Wikitopia
Vespa
productSearch Engine
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Overview
Developed byYahoo
Maintained byVerizon Media
Founded2017
LicenseApache License 2.0
Open source✓ Open Source
Primary languageJava
Use casebig data search and selection
Technical
Protocols
REST APIHTTPJSONgRPC
Also see
Alternative to
ElasticsearchApache Solr
Competes with
Elasticsearch
Knowledge graph stats
Claims46
Avg confidence91%
Avg freshness99%
Last updatedUpdated 5 days ago
WikidataQ334422
Trust distribution
100% unverified
Governance
Not assessed
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Vespa

product

Big data serving engine that supports vector search alongside traditional text search and structured data.

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pricing model

ValueTrustConfidenceFreshnessSources
open source○UnverifiedHighFresh1
free○UnverifiedHighFresh1
free open source○UnverifiedHighFresh1

supports format

ValueTrustConfidenceFreshnessSources
JSON○UnverifiedHighFresh1

open sourced year

ValueTrustConfidenceFreshnessSources
2017○UnverifiedHighFresh1

primary use case

ValueTrustConfidenceFreshnessSources
big data search and selection○UnverifiedHighFresh1
big data search and machine learning○UnverifiedHighFresh1
real-time big data serving and search○UnverifiedHighFresh1
machine learning inference at scale○UnverifiedHighFresh1
real-time search and recommendation○UnverifiedHighFresh1
real-time search○UnverifiedHighFresh1
real-time big data serving and searching○UnverifiedHighFresh1
big data serving engine○UnverifiedHighFresh1

supports feature

ValueTrustConfidenceFreshnessSources
vector search○UnverifiedHighFresh1
real-time indexing○UnverifiedHighFresh1
machine learning inference○UnverifiedModerateFresh1

supports protocol

ValueTrustConfidenceFreshnessSources
REST API○UnverifiedHighFresh1
HTTP○UnverifiedHighFresh1
JSON○UnverifiedModerateFresh1
gRPC○UnverifiedModerateFresh1

license type

ValueTrustConfidenceFreshnessSources
Apache License 2.0○UnverifiedHighFresh1

developed by

ValueTrustConfidenceFreshnessSources
Yahoo○UnverifiedHighFresh1

open source

ValueTrustConfidenceFreshnessSources
true○UnverifiedHighFresh1

first released

ValueTrustConfidenceFreshnessSources
2017○UnverifiedHighFresh1

requires

ValueTrustConfidenceFreshnessSources
Java○UnverifiedHighFresh1
Java 11○UnverifiedHighFresh1
Java 11 or higher○UnverifiedHighFresh1

programming language

ValueTrustConfidenceFreshnessSources
Java○UnverifiedHighFresh1

written in

ValueTrustConfidenceFreshnessSources
Java○UnverifiedHighFresh1
C++○UnverifiedModerateFresh1

maintained by

ValueTrustConfidenceFreshnessSources
Verizon Media○UnverifiedHighFresh1

founded year

ValueTrustConfidenceFreshnessSources
2017○UnverifiedHighFresh1

supports model

ValueTrustConfidenceFreshnessSources
machine learning ranking○UnverifiedModerateFresh1
machine learning models○UnverifiedModerateFresh1
ONNX○UnverifiedModerateFresh1

integrates with

ValueTrustConfidenceFreshnessSources
Docker○UnverifiedModerateFresh1
Hadoop○UnverifiedModerateFresh1
Apache Spark○UnverifiedModerateFresh1
ONNX○UnverifiedModerateFresh1
Apache Kafka○UnverifiedModerateFresh1
TensorFlow○UnverifiedModerateFresh1

alternative to

ValueTrustConfidenceFreshnessSources
Elasticsearch○UnverifiedModerateFresh1
Apache Solr○UnverifiedModerateFresh1

competes with

ValueTrustConfidenceFreshnessSources
Elasticsearch○UnverifiedModerateFresh1

Alternatives & Similar Tools

Elasticsearch
alternative to
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Apache Solr
alternative to
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Elasticsearch
competes with
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Commonly Used With

DockerHadoopApache SparkONNXApache KafkaTensorFlow

Related entities

Claim count: 46Last updated: 4/5/2026Edit history