Shortlist by what you need
Start here if you know why you are leaving Lucidworks (Fusion).
Want the closest match?
DatastreamerMost similar to Lucidworks (Fusion) in what it does, its category and its price.
Visit (opens Datastreamer in a new tab)Need a free plan?
ZillizHas a free plan, rated 4.6 out of 5. Lucidworks (Fusion) has none.
Visit (opens Zilliz in a new tab)Want the lowest price?
AitoFrom EUR 75/mo, the lowest starting price here.
Visit (opens Aito in a new tab)
At a glance
Green means better than Lucidworks (Fusion), red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
| 3.9 | Not listed | No | AI-powered enterprise search and discovery platform whose Fusion product combines neural hybrid search, query intent classification and guardrails for large language models, sold as packages, no-code Studios and Lucidworks AI. | ||
| 3.7−0.2 | Not listed | No | 30+ built-in AI/NLP enrichments - sentiment, emotion, ESG scoring, PII redaction - applied automatically as data streams from 284 sources into your warehouse. | vs Lucidworks (Fusion) | |
| 4.6+0.7 | Free | YesLucidworks (Fusion) has none | Fully managed vector database platform built by the creators of Milvus, offering real-time vector search, hybrid retrieval and lake-scale analytics for AI applications at billion-vector scale. | vs Lucidworks (Fusion) | |
| 4.3+0.4 | $75/mo | YesLucidworks (Fusion) has none | Predictive database that returns calibrated predictions from a company's own data in a single query, with no model to train, for invoice coding, routing, smart search, recommendations, anomaly detection and as a tool for AI agents. | vs Lucidworks (Fusion) |
The alternatives in detail
In order of how closely each one matches Lucidworks (Fusion).

Datastreamer
3.7Not listed
vs Lucidworks (Fusion)−0.2
30+ built-in AI/NLP enrichments - sentiment, emotion, ESG scoring, PII redaction - applied automatically as data streams from 284 sources into your warehouse.
- 30+ built-in AI/NLP enrichments (sentiment, NER, emotion, ESG scoring)
- Social Voice - transcription, translation, tonality analysis for video
- Private AI PII Redaction applied inline during streaming
Enrichment happens inline during streaming, not as a separate post-processing job
No published rate card - usage-based DVU pricing requires a conversation to estimate cost

Zilliz
4.6Free
vs Lucidworks (Fusion)+0.7Free plan
Fully managed vector database platform built by the creators of Milvus, offering real-time vector search, hybrid retrieval and lake-scale analytics for AI applications at billion-vector scale.
- Real-time vector, full-text, JSON and geospatial hybrid search
- Built on Milvus, the most widely adopted open-source vector database
- Engineered for 100B+ entities with predictable latency at 10,000+ QPS
Backed by a long, independently verifiable open-source track record (Milvus)
Aimed at engineering teams, not a plug-and-play end-user tool

Aito
4.3$75/mo
vs Lucidworks (Fusion)+0.4Free plan
Predictive database that returns calibrated predictions from a company's own data in a single query, with no model to train, for invoice coding, routing, smart search, recommendations, anomaly detection and as a tool for AI agents.
- Single-query predictions with calibrated confidence
- No model to train; learns from the customer's own data
- Invoice coding, PO routing and categorization use cases
Free self-hosted image and free cloud Sandbox
Developer-oriented; needs API work to use
FAQ
Questions people ask
Is Lucidworks (Fusion) free?
Lucidworks (Fusion) does not list a free plan. Check its pricing page for current plans.
What is the best free alternative to Lucidworks (Fusion)?
Zilliz is the highest-rated alternative here with a free plan (4.6 out of 5). Other free options: Aito.
What is the cheapest alternative to Lucidworks (Fusion)?
Among paid plans, Aito has the lowest starting price (from eur 75/mo). If you need it free, start with Zilliz.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.
