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The tool behind this headline is Ithy, an AI research aggregator. It can route a question to multiple AI systems and synthesize their responses, but it does not merge your existing ChatGPT, Gemini, or DeepSeek accounts or subscriptions. Its current homepage offers Fast Research, which uses one model at a time, and Deep Research, which combines multiple researchers. The model lineup and available features can change.
What is Ithy?
Ithy is a service that coordinates responses from multiple AI models and presents a combined result. It is not a new version of ChatGPT, Gemini, or DeepSeek, and using it does not mean you are using those services through your own accounts. Ithy says it was founded in November 2024 and distributes searching and reasoning across models from providers including Google, OpenAI, Anthropic, xAI, and Meta. See Ithy’s company and technology description.
The word “combines” describes Ithy’s orchestration and synthesis: the service sends a question through its own workflow, then returns a unified answer that may be presented as an interactive article. The exact models available depend on Ithy’s current routing and availability.
How does Ithy combine AI responses?
- You submit one question to Ithy.
- Ithy routes it to one or more AI researchers or models, depending on the mode and current configuration.
- Those systems produce separate analyses or search results.
- Ithy compares and synthesizes the outputs into a response.
- The answer may appear as an interactive article that can be shared.
This is Ithy’s description of its process, not independent proof that every output has been cross-checked correctly. The synthesis can omit disagreement or introduce errors, so treat the result as a starting point rather than a verified answer.
#1 Best Overall
Fast Research vs. Deep Research
| Mode | Designed for | What Ithy says | Trade-off |
|---|---|---|---|
| Fast Research | Quick questions where one response is enough | The homepage says it is limited to one model at a time. | Faster, but it does not provide the same multi-model synthesis as Deep Research. |
| Deep Research | Complex questions where several perspectives may help | Ithy says it combines multiple researchers and takes longer than Fast Research. It markets the process as taking approximately one minute; that is a product claim, not an independently measured result. | More processing can mean more time, conflicting answers, and no guarantee of greater accuracy. |
These descriptions reflect the official Ithy homepage. They do not establish that every query uses the same number or identity of models.
How to use Ithy
- Open Ithy.
- Choose Fast Research for a quick answer or Deep Research when you want multiple perspectives synthesized.
- Write a specific question. For a comparison, name the options and criteria; for a research brief, ask for claims, evidence, and points of disagreement.
- Where supported, provide URLs, documents, or code as context.
- Submit the query and review the answer. If separate model perspectives are exposed, compare them rather than relying only on the synthesized result.
- Open cited sources and check their dates, authorship, and relevance. If the answer has no traceable sources, verify important claims independently.
- Use the sharing or article options if they are available in your session. The sign-in page advertises a free signup bonus and points; see Ithy’s sign-in page for the current offer.
If something goes wrong
- Deep Research is taking too long: Try Fast Research if one response is adequate, or retry later.
- A model seems unavailable: Rerun the query later or use that provider’s native service; Ithy’s visible model lineup can vary with availability.
- The answer lacks citations: Ask for sources if the interface allows it, then locate and check the underlying material yourself.
- The models disagree: Inspect the separate responses if available. Ask a narrower follow-up that identifies the disputed claim, and verify it against primary sources.
Does Ithy literally combine ChatGPT, Gemini, and DeepSeek?
Not in the sense of linking your paid accounts or combining their subscriptions. Ithy says it can use models from multiple AI providers through its own service. That does not guarantee the same models, tools, context limits, browsing, memory, or account privileges available in the native ChatGPT, Gemini, or DeepSeek apps.
Rank #2
A May 12, 2025 article about Ithy named Gemini 2.5 Flash, GPT-4.1 mini, Perplexity Sonar, and Grok 3 Mini as examples, and said the models visible could vary with server availability. Those are historical examples, not a current lineup. See Gadgets To Use’s May 2025 account; check Ithy’s live interface for the models available now.
Does using more AI models make an answer more accurate?
It can make an answer broader. Different systems may offer alternative explanations, surface conflicting interpretations, or suggest different coding approaches. That is useful for open-ended research, brainstorming, comparing arguments, and building a first draft or research brief.
But agreement is not verification. Models can share blind spots, rely on overlapping information, or repeat the same incorrect premise. A synthesis can also flatten genuine disagreement or misstate what an individual model said. More responses may make a polished answer seem more certain without making its claims more reliable.
- Check citations and follow them to the original source.
- Confirm dates, quotations, statistics, and technical details in primary materials.
- For code, test the suggested fix in a safe environment rather than treating multiple recommendations as proof.
- For consequential decisions, consult qualified people and authoritative sources rather than relying on an AI-generated synthesis.
Privacy: what to know before submitting a prompt
Do not submit confidential information unless you have reviewed Ithy’s current privacy terms and are comfortable with how prompts and responses may be processed. Ithy’s privacy policy says it may collect questions and responses, usage and technical information, and personal information supplied by users. It also says questions and responses may be used to train and improve its AI systems and services.
Ithy’s terms say logged-in questions and responses are private, while questions submitted publicly without logging in may be indexed by search engines. Account-level privacy does not mean a prompt is never retained, used for service improvement, or processed by providers. Ithy’s policy also discusses service providers.
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- Remove names, account numbers, and other identifying details from documents before submitting them.
- Review the current policy before using the service for business, regulated, or otherwise sensitive work.
Is Ithy free?
Ithy’s public homepage advertises free access, and its sign-in page advertises 10 premium articles as a free signup bonus plus points for searches. These offers do not establish unlimited or permanent free use. A conventional public pricing table was not presented in the reviewed pages.
Best Value
An Ithy-hosted pricing article mentions a $29/month Pro plan, but that is not enough to confirm a current checkout price or active plan. Treat it as unconfirmed, not as a verified subscription price: Ithy’s pricing article. A May 2025 article reported 10 advanced searches per day, but that historical limit is not confirmed as current by Ithy’s homepage: the May 2025 report.
When to use Ithy—and when to go direct
| Choose Ithy when… | Choose a native AI service when… |
|---|---|
| You want several perspectives in one workflow. | You need a particular provider’s native tools, account features, or model behavior. |
| The question is complex or ambiguous and disagreement is useful to see. | You need predictable model selection or a consistent first-party workflow. |
| You want an initial research brief, structured synthesis, or alternative approaches to a coding problem. | Your work depends on memory, workspace features, custom instructions, or account-connected files. |
| You can independently check important claims and sources. | The prompt contains sensitive information or extra model calls would add delay without useful value. |
For direct access, visit ChatGPT, Google Gemini, DeepSeek, or Perplexity. This is a use-case distinction, not a claim that one service is universally better. Features and terms can change, so check each service directly.
For high-stakes comparisons, manually asking two or three native services the same carefully framed question can take longer, but gives you more control over model choice, account permissions, wording, and follow-up questions.
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