Under $10/Month: Research AI Tools (19 tools)
19 tools · Under $10/Month · Sorted per published v2-5dim scores.
Selection rule: 起步价 ≤ $10/月（含 $0 与 Free 档）.
| # | Tool | Starting Price | Overall | Pricing | Verified |
|---|---|---|---|---|---|
| 1 | Semantic Scholar | $0 | 87.5 | $0/mo | 2026-09-15 |
| 2 | STORM | $0 | 84.4 | $0/mo | 2026-09-15 |
| 3 | Doubao | $0 | 82.2 | $0/mo | 2026-09-16 |
| 4 | ERNIE Bot | $0 | 81.5 | $0/mo | 2026-09-16 |
| 5 | ChatGLM | $0 | 81.5 | $0/mo | 2026-09-16 |
| 6 | Inciteful | $0 | 79.7 | $0/mo | 2026-09-15 |
| 7 | HuggingChat | $0 | 79.3 | $0/mo | 2026-09-16 |
| 8 | Morphic | $0 | 78.6 | $0/mo | 2026-09-16 |
| 9 | Andi | $0 | 77.9 | $0/mo | 2026-09-16 |
| 10 | Perplexica (Vane) | $0 | 77 | $0/mo | 2026-09-16 |
| 11 | SciSummary | $4 | 83.2 | $4/mo | 2026-09-17 |
| 12 | Kagi Assistant | $5 | 83.9 | $5/mo | 2026-09-15 |
| 13 | Brave Search API | $5 | 80.2 | $5/mo | 2026-09-16 |
| 14 | Qwen Chat | $6 | 83.7 | $6/mo | 2026-09-15 |
| 15 | Otio | $7 | 78.6 | $7/mo | 2026-09-16 |
| 16 | Scholarcy | $9.99 | 77.4 | $9.99/mo | 2026-09-15 |
| 17 | ResearchRabbit | $10 | 82.1 | $10/mo | 2026-09-15 |
| 18 | Litmaps API | $10 | 80.3 | $10/mo | 2026-09-17 |
| 19 | Litmaps | $10 | 80.2 | $10/mo | 2026-09-15 |
Methodology: AiRecMark v2-5dim five-dimension scoring (Quality 25% / Features 20% / Usability 15% / Performance 20% / Value 20%). No sponsored placements.