting with a Judge, or a multi-round debate refereed to convergence.
Pick Perplexity’s Model Council if: You already pay for Perplexity on a plan that includes it, and you want web-grounded answers with no setup. The grounding alone is a good reason.
Pick Yes-Brainer if: You do not want a subscription at that tier, you want to choose the models yourself, or you want the conversation to stay on your device.
How Yes-Brainer compares — the category-level view: hosted council products, the open-source llm-council forks, and multi-model chat aggregators.
Every answer Yes-Brainer shows is generated by an AI model and can be confidently wrong. Seeing several models agree is not evidence that they are right — the app shows the spread; the judgment stays yours.
Yes-Brainer — ask several AI models one question and see where they disagree. Free and open source; no account, and you bring your own API keys.