Haystack vs Inngest Agent

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Updated October 2026

Haystack

deepset GmbH

Build custom AI agents and RAG applications with open AI orchestration

Open Source

77% verification coverage

Inngest Agent

Inngest

Durable Execution for Workflows & AI — unbreakable agents, invisible infra

Freemium

78% verification coverage

Trust & Reliability

Haystack

Uptime:100% (90-day)Status page

Customers (per vendor):Lufthansa Industry Solutions, Accenture, NVIDIA +5

GDPR

SOC 2

HIPAA

Inngest Agent

Uptime:99.11% (90-day)Status page

Users:10K-100K

Customers (per vendor):Cohere, Day AI, Otto +3

GDPR

SOC 2

HIPAA

Overall Winner: Inngest Agent

7.2/10 vs Haystack at 6.5/10

Leads in:

Customization

Performance

Ease of Use

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Haystack

6.5

avg score

Inngest Agent

7.2

avg score

Inngest Agent leads overall — particularly in Performance.

Based on 7 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Overall Winner

Inngest Agent

7.2 / 10

Haystack

Best For

AI engineers building production-ready LLM applications

Developers needing explicit control over AI agent decisions

Teams integrating diverse AI models and data stores

Enterprises deploying AI workflows with reliability and observability

Inngest Agent

Best For

Developers building event-driven AI agents and workflows at scale

Teams needing robust background job processing with built-in reliability

Organizations requiring fine-grained control over errors and execution flow

Engineers replacing their serverless background job stack

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Haystack is best for

🔍Research5.3🎧Customer Support4.5🤖Automation & Agents4.3

Inngest Agent is best for

🤖Automation & Agents4.1💻Coding & Dev3.0📊Data & Analytics3.0

Filter by your use case:

Limitations

Haystack

Cons

Enterprise features and support are part of a separate paid offering

Inngest Agent

Cons

Free plan has limited executions, span data, and trace retention
Datadog integration is part of a $300 advanced observability add-on

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Haystack

6.5

/ 10

Inngest Agent

7.2

/ 10

Your pick

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Haystack

3.0

Inngest Agent

4.0▲ +1.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Haystack

9.0

Inngest Agent

10.0▲ +1.0

Support

How strong is the documentation, customer support, community, and learning resources?

Haystack

10.0

Inngest Agent

10.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Haystack

8.0▲ +1.0

Inngest Agent

7.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Haystack

4.0

Inngest Agent

4.0

Performance

Calculated

Latency + throughput speed

Haystack

5.0

Inngest Agent

8.0▲ +3.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Haystack

—

Inngest Agent

—

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Haystack

Task

Inngest Agent

3.0

Role Definition

3.0

Task Decomposition

3.0

7.0

Agent Coordination

3.0

Inter Agent Communication

3.0

7.0

Workflow Orchestration

8.0

7.0

Tool Use Delegation

3.0

State Management

3.0

5.0

Error Recovery

9.0

Observability

8.0

7.0

Scalability Throughput

7.0

3.0

Task Delegation

3.0

Parallel Execution

7.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

Which is better, Haystack or Inngest Agent?

Both are strong options. Haystack is a strong choice, while Inngest Agent is a strong choice. The best choice depends on your specific use case, budget, and workflow requirements.

Is Haystack cheaper than Inngest Agent?

Haystack starts at free (open_source model). Inngest Agent starts at free (freemium model) with a free trial. Use the Cost Calculator above for a detailed estimate.

What are the main differences between Haystack and Inngest Agent?

Haystack — "Build custom AI agents and RAG applications with open AI orchestration". Inngest Agent — "Durable Execution for Workflows & AI — unbreakable agents, invisible infra". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.

Can I use Haystack and Inngest Agent together?

Yes, many teams use both tools together for different purposes. Use the Stack Builder section above to combine Haystack and Inngest Agent with other tools and save your AI toolkit.

Does Haystack or Inngest Agent have a free plan?

Haystack is a paid tool. Inngest Agent is available for free with a free trial. Always verify current pricing directly with the vendor.

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