Comparison

txtai vs Weaviate

No clear leader: Weaviate (62.5) and txtai (61.2) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
txtai61
Weaviate63
Score
vioscaleAI score
txtai61 / 100medium · 56%
Weaviate63 / 100medium · 73%
Pricing
Free tier
txtai✓
Weaviate✓
Model
Weaviatefreemium
Price level
txtaifree
Weaviatelow
Transparent
txtai✓
Weaviate✗
Integrations
Count
txtai5
Weaviate25
Reliability
Sla pct
txtai–
Weaviate99.95
Status page
txtai✓
Weaviate✓
Adoption
Dependent repos
txtai14
Weaviate15
Github stars
txtai13,018
Weaviate16,862
Activity
Commits last 30d
txtai100
Weaviate100
Release
Cadence days
txtai27
Weaviate1
History
Weaviate20 items
License
Spdx
Language
Primary
txtaiPython
WeaviateGo
Market
Availability
Content
Faq
txtai6 items
Weaviate7 items

Capabilities

Feature-by-feature on the axes that matter for vector databases. “-” means undocumented, not absent.

Deployment
Deployment
txtaiEmbedded
WeaviateSelf-hosted
Serverless / consumption pricing
txtai-
Weaviate-
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
txtaiHNSW, IVF, IVFSparse, milvus-lite, turbovec, zvec
WeaviateHNSW
Distance metrics (cosine / dot / Euclidean)
txtaicosine
Weaviate-
Query
Metadata filtering
txtaiPre-filter
Weaviate-
Hybrid search (dense + sparse fusion)
txtai✓
Weaviate✓
Built-in BM25 / lexical
txtai✓
Weaviate✓
Storage
Quantization
txtaiScalar
WeaviateProduct
On-disk vs in-memory
txtaiDisk-backed
Weaviate-
Scale
Multi-tenancy (namespaces / collections / tenants)
txtai✓
Weaviate✓
Horizontal scale
txtaiSharded / distributed
WeaviateSharded / distributed
Consistency
Consistency
txtaiTunable
WeaviateTunable
Licensing
Licence class
txtaiPermissive OSS
WeaviatePermissive OSS
Classification
Purpose-built vs feature-of-parent
txtaiDedicated DBMS
WeaviateDedicated DBMS

What each one is

The product in its own terms, so the numbers below have context.

txtai

txtai is an open-source Python framework for building semantic search applications, LLM-powered agents, retrieval augmented generation systems, and language model workflows with support for multiple vector backends and integration with various LLMs.

Independently observed

Weaviate

A vector database that enables semantic search by storing both objects and vectors, with built-in support for combining vector similarity search with traditional keyword search, retrieval-augmented generation, and reranking capabilities.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

txtai

Open sourceFree tier
as of verify ↗

Weaviate

HybridFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
txtai✓
Weaviate✓
CLI
txtai✓
Weaviate✗
Deployment
Cloud / SaaS
txtai✗
Weaviate✓
Self-hosted
txtai✓
Weaviate✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

txtai

12 total
  • llama.cpp
  • LiteLLM
  • Hugging Face
  • OpenAI
  • Claude
  • AWS Bedrock
  • smolagents
  • OpenCode
  • DuckDB
  • Milvus
  • LiteRT
  • Model Context Protocol
Independently observed

Weaviate

Not documented yet.

Still deciding?

txtai or Weaviate: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.