Hacker ApprovedDepartments

Tantivy

Ranked 2 of 4 full-text search libraries by recommenders

Rust full-text search library that people pick over SQLite for BM25 search and use as the search engine in their own tools.

Rust full-text search library that people pick over SQLite for BM25 search and use as the search engine in their own tools.

8 people gave an opinion

recommend it
8
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 8 people recommend itNeeds 10 or more, not met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Chosen as go-to search engine

    “SQLite + sqlite-vec + Tantivy + a tiny embedding model will stay as my go to.”

    Comment from 8 Jul 2026 in “Show HN: Rowboat – Open-source, local-first alternative to Claude Desktop”

    “If we ever add persistent cross-session indexing, Tantivy would be the move.”

    Comment from 25 Feb 2026 in “Show HN: Context Mode – 315 KB of MCP output becomes 5.4 KB in Claude Code”

Other full-text search libraries people recommend

The three most recommended other full-text search libraries, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Tantivy compared with 3 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Apache Lucene12380%6—Approved
TantivyThis page80100%6——
PHP-fts60100%1——
Lunr.js5183%1——
See all 4 full-text search libraries, ranked

What people said

5 of the 8 comments that mention it, newest first. Each links to the original comment.

“SQLite + sqlite-vec + Tantivy + a tiny embedding model will stay as my go to.”

RecommendsComment from 8 Jul 2026 in “Show HN: Rowboat – Open-source, local-first alternative to Claude Desktop”

“If we ever add persistent cross-session indexing, Tantivy would be the move.”

RecommendsComment from 25 Feb 2026 in “Show HN: Context Mode – 315 KB of MCP output becomes 5.4 KB in Claude Code”

“tantivy's BM25 search is faster, more expressive, and more scalable than SQLite”

RecommendsComment from 25 Feb 2026 in “Show HN: Context Mode – 315 KB of MCP output becomes 5.4 KB in Claude Code”

“We rebased recently, and we'll likely talk about those improvements as part of our 0.21.x release.”

RecommendsComment from 15 Dec 2025 in “Teaching Postgres to Facet Like Elasticsearch”

“I absolutely love that this uses tantivy.”

RecommendsComment from 15 Nov 2025 in “I can't recommend Grafana anymore”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.