SciSpace
Literature review and paper Q&A for researchers.
Full SciSpace record →Head to head
SciSpace vs Perplexity
SciSpace (SciSpace) and Perplexity (Perplexity) both sit in Search & Research. SciSpace is the cheaper entry point at Free tier · from $12/mo. Perplexity shipped more tracked changes in the last 30 days (2 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | SciSpace SciSpace | Perplexity Perplexity |
|---|---|---|
| Segment | Search & Research | Search & Research |
| Version | 2025 | Sonar API |
| Entry cost | Free tier · from $12/mo | from $20/mo |
| Pricing tiers | — | Free free · Pro $20 · Max $200 · Enterprise Pro $40 |
| Model stack | Claude · GPT | Claude Opus 4.5 · Frontier Models · Gemini 3 Pro · GPT-5.2 · Sonar |
| Context window | — | Varies by model |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 2 |
| Origin | Global | Global |
| Capabilities | Paper chat, Literature review, Citation graph | Cited answers, Deep research, Comet browser, Spaces, Shopping, Focus modes, Gateway API, Agent API |
Perplexity
Conversational search that cites its sources and offers deep research modes.
Full Perplexity record →