# Haystack

> Open-Source AI Orchestration for Production-Grade Agents

- **Canonical URI:** https://www.vioscale.ai/software/haystack
- **Category:** MLOps & LLMOps Tools
- **Homepage:** https://haystack.deepset.ai
- **Also known as:** haystack
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T22:49:55.545Z

## Vioscale score

**63.7 / 100**, confidence 48% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 80 | 10 | 800 | ✓ |
| reliability | 0 | 12 | 0 | - |
| capabilities | 81.2 | 32 | 2596.8 | ✓ |
| github_stars | 83.3 | 5 | 416.6 | ✓ |
| integrations | 26 | 18 | 467.5 | ✓ |
| github_activity | 63.1 | 18 | 1135.8 | ✓ |
| release_cadence | 99.4 | 10 | 994.4 | ✓ |
| security_posture | 0 | 12 | 0 | - |
| package_downloads | 68.8 | 26 | 1789.7 | ✓ |
| pricing_transparency | 25 | 16 | 400 | ✓ |
| stackoverflow_activity | 0 | 12 | 0 | - |

## Pricing

_As of 2026-08-03, [verify at source](https://haystack.deepset.ai). Independently observed._

Hybrid · Free tier

## About

Haystack is an open-source AI orchestration framework for building production-ready agents and RAG applications with smart context engineering and modular components that provide full visibility into AI decision-making.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, Web
- **Deployment:** Cloud / SaaS, Hybrid, On-premise, Self-hosted

## Integrations (7)

_Independently observed._

- OpenAI
- Anthropic
- Mistral
- Hugging Face
- Weaviate
- Pinecone
- Elasticsearch

## Capabilities

_The capabilities that matter for MLOps & LLMOps Tools. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Tool role | Agent / RAG framework |
| **Deployment** | |
| Self-hostable / OSS core | ✓ |
| Managed cloud available | ✓ |
| **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 | - |
| **Gateway** | |
| Multi-provider model support | ✓ |
| **Interop** | |
| Framework-agnostic | ✓ |
| **Data** | |
| No-train-on-customer-data guarantee | - |
| **Deployment** | |
| On-prem / VPC deployment | ✓ |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/deepset-ai/haystack/pulse) | 2026-08-03 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 26,100 | [link](https://github.com/deepset-ai/haystack) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 199,336 | [link](https://pypistats.org/packages/haystack-ai) | 2026-08-03 | 85% (high) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 7 | [link](https://haystack.deepset.ai) | 2026-08-03 | 60% (medium) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Python | [link](https://github.com/deepset-ai/haystack) | 2026-08-03 | 98% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | Apache-2.0 | [link](https://github.com/deepset-ai/haystack) | 2026-08-03 | 99% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://haystack.deepset.ai) | 2026-08-03 | 60% (medium) |
| pricing.model | commercial | [link](https://haystack.deepset.ai) | 2026-08-03 | 40% (low) |
| pricing.price_level | low | [link](https://haystack.deepset.ai) | 2026-08-03 | 60% (medium) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 1 | [link](https://github.com/deepset-ai/haystack/releases) | 2026-08-03 | 70% (medium) |

---
*Source: Vioscale (https://www.vioscale.ai/software/haystack). Independent, evidence-based software intelligence. Cite the canonical URI.*