Why one model isn't enough
- ChatGPT produces confident-sounding answers even when wrong: hallucinations are hard to detect
- A single model has systematic blind spots shaped by its training data and architecture
- You have no way to know if ChatGPT's answer is reliable without checking it against other sources
- Manually querying multiple AI tools is slow and loses context between conversations
How Synero works
1Ask your question
Your question goes to GPT, Claude, Gemini and Grok. Each answers on its own.
2Get one answer
Synero writes one combined answer from the best of all four.
3See where they split
Agreement is a good sign. Disagreement tells you what to check.
Example question
“Is it true that the average human swallows 8 spiders per year while sleeping? Explain the origin of this claim and its accuracy.”
Where models agree
- All four models agree: this is a myth with no scientific basis
- All models trace the claim to a 1993 magazine column
- All note that human sleeping behavior would repel spiders
Where models disagree
- Models disagree on the exact origin: GPT and Claude attribute it to Lisa Holst in PC Professional, while Gemini notes the attribution itself may be apocryphal
- Grok uniquely points out that snopes.com's debunking created more awareness of the myth than the original claim
The consensus answer
The synthesis resolves the contradiction by noting that the claim, its attribution, and even parts of its debunking history involve layers of misinformation: exactly the kind of detail that emerges when four models cross-check each other.
Which preset to use
Solo
Duel
Council
Deep
Duel: two models side by side. The fastest way to see whether a single answer holds up. You can also pick 1 to 4 models yourself from 22 across GPT, Claude, Gemini, and Grok.
See it in 30 seconds
Frequently asked questions
Does Synero include ChatGPT's models?
Yes. Synero includes GPT-6.1 Sol, GPT-6.1 Terra, GPT-6 Astra, GPT-6 Luna, and GPT-5.6 Sol, Terra, and Luna, alongside models from Anthropic, Google, and xAI. You get ChatGPT's reasoning plus three additional perspectives.
How is this different from just asking Claude separately?
Synero runs up to four models on the same question simultaneously, with consistent framing. Then it scores their agreement, flags where they split, and writes one consensus answer. Manually switching between tools loses context and doesn't give you the comparison.
Can I verify answers on any topic?
Yes. Synero works for any question: research, technical, strategic, medical, legal, financial. The cross-model verification is most valuable when the stakes are high and a wrong answer could lead to a bad decision.
Stop trusting one model
Cross-check every important answer against four models. See where they agree, and where they don't.
Start free3 free questions, no card. Then $10/month with $10 of usage included, or pay as you go with credit packs from $5, no subscription. Private by default, never used for training. See pricing