Inngest Agent vs Haystack

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

Data last refreshed August 2026

Inngest Agent

Inngest

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

Freemium

78% verification coverage

Haystack

deepset GmbH

Build custom AI agents and RAG applications with open AI orchestration

Open Source

77% verification coverage

Trust & Reliability

Inngest Agent

Uptime:99.11% (90-day)Status page

Users:10K-100K

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

GDPR

SOC 2

HIPAA

Haystack

Uptime:100% (90-day)Status page

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

GDPR

SOC 2

HIPAA

Too Close to Call

Inngest Agent (6.8) vs Haystack (6.5) — difference of 0.3 points

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

AI Comparison Summary

Inngest Agent

6.8

avg score

Haystack

6.5

avg score

Both tools score very similarly overall — the best choice depends on your specific priorities.

Based on 6 dimensions

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

Too close to call — it's a tie

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

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

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

Inngest Agent is best for

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

Haystack is best for

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

Filter by your use case:

Limitations

Inngest Agent

Cons

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

Haystack

Cons

Enterprise features and support are part of a separate paid offering

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

Inngest Agent

6.8

/ 10

Your pick

Haystack

6.5

/ 10

Dimension Breakdown

Ease of Use

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

Inngest Agent

4.0▲ +1.0

Haystack

3.0

Customization

Calculated

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

Inngest Agent

8.0

Haystack

9.0▲ +1.0

Support

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

Inngest Agent

10.0

Haystack

10.0

Integration

Calculated

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

Inngest Agent

7.0

Haystack

8.0▲ +1.0

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

Inngest Agent

4.0

Haystack

4.0

Performance

Calculated

Latency + throughput speed

Inngest Agent

8.0▲ +3.0

Haystack

5.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Inngest Agent

—

Haystack

—

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

Inngest Agent

Task

Haystack

3.0

Role Definition

3.0

Task Decomposition

3.0

Agent Coordination

7.0

3.0

Inter Agent Communication

3.0

8.0

Workflow Orchestration

7.0

3.0

Tool Use Delegation

7.0

3.0

State Management

3.0

9.0

Error Recovery

5.0

8.0

Observability

9.0

7.0

Scalability Throughput

7.0

3.0

Task Delegation

3.0

7.0

Parallel Execution

3.0

* 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

What are the main differences between Inngest Agent and Haystack?

Inngest Agent — "Durable Execution for Workflows & AI — unbreakable agents, invisible infra". Haystack — "Build custom AI agents and RAG applications with open AI orchestration". The Features section on this page compares them side by side.

Who is Inngest Agent best for compared with Haystack?

Inngest Agent is best for Developers building event-driven AI agents and workflows at scale; and for Teams needing robust background job processing with built-in reliability. Haystack is best for AI engineers building production-ready LLM applications; and for Developers needing explicit control over AI agent decisions.

How does the pricing of Inngest Agent compare with Haystack?

Inngest Agent is freemium, includes a free plan, paid plans start at $99/month, offers a free trial. Haystack is open source, includes a free plan. Always verify current pricing with the vendor.

Does Inngest Agent or Haystack have a free plan?

Inngest Agent has a free plan and offers a free trial. Haystack is open source. Always verify current pricing with the vendor.

Do Inngest Agent and Haystack offer an API?

Inngest Agent offers a public API. Haystack offers a public API.

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