SciSpace vs Preuve AI
Plans, free access, limits and intended use side by side, taken from each vendor’s own pages. No score and no winner: the facts show where the two differ.
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Literature search, PDF chat with page-linked citations and a credit-based research Agent
Cited 0-100 viability score for a startup idea, with a free first check and one-time pricing
- Free access
- SciSpace: Free access
- Preuve AI: Free access
- Paid from
- SciSpace: USD 12 a month billed annually; $20 billed monthly
- Preuve AI: USD 59 one-time
- Plans listed
- SciSpace: 5
- Preuve AI: 7
- Public API
- SciSpace: Not confirmed
- Preuve AI: Not confirmed
Where SciSpace and Preuve AI differ
- PlansSciSpace lists 5 plans and Preuve AI lists 7.
Head to head
Each value from the tool’s profile and the vendor’s own pages
| SciSpace | Fact | Preuve AI |
|---|---|---|
| Access and price | ||
| Free access availableBasic · USD 0 | Free accessSame | Free access availableReality Check |
| USD 12 a month billed annually; $20 billed monthlyPremium | Lowest listed paid plan | USD 59 one-timeFounder Report |
| Free Basic; Premium $12/month billed annually or $20 billed monthly | Pricing model | Free Reality Check (2 scans); Founder Report $59 one-time; Lifetime Pro $499 |
| 5 | Plans listedDiffers | 7 |
| Not confirmed | Public API | Not confirmed |
| Not confirmed | Card to start | Not confirmed |
| Not confirmed | Open source | Not confirmed |
| What it is for | ||
| Students and researchers reading a small set of papers who will check every cited passage | Built for | Checking whether a startup idea has demand and room before building it |
| Research & sources | CategorySame | Research & sources |
| Platforms |
|
| Not listed | Works with |
|
| How current | ||
| Profile sources checked | ||
| Prices confirmed · Oct 7, 2026 | Pricing checkSame | Prices confirmed · Oct 21, 2026 |
Official source check for both tools. No hands-on testing and no score: “Differs” marks a documented difference, not a better tool.
Plans and prices
SciSpace
Prices confirmed · Oct 7, 2026- BasicUSD 0
- PremiumUSD 12 a month billed annually; $20 billed monthly
- AdvancedUSD 70 a month billed annually; $90 billed monthly
- MaxUSD 160 a month billed annually; $200 billed monthly
- EnterpriseCustom quote
Preuve AI
Prices confirmed · Oct 21, 2026- Reality CheckFree
- Founder ReportUSD 59 one-time
- 2-Report PackUSD 89 one-time
- 5-Report PackUSD 199 one-time
- Investor-Ready PackageUSD 499 one-time
Show 2 more plans
- Lifetime ProUSD 499 one-time
- Lifetime BusinessUSD 999 one-time
Strengths and limits
SciSpace
Strengths
- Checkable answers: Clickable citations to the page and sentence make it quick to open the passage behind an answer.
- Free entry point: Basic costs $0 with 100 Agent credits a month, and the Chat PDF page says that tool is free to use.
- Published credit examples: The credit guide shows sample tasks from 24 to 217 credits, which helps estimate whether 1,200 credits are enough.
Limits to plan around
- Credit costs are only illustrative: The guide says actual consumption varies by query, so the sample figures are not a quote.
- Advanced monthly is not unlimited: Bought monthly at $90, Advanced has 10,000 credits; only the yearly plan lists unlimited usage.
- A cited answer can still be wrong: The citation shows a source passage; it does not check that the answer keeps the paper's scope and limits.
Preuve AI
Strengths
- One-time pricing: Founder products are single payments with no subscription, and Sentinel does not renew or charge after three months.
- Claims link to sources: The vendor says sourced claims link back to their source and estimates are labelled as estimates.
- Free first check: The Reality Check gives a score, market size and two competitor previews for 2 scans with no payment.
Limits to plan around
- Score method is closed: Factor weights, thresholds and agent prompts are unpublished, and the vendor says the score is a snapshot, not a guarantee.
- Narrow free tier: The free check is limited to 2 scans, each viewable for 7 days, with 2 competitor previews and no pivots.
- Narrow refund: The 14-day guarantee is a rerun first, once per customer, and not after Build with AI or an export; Lifetime plans and the Investor Package are excluded.
See both products
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Run both tools on the same real task, then compare the result, how much editing it needs and how fast it uses your plan’s allowance.
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Questions about comparing tools
How does the comparison work?
Add two tools to the comparison tray from any tool card, then open this page. The table pulls each tool's verified plan details, platforms, strengths and limits from its profile, so both columns carry the same kind of evidence, with a separate source-check date for each tool.
Do you declare a winner?
No. The table sets two tools against each other on documented facts, not on a score. Which one wins depends on your task, your budget and your usage volume — three things we cannot see from here.
Why are some cells empty or marked unverified?
Because we could not confirm that detail on the vendor's own pages. Rather than filling the gap with a figure from elsewhere, we mark it and say why on the tool's profile.
Can I compare more than two tools?
Not at once. Two columns keep the differences readable and force a real decision. Remove either selected tool to replace it, or clear both to start a new pair.
Every figure in the table above comes from the linked profile, where the source and the verification date are listed. Browse all tools or read the editorial policy.