vioscaleAI
Comparison

txtai vs Upstash

On the evidence we track, Upstash leads this comparison with a composite score of 74/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

txtai full profile →Upstash full profile →
Machine formatsMarkdownJSONGraphQLAll open, no key required.
txtai60
★Upstash74
Score
vioscaleAI score
txtai60 / 100medium · 57%
Upstash74 / 100medium · 73%
Pricing
Free tier
txtai✓
Upstash✓
Model
Price level
txtaifree
Upstashlow
Starting price
txtai–
Upstash$10
Transparent
txtai✓
Upstash✓
Integrations
Count
txtai9
Upstash7
Security
Disclosure policy
txtai–
Upstash✓
Gdpr
txtai–
Upstash✓
Hipaa
txtai–
Upstash✓
Scorecard
txtai5.4
Upstash–
Soc2
txtai–
Upstash✓
Vulnerabilities
Reliability
Sla pct
txtai–
Upstash99.99
Status page
txtai✓
Upstash✓
Adoption
Dependent repos
txtai14
Upstash–
Github stars
txtai12,947
Upstash–
Activity
Commits last 30d
txtai52
Upstash–
Release
Cadence days
txtai27
Upstash–
History
txtai20 items
Upstash–
License
Spdx
txtaiApache-2.0
Upstash–
Language
Primary
txtaiPython
Upstash–
Market
Availability
Content
Faq
txtai6 items
Upstash7 items

Capabilities

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

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

Upstash

Leader

A cloud platform offering serverless Redis, vector databases, message queues, and workflow orchestration designed for developers building serverless applications, with usage-based and fixed-rate pricing options.

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 ↗

Upstash

Leader
from $10/moHybridFree tier

Free tier available. Pay-as-you-go from $0 (1 GB storage free), or fixed plans $10–$1,500/month

  • Pay-as-you-goFree
    • 1 GB free storage
    • Per-request pricing
    • No minimum charge
  • Fixed plan$10 to $1,500 per month depending on storage and throughput requirements
    • Guaranteed capacity
    • No per-request overage charges
    • Flexible cancellation
  • EnterpriseContact sales
    • Custom capacity and SLAs
    • Dedicated support
as of verify ↗

Platform & deployment

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

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

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

Upstash

Leader
11 total
  • Cloudflare Workers
  • Auth0
  • MongoDB
  • MySQL
  • PostgreSQL
  • Debezium
  • JDBC
  • FluentBit
  • Drizzle
  • Vercel AI SDK
  • Redis protocol clients
Independently observed
Still deciding?

txtai or Upstash: 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.