One question. Three AI models. Blind peer review. The only native macOS app that lets ChatGPT, Claude, and Gemini debate each other — right on your machine.
Let's be honest — you've asked ChatGPT something, then opened Claude to ask the same thing, then pulled up Gemini just to be sure. We've all done it. The problem is you're wasting time switching tabs, pasting the same prompt, and trying to remember which model said what.
That's where Council comes in. Council is the first multi-model AI app macOS users can install that does the switching for you. Type your question once. Council fires it at ChatGPT, Claude, and Gemini in parallel, collects their answers, and — here's the wild part — lets each model read the others' responses and critique them blind. No model knows which competitor wrote which answer. You get the honest, unfiltered take from every AI on every other AI.
If you've been looking for the best tool to compare AI models without bouncing between browser tabs, you just found it.
Every AI model has blind spots. ChatGPT is phenomenal at creative writing but sometimes hallucinates facts. Claude excels at reasoning and safety but can be overly cautious. Gemini has deep context windows but occasionally misses nuance. When you rely on a single model, you inherit all of its blind spots.
The standard workaround — opening three browser tabs and manually comparing — is tedious and unreliable. You lose context, forget which answer came from where, and never get a second opinion on the answers themselves. What you really need is a proper LLM comparison tool that does the heavy lifting for you.
Council fixes this. It's purpose-built as a multi-model AI app macOS users can rely on for real, honest model-to-model comparison without the manual friction.
Council is a native SwiftUI macOS application — written in Swift 6 — that acts as a control room for multiple large language models. You ask one question, and Council broadcasts it to ChatGPT (via OpenAI API), Claude (via Anthropic API), and Gemini (via Google AI API) simultaneously.
Here's the magic: after collecting the answers, Council enters a blind peer-review phase. Each model is shown the answers from the other models — but without knowing who wrote what. Each model then critiques the others' responses. You get a divergence view highlighting where models agreed and disagreed, plus a synthesis summary that pulls the strongest points from all three.
It's 100% local. No account. No telemetry. Your API keys live in macOS Keychain. Council doesn't phone home — ever. It's the most privacy-respecting multi-model AI app macOS has to offer.
Ask once. All three models respond at the same time. No sequential waiting, no tab-hopping.
Each model critiques the others anonymously. Honest feedback without brand bias.
See exactly where the models agree, disagree, or partially overlap. Perfect for fact-checking.
Council distills the strongest arguments from all three models into one coherent summary.
No account, no cloud, no telemetry. API keys stored in macOS Keychain. Conversations never leave.
Build with Swift 6, designed for macOS 14+. Feels like a first-class citizen on your Mac.
| Feature | Council | ChatGPT Desktop | Claude Desktop |
|---|---|---|---|
| Multi-model support | ✓ GPT + Claude + Gemini | ✗ Single model | ✗ Single model |
| Parallel questioning | ✓ | ✗ | ✗ |
| Blind peer review | ✓ | ✗ | ✗ |
| Local / no account | ✓ 100% local | ✗ Requires account | ✗ Requires account |
| Open source (MIT) | ✓ | ✗ Proprietary | ✗ Proprietary |
| macOS native | ✓ SwiftUI 6 | ✓ | ✓ |
| Free to use | ✓ (bring your keys) | ✓ (with limits) | ✓ (with limits) |
Getting started with this multi-model AI app macOS tool takes less than five minutes. Here's how:
1 Download Council — Clone the repo from github.com/albertofettucini/Council or grab the source.
2 Open in Xcode — Council is a standard SwiftUI project. Open Council.xcodeproj and hit Build (Cmd+B) to compile. No external dependencies needed.
3 Get Your API Keys — You'll need keys from OpenAI, Anthropic, and Google AI Studio. Council stores them securely in macOS Keychain.
4 Type Your Question — Enter any prompt in the main input field. Council fires it at all three models simultaneously.
5 Watch the Debate — Review the side-by-side answers, then watch the blind peer review unfold. The divergence view shows where models agreed or split.
6 Read the Synthesis — Council generates a summary that pulls the best reasoning from all three models. That's your final answer.
That's it. No account creation, no data sharing, no subscription. Just pure, private, multi-model AI on your Mac.
Since launching on GitHub, Council has been gaining traction fast among developers who need a reliable multi-model AI app macOS that respects their privacy and gives them honest cross-model comparisons.
"I've been waiting for this. A native macOS app that actually lets me compare AI models side by side without needing a web UI workaround. The blind peer review is genuinely useful — it catches hallucinations I would have missed."
— r/macapps community member
Council's approach is honest: it doesn't try to be everything. It's a focused LLM comparison tool for people who want the best answer — not just one model's answer.
Stop guessing which model to use. Let all of them answer — then let them debate. Council is free, open source, and runs entirely on your Mac.
3 CTAs above — click any one to visit the Council GitHub page via our tracker.
Council is the multi-model AI app macOS users have been waiting for. It's native, it's private, and it gives you something no single-model app can: the truth revealed through honest, blind AI-to-AI comparison.
Whether you're a developer fact-checking code, a writer refining prose, or just someone who wants the best app to compare ChatGPT vs Claude, Council delivers. Download it today — it's free, open source, and built for your Mac.