ChatGPT Deep Research vs CustomGPT.ai Researcher
OpenAI's ChatGPT Deep Research and CustomGPT.ai Researcher are advanced deep research platforms designed for automating comprehensive content creation and research tasks. This comparison highlights key differences to help you choose the right solution for your needs.
About ChatGPT Deep Research
ChatGPT Deep Research extends OpenAI's state-of-the-art GPT-4 capabilities with autonomous, multi-step web browsing and research planning. It rapidly synthesizes web information into structured reports within approximately 5–30 minutes per query. Currently, it supports real-time searches, citation of sources, and basic document attachments for context.
About CustomGPT.ai Researcher
CustomGPT.ai Researcher offers specialized research through advanced RAG technology and a mixture of models architecture. It systematically processes over 200 sources, analyzing more than 1.4 million words per research task, typically completed in around 38 minutes. CustomGPT.ai Researcher integrates seamlessly with public data sources, private knowledge bases, and offers enhanced visuals with GPT Vision, focussing more on better-than-human-level article generation.
Core Capabilities Comparison
| Feature | CustomGPT.ai Researcher | ChatGPT Deep Research |
|---|---|---|
| Processing Time | ~38 minutes | 5–30 minutes |
| Source Coverage | 200+ sources per article | Multiple web pages |
| Word Processing | 1.4M+ words analyzed | Unspecified |
| Citation System | Dynamic inline citations | Inline citation links |
| Knowledge Base | Google Search & Custom KB | Real-time web search |
| Output Length | Full reports (6,000+ words) | Concise (2,000–3,000 words) |
| Visual Content | Enhanced with GPT Vision | Text-only + basic images |
Working Process
CustomGPT.ai Researcher's Approach
Structured research workflow:
- Topic Analysis: Comprehensive search strategy based on diverse perspectives.
- Source Gathering: Collect and verify extensive sources (200+ per article)
- Content Planning: Structured plan with advanced reasoning.
- Content Generation: Progressive, section-by-section creation focussing on better-than-human-level quality articles.
ChatGPT Deep Research's Approach
Simplified research approach:
- Plan Creation: Autonomous multi-step research planning.
- Iterative Web Browsing: Real-time exploration of sources.
- Report Synthesis: Concise structured reports, focussing on task completion.
Technical Architecture
| Component | CustomGPT.ai Researcher | ChatGPT Deep Research |
|---|---|---|
| AI Models | o3-mini, GPT-4o, GPT Vision | User-selected model |
| Research Tech | Advanced RAG | RAG + Autonomous browsing |
| Fact Verification | Comprehensive anti-hallucination | Basic verification |
| Custom Knowledge | Full custom KB integration | Limited file attachments |
Content Quality
| Aspect | CustomGPT.ai Researcher | ChatGPT Deep Research |
|---|---|---|
| Research Depth | Deep semantic analysis | Moderate depth |
| Citation Handling | Comprehensive inline citations | Basic inline citations |
| Visual Enhancement | GPT Vision visuals | Text-only + basic images |
Real-World Applications
| Use Case | CustomGPT.ai Researcher | ChatGPT Deep Research |
|---|---|---|
| Content Marketing | SEO-friendly, structured | Basic, needs editing |
| Academic Research | In-depth with extensive citations | Good summaries |
| Market Analysis | Comprehensive insights | Quick overview |
Pricing and Plans
| Feature | CustomGPT.ai Researcher | ChatGPT Deep Research |
|---|---|---|
| Free Tier | 1 article/day | Subscription-based limits |
| Premium Features | custom KB integration, pay-as-you-go | Limited queries per plan |
Making Your Choice
Choose CustomGPT.ai Researcher if you:
- Require better-than-human-level articles (typically for marketing and academic purposes)
- Integration with your custom knowledge base (like Sharepoint, Google Drive, website, documents, etc)
- Require deep, comprehensive research with extensive citation and visual images.
Choose ChatGPT Deep Research if you:
- Prefer quick, general research summaries.
- Want ease of use within ChatGPT.
- Have moderate content research needs.
Both tools offer robust capabilities, with CustomGPT.ai excelling in insightful better-than-human-level articles, while ChatGPT Deep Research suits faster, autonomous deep research tasks.