AWS Kendra costs $25/mo.
These cost $0.
8 free alternatives to AWS Kendra, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
The top-rated free, open-source replacement for AWS Kendra is Elasticsearch (Open Source Open Source). Across this category, 8 self-hostable tools are available (including Elasticsearch and Meilisearch). Switching a 5-person team saves up to $1,500/year compared to AWS Kendra's $25/mo subscription.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed AWS Kendra.
AWS Kendra vs Free Alternatives
Quick side-by-side comparison Β· $0/mo vs $25/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| Elasticsearch | open source | Open Source | Self-host | β 78.5k | AWS Kendra vs Elasticsearch β |
| Meilisearch | open source | MIT | Self-host | β 59.8k | AWS Kendra vs Meilisearch β |
| Onyx | open source | Open Source | Self-host | β 33.3k | AWS Kendra vs Onyx β |
| Typesense | open source | GPL-3.0 | Self-host | β 27.1k | AWS Kendra vs Typesense β |
| OpenSearch | open source | Apache-2.0 | Self-host | β 14k | AWS Kendra vs OpenSearch β |
| Manticore Search | open source | Open Source | Self-host | β 12.1k | AWS Kendra vs Manticore Search β |
| Swirl Search | open source | Open Source | Self-host | β 3k | AWS Kendra vs Swirl Search β |
| SeekStorm | open source | Open Source | Self-host | β 1.9k | AWS Kendra vs SeekStorm β |
The picks
8 open source Β· ranked by fit
- 01
Elasticsearch
open sourceOpen SourceSelf-host78.5knov 2026Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.
The catch vs AWS KendraRequires self-hosting setup, updates, and server maintenance compared to managed AWS Kendra.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/elastic/elasticsearch or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 02
Meilisearch
open sourceMITSelf-host59.8knov 2026A powerful, fast, and easy-to-use search engine that delivers instant and relevant results for your websites and applications.
The catch vs AWS KendraRequires self-hosting setup, updates, and server maintenance compared to managed Algolia.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/meilisearch/meilisearch or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 03
Onyx
open sourceOpen SourceSelf-host33.3knov 2026An open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information
The catch vs AWS KendraRequires self-hosting setup, updates, and server maintenance compared to managed AWS Kendra.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/onyx-dot-app/onyx or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 04
Typesense
open sourceGPL-3.0Self-host27.1knov 2026Open-source search solution offering blazing speed, typo tolerance, and effortless scalability for developers and businesses.
The catch vs AWS KendraRequires self-hosting setup, updates, and server maintenance compared to managed Algolia.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/typesense/typesense or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 05
OpenSearch
open sourceApache-2.0Self-host14knov 2026Community-driven, Apache 2.0-licensed search and analytics suite for ingesting, searching, visualizing, and analyzing data at scale with AI/ML capabilities.
The catch vs AWS KendraRequires self-hosting setup, updates, and server maintenance compared to managed Algolia.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/opensearch-project/OpenSearch or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 06
Manticore Search
open sourceOpen SourceSelf-host12.1knov 2026Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.
The catch vs AWS KendraRequires self-hosting setup, updates, and server maintenance compared to managed AWS Kendra.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/manticoresoftware/manticoresearch or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 07
Swirl Search
open sourceOpen SourceSelf-host3knov 2026AI-powered search and RAG platform that connects to 100+ enterprise tools without data migration. Deploy securely on-premises with any LLM.
The catch vs AWS KendraRequires self-hosting setup, updates, and server maintenance compared to managed AWS Kendra.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/swirlai/swirl-search or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 08
SeekStorm
open sourceOpen SourceSelf-host1.9knov 2026Cloud search API and crawler service supporting billions of documents, real-time indexing, autocomplete, faceted filtering, and multi-language text across any application.
The catch vs AWS KendraRequires self-hosting setup, updates, and server maintenance compared to managed AWS Kendra.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/SeekStorm/SeekStorm or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
AWS Kendra Head-to-Head Comparisons (2027)
Side-by-side trade-off breakdowns Β· 8 free alternatives
Frequently Asked Questions
Direct answers Β· AWS Kendra open-source replacements
What is the best free alternative to AWS Kendra?+
The top free alternative to AWS Kendra is Elasticsearch (open source, Open Source). Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management. Other popular AWS Kendra replacements include Meilisearch, Onyx, Typesense.
Can I self-host a free replacement for AWS Kendra?+
Yes. Of the 8 free alternatives to AWS Kendra, 8 can be self-hosted on your own server or local machine: Elasticsearch (Open Source), Meilisearch (MIT), Onyx (Open Source), Typesense (GPL-3.0), OpenSearch (Apache-2.0), Manticore Search (Open Source), Swirl Search (Open Source), SeekStorm (Open Source).
How much does switching from AWS Kendra to a free alternative save?+
AWS Kendra starts at $25/month per seat ($300/year). Switching a 5-person team to a free alternative like Elasticsearch saves $1,500 per year in software subscription fees.
Should I vibe-code or build my own AWS Kendra clone from scratch?+
Our build verdict for AWS Kendra is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for AWS Kendra or rebuilding it from scratch, deploy one of the 8 battle-tested open-source alternatives like Elasticsearch.
What is the catch when switching from AWS Kendra to Elasticsearch?+
Requires self-hosting setup, updates, and server maintenance compared to managed AWS Kendra.