# Grep AI vs Kagi Search API (slim)

> Grep AI scores 64.4 (B) to Kagi Search's 48.7 (D) for web search. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/grep-ai-vs-kagi-search.md (~2,700 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/grep-ai-vs-kagi-search.json · canonical https://www.anchorterminal.com/compare/grep-ai-vs-kagi-search
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Grep AI scores 64.4 (B) on agent readiness against Kagi Search API's 48.7 (D), and leads in 5 of 7 scored categories. Kagi Search API leads on agent ergonomics and transparency & trust. Both do web search.

- Grep AI: B 64.4, rank #352 of 950 · https://www.anchorterminal.com/tools/grep-ai.min.md
- Kagi Search API: D 48.7, rank #807 of 950 · https://www.anchorterminal.com/tools/kagi-search.min.md
- Grep AI, good for Agents that hand off a long research or due-diligence job and want a cited report or structured fields back, including business verification and sanctions screening through built-in agents. Ahead on Reliability, 60 against 8; Schema & documentation, 80 against 71; Payments & pricing, 40 against 20; Maintenance & community, 74 against 41.
- Kagi Search API, good for An owner who already pays for Kagi and wants its ranking, lenses and domain rules inside an agent, with page text in the same call. Ahead on Agent ergonomics, 75 against 70; Transparency & trust, 69 against 59. Also Runs on your own machine.

| Category | Grep AI | Kagi Search API |
| --- | --- | --- |
| Reliability (16%) | 60 | 8 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 80 | 71 |
| Agent ergonomics (13%) | 70 | 75 |
| Security & auth (14%) | 65 | 64 |
| Payments & pricing (10%) | 40 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 74 | 41 |
| Transparency & trust (7%) | 59 | 69 |

| Fact (where they differ) | Grep AI | Kagi Search API |
| --- | --- | --- |
| Vendor | Parcha Labs, Inc. | Kagi |
| Hosted endpoint | `https://api.grep.ai/api/v2/runs` | `https://kagi.com/api/v1/search` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Pay per use |
| Price for web search | not published | $12 per 1,000 requests |
| Licence | Proprietary service under Parcha Labs' terms of service. The grep-research-skills package on npm is MIT. The @parcha/agentrun and parcha-agentrun SDK packages state no licence in their registry metadata | Proprietary service under the Kagi API Terms of Service. The MCP server is MIT and the OpenAPI file states Apache-2.0 |
| Tools exposed | 82 | none |
| llms.txt | yes | no |
| Last release | 2026-09-30 | 2026-08-21 |
| Terms last updated | 2026-03-20 | 2026-09-22 |
| Privacy policy last updated | 2026-09-21 | no date given |
| Terms restrict benchmarking | not found in the text | yes |
| Popularity | 334 npm/wk, 52 PyPI/wk | 535 stars |