Comparison

DSPy vs Haystack

On the evidence we track, Haystack leads this comparison with a composite score of 66/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

DSPy full profile →Haystack full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

DSPy54

★Haystack66

Attribute comparison across 2 tools
Attribute	DSPy	HaystackLeader
vioscaleAI score	54 / 100medium · 58%	66 / 100medium · 68%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	low
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	1	9
Security
Scorecardsecurity.scorecard	-	9.4
Vulnerabilitiessecurity.vulnerabilities	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=dspy&per_page=100 · Last 12m: 1 · Max severity: MODERATE	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=farm-haystack&per_page=100 · Last 12m: 0 · Max severity: CRITICAL
Reliability
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	3	237
Github starsadoption.github_stars	38,644	26,738
Package downloads weeklyadoption.package_downloads_weekly	93,838	121,930
Activity
Commits last 30dactivity.commits_last_30d	67	100
Release
Cadence daysrelease.cadence_days	17	2
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	Apache-2.0
Language
Primarylanguage.primary	Python	Python
Market
Availabilitymarket.availability	Available worldwide · HQ US	Available worldwide
Content
Faqcontent.faq	6 items	6 items

Score

vioscaleAI score

DSPy54 / 100medium · 58%

Haystack66 / 100medium · 68%

Pricing

Free tier

DSPy✓

Haystack✓

Model

DSPyopen_source

Haystackfreemium

Price level

DSPyfree

Haystacklow

Transparent

DSPy✓

Haystack✗

Integrations

Count

DSPy1

Haystack9

Security

Scorecard

DSPy–

Haystack9.4

Vulnerabilities

DSPyCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=dspy&per_page=100 · Last 12m: 1 · Max severity: MODERATE

HaystackCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=farm-haystack&per_page=100 · Last 12m: 0 · Max severity: CRITICAL

Reliability

Status page

DSPy✓

Haystack–

Adoption

Dependent repos

DSPy3

Haystack237

Github stars

DSPy38,644

Haystack26,738

Package downloads weekly

DSPy93,838

Haystack121,930

Activity

Commits last 30d

DSPy67

Haystack100

Release

Cadence days

DSPy17

Haystack2

History

DSPy20 items

Haystack20 items

License

Spdx

DSPyMIT

HaystackApache-2.0

Language

Primary

DSPyPython

HaystackPython

Market

Availability

DSPyAvailable worldwide · HQ US

HaystackAvailable worldwide

Content

Faq

DSPy6 items

Haystack6 items

Capabilities

Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.

Capability comparison for MLOps & LLMOps Tools
Capability	DSPy	Haystack
Core
Tool role	Agent / RAG framework	End-to-end ML platform
Deployment
Self-hostable / OSS core	✓	✓
Managed cloud available	✗	✓
On-prem / VPC deployment	✓	✓
Observability
LLM tracing / observability	✓	✓
Evaluation (offline / LLM-judge / human)	✓	✓
Dev
Prompt management + versioning	✓	✓
Tracking
Experiment tracking / model registry	✗	-
Serving
Model serving / inference endpoint	✗	✓
Interop
OpenTelemetry / OpenLLMetry compatible	✗	✓
Framework-agnostic	✓	✓
Gateway
Multi-provider model support	✓	✓
Data
No-train-on-customer-data guarantee	Unknown	Unknown

Core

Tool role

DSPyAgent / RAG framework

HaystackEnd-to-end ML platform

Deployment

Self-hostable / OSS core

DSPy✓

Haystack✓

Managed cloud available

DSPy✗

Haystack✓

On-prem / VPC deployment

DSPy✓

Haystack✓

Observability

LLM tracing / observability

DSPy✓

Haystack✓

Evaluation (offline / LLM-judge / human)

DSPy✓

Haystack✓

Dev

Prompt management + versioning

DSPy✓

Haystack✓

Tracking

Experiment tracking / model registry

DSPy✗

Haystack-

Serving

Model serving / inference endpoint

DSPy✗

Haystack✓

Interop

OpenTelemetry / OpenLLMetry compatible

DSPy✗

Haystack✓

Framework-agnostic

DSPy✓

Haystack✓

Gateway

Multi-provider model support

DSPy✓

Haystack✓

Data

No-train-on-customer-data guarantee

DSPyUnknown

HaystackUnknown

What each one is

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

DSPy

Framework enabling developers to construct AI systems using typed task definitions and modular components, with automatic optimization replacing manual prompt design.

Independently observed

Haystack

Leader

A Python-based orchestration framework for building production-ready AI applications with modular pipelines, agent workflows, and retrieval-augmented generation (RAG). Provides explicit control over retrieval, reasoning, memory, tools, and generation components, supporting everything from simple semantic search to complex multi-step agent systems.

Independently observed

Pricing

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

DSPy

Open sourceFree tier

as of 2026-08-14verify ↗

Haystack

Leader

HybridFree tier

Free open-source core with paid enterprise support available

Open SourceFree
EnterpriseContact sales

as of 2026-10-13verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	DSPy	Haystack
WebPlatforms	✓	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✗	✓

Platforms

Web

DSPy✓

Haystack✓

macOS

DSPy✓

Haystack✗

Windows

DSPy✓

Haystack✗

Linux

DSPy✓

Haystack✗

CLI

DSPy✓

Haystack✓

Deployment

Cloud / SaaS

DSPy✗

Haystack✓

Self-hosted

DSPy✓

Haystack✓

On-premise

DSPy✗

Haystack✓

Integrations

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

In common (2)

OpenAI
Anthropic

DSPy

2 total - 0 not shared

OpenAI
Anthropic

Independently observed

Haystack

Leader

28 total - 26 not shared

Mistral
Hugging Face
Weaviate
Pinecone
Elasticsearch
AstraDB
Apify
ReadMe
Azure OpenAI
Datadog
OpenTelemetry
SerperDev
SearchApi
Cohere
AWS Bedrock
FAISS
AWS SageMaker
OpenSearch
Google Colab
MCP servers
Amazon Bedrock
Claude
Amazon S3
Meta
+2 more

Independently observed

Still deciding?

DSPy or Haystack: 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.