Research AI Tools Under $20/Mo: Entry Price Compared
17 Research AI tools with verified five-dimension scores and entry pricing. Rule: unit === "mo" and 0 < amount < 20. Sorted by startingPrice.amount asc → score.overall desc. Scores as of 2026-09-17.
17 tools listed
Scores as of 2026-09-17 • AirecMark archive dataSciSummary
Fast paper summarization and figure analysis for scientists
Kagi Assistant
Privacy-first search bundled with an ad-free AI assistant
Brave Search API
Independent index search API with LLM endpoints
Qwen Chat
Alibaba's free multimodal chat across the Qwen family
Otio
AI research workbench with multi-model chat
Scholarcy
Paper summarizer that builds searchable summary cards
ResearchRabbit
Citation-graph literature discovery that is free forever
Litmaps API
Citation-network maps as data: Litmaps for workflows and integrations
Litmaps
Citation-map literature discovery with alerts
SciSpace
AI copilot for reading and understanding scientific literature
Consensus
Academic evidence search engine
Le Chat
Mistral's European assistant with custom agents
Undermind
Deep literature-search agent that reads hundreds of papers per query
Claude
Anthropic's AI assistant with Artifacts, Projects and extended thinking
Firecrawl
Web crawl and scrape API that outputs LLM-ready data
Gemini
Google's multimodal assistant with Workspace integration
Poe
Multi-model AI chat platform — access GPT, Claude, Gemini and more from one subscription.
Full data table
| # | Tool | Category | Overall | Quality | Features | Usability | Performance | Value | Entry Price |
|---|---|---|---|---|---|---|---|---|---|
| #1 | SciSummary | Research | 83.2 | 80 | 74 | 88 | 84 | 92 | $4/mo |
| #2 | Kagi Assistant | Research | 83.9 | 86 | 82 | 88 | 86 | 78 | $5/mo |
| #3 | Brave Search API | Research | 80.2 | 82 | 80 | 78 | 82 | 78 | $5/mo |
| #4 | Qwen Chat | Research | 83.7 | 84 | 82 | 82 | 82 | 88 | $6/mo |
| #5 | Otio | Research | 78.6 | 78 | 78 | 82 | 78 | 78 | $7/mo |
| #6 | Scholarcy | Research | 77.4 | 78 | 74 | 82 | 78 | 76 | $9.99/mo |
| #7 | ResearchRabbit | Research | 82.1 | 80 | 78 | 86 | 82 | 86 | $10/mo |
| #8 | Litmaps API | Research | 80.3 | 80 | 76 | 82 | 80 | 84 | $10/mo |
| #9 | Litmaps | Research | 80.2 | 80 | 78 | 84 | 80 | 80 | $10/mo |
| #10 | SciSpace | Research | 83.5 | 84 | 82 | 86 | 82 | 84 | $12/mo |
| #11 | Consensus | Research | 77.8 | 80 | 74 | 84 | 80 | 72 | $12/mo |
| #12 | Le Chat | Research | 80.8 | 82 | 80 | 82 | 80 | 80 | $14.99/mo |
| #13 | Undermind | Research | 82.6 | 88 | 82 | 84 | 82 | 76 | $16/mo |
| #14 | Claude | Research | 88.9 | 94 | 88 | 92 | 86 | 84 | $17/mo |
| #15 | Firecrawl | Research | 84.2 | 88 | 86 | 84 | 84 | 78 | $19/mo |
| #16 | Gemini | Research | 88.5 | 89 | 88 | 91 | 85 | 90 | $19.99/mo |
| #17 | Poe | Research | 87.1 | 86 | 90 | 88 | 84 | 88 | $19.99/mo |