# Search and research AI

Canonical: https://aideal.kr/en/ai/research

AI deals and offers

AI that searches papers and the web and answers with sources.

## Cited Paper & Web Research Invite Offer

Start using Liner’s sentence-cited paper and web research assistant through the official referral invite link.

## Always free plans

### Content updated November 11

Genspark

- **Benefit**: Free trial of an integrated environment for document, slide, and research agents (2026)
- **Payment**: Unconfirmed
Officially checked 11.16

### Content updated November 12

Liner

- **Benefit**: Unlimited advanced search, image generation and Deep Research support, upload 1 file per day (up to 25 MB)
- **Payment**: Unconfirmed
Officially checked 11.14

Litmaps

- **Benefit**: Monthly paper alerts, 100 papers per map
- **Payment**: Free plan $0/month
Officially checked 11.14

## Discounts, credits and promos

### Content updated November 13

Exa

- **Benefit**: Two $20 Exa API credit coupon codes (EXA20FREEBUFF, EXA20FIRESHIP, $40 combined)
- **Payment**: Unconfirmed
- **Deadline**: There is no official end date. A user report dated November 3, 2026, says the creator and partner promotional code could be discontinued at any time or reach its registration limit.
Officially checked 11.13

## Other fields

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