| Dimension | Perplexity AI | OpenAI SearchGPT | Claude 3.5 Sonnet |
|---|---|---|---|
| Status | Live, public | Live, public | API only, not search product |
| Data Freshness | Real-time web indexing | Real-time browsing | Training cutoff + web browsing |
| Citations | Inline, numbered, clickable | Inline with source links | Limited/none |
| Free Access | Yes (limited) | Yes (with account) | API only (paid) |
| Cost | Free + $20/mo Pro | Free (limited) | $15-100/mo via API |
| Image Understanding | Yes | Yes (GPT-4o) | Yes |
| Mobile App | iOS + Android | Via ChatGPT app | No standalone |
| API Access | Yes (Pro) | No (consumer) | Yes |
| Shopping/Product | Limited | Emerging | No |
| Academic Research | Strong | Moderate | Strong |
Strengths:
- Real-time web indexing with cited sources
- Thread-based research with follow-up questions
- "Focus" modes for academic, writing, coding, YouTube
- Strong citation transparency
Weaknesses:
- Can hallucinate less-common facts
- Limited context window vs competitors
- No native API for developers
- Product/shopping comparisons still emerging
Strengths:
- Backed by GPT-4o model — strong reasoning
- Integrates with existing ChatGPT ecosystem
- Real-time web browsing capability
- Source citations with links
Weaknesses:
- Still rolling out — limited availability
- Less transparent about source selection
- No dedicated search history/threads
- Heavily favors OpenAI-aligned content
Strengths:
- Best-in-class reasoning and analysis
- 200K token context window
- Excellent for research synthesis
- No native search product — flexible RAG implementations
Weaknesses:
- No standalone search product
- Requires developer integration for search use
- Web browsing via tools, not native search
- No citations by default
vs Perplexity: Topify covers all AI engines, not just Perplexity. Users get one tool's perspective; Topify shows the full AI search landscape.
vs SearchGPT: SearchGPT is OpenAI's answer to Perplexity. Topify helps brands understand visibility ACROSS all AI engines — not just OpenAI's view.
vs Claude: Claude has no search product. But Claude RAG developers need to understand how content performs in real AI search. Topify fills that gap with real citation and visibility data.