Inngest vs Temporal 2026: Durable Functions vs Durable Workflows
Inngest (2021, San Francisco) is a developer-first durable functions platform with TypeScript and Python SDKs, 50,000 step runs/month free, and Pro pricing from $99/month. Temporal (2019) is the heavyweight durable workflow engine with seven-language SDK coverage, Cassandra-backed scale, and Cloud pricing from roughly $200/month at low volume or $2.5-4.5K/month self-host. This 2026 comparison covers programming model, pricing, scale ceiling, and operational footprint.
The Bottom Line: Inngest fits most TypeScript and Python application teams below 50M step runs/month with lower cost and zero ops; Temporal fits polyglot SDK requirements, 100M+ Action workloads, or compliance-driven self-host.
Overview
Inngest and Temporal are two of the most-cited durable execution platforms in 2026, but they target different audiences. Temporal (founded 2019 by the original authors of Uber Cadence) is the heavyweight reference implementation of durable workflows, with Cassandra-backed scale, multi-language SDKs, and a managed Cloud product alongside an Apache 2.0 self-host. Inngest (founded 2021, San Francisco) is a developer-first platform that ships durable functions as event-driven, retryable steps with a TypeScript-and-Python emphasis and a generous free tier on its managed cloud.
As of May 2026, Temporal Cloud reports tens of thousands of active workers across Standard and Mission Critical tiers; Inngest reports more than 7,000 organizations on the platform with a 50,000 step-run/month free tier. The decision between the two is rarely about correctness (both deliver durable execution semantics) and usually about programming model, scale ceiling, and operational footprint.
Programming Model
Temporal expresses workflows as long-running functions that orchestrate activities. The SDK preserves execution state through deterministic replay, which means workflow code must be deterministic and side-effects must be encapsulated as activities. SDKs are available for Go, Java, Python, TypeScript, .NET, PHP, and Ruby. The mental model is closest to actor-style stateful processes with full versioning and signal/query support.
Inngest expresses durable functions as event-driven step graphs. Each call to step.run, step.sleep, step.waitForEvent, or step.sendEvent is checkpointed and retried independently. The model is closer to typed event-driven background jobs with first-class waits and parallel fan-out. Code lives next to the application (Next.js, Remix, Express, FastAPI, Django) and is invoked over HTTP from the Inngest runtime.
Pricing (May 2026)
| Tier | Inngest | Temporal Cloud |
|---|---|---|
| Free | 50,000 step runs/month, 3 concurrent runs | 14-day trial, then paid only |
| Entry | Hobby $20/month, 200K steps | Standard from ~$200/month at low volume, $25/M Actions |
| Mid | Pro $50-$500/month tiers, scaling steps | Mid-volume typical $500-$5,000/month |
| Scale | Enterprise quote-based, self-host option | Mission Critical 2x consumption, 99.95% SLA |
For typical mid-volume application teams (1-10M step runs/month), Inngest pricing is meaningfully lower than Temporal Cloud at equivalent volume. At very high volume (50M+ Actions/month with operational maturity), Temporal self-host can become the cheaper option, but for the majority of TypeScript/Python application teams, Inngest sits at a better cost point.
Scale Ceiling
Temporal scales horizontally on Cassandra and has been deployed at organizations running tens of millions of concurrent workflow executions (Uber, Coinbase, Snap, Stripe). The history sharding model and the Cassandra-backed persistence deliver predictable performance at extreme scale.
Inngest is built on a different architecture (proprietary, durable-by-default with retries pushed back into the SDK invocation surface). Production deployments handle multi-million step run volumes routinely, but the public ceiling is lower than Temporal's. For application teams below roughly 100M step runs/month, this distinction is academic; at higher volume or with extreme parallelism requirements, Temporal's scale story is more proven.
Operational Footprint
Temporal self-hosted requires operating Cassandra (or PostgreSQL for smaller deployments), Elasticsearch (optional, for advanced visibility), and the Temporal services themselves (frontend, history, matching, worker). A realistic small-production self-host runs $2,500-$4,500/month in infrastructure plus operational labor. Temporal Cloud removes this footprint at consumption pricing.
Inngest cloud removes operational footprint entirely. The Inngest dev server (Apache 2.0) is used for local development; production functions are invoked over HTTP from the managed cloud. There is no Cassandra to operate.
When to Choose Inngest
- TypeScript or Python application teams that want event-driven step semantics
- Workloads below roughly 50M step runs/month where managed cloud is the right fit
- Teams that already deploy on Vercel, Netlify, or other serverless hosts
- Free tier is decisive for prototype and early-stage production
When to Choose Temporal
- Multi-language requirements (Java, Go, .NET, PHP, Ruby) beyond TypeScript and Python
- Very high scale (100M+ Actions/month) where the Cassandra-backed architecture is needed
- Compliance or data-residency rules that require self-host on the team's own infrastructure
- Workflows that need long-running deterministic replay and explicit versioning
Verdict
Inngest is the right call for most TypeScript and Python application teams below extreme scale. Temporal is the right call for multi-language polyglot deployments, very high scale, or compliance-driven self-host requirements.
Editor's Note: We have shipped client work on both. A 2026 fintech client (mid-stage SaaS, 8M durable runs/month) moved from a Temporal self-host attempt to Inngest after their on-call rotation could not absorb the Cassandra operational load; net cost dropped from roughly $3,200/month infrastructure plus 0.4 FTE to about $400/month on Inngest Pro with no dedicated ops time. A separate enterprise engagement (regulated industry, EU-only data residency) stayed on Temporal self-host because Inngest cloud was outside the data-sovereignty perimeter and the team already operated Cassandra. Honest caveat: the Inngest scale ceiling and multi-language support are still narrower than Temporal's, and we would not advise migrating an established Temporal deployment running 100M+ Actions/month without a hard cost-or-compliance trigger.
Tools Mentioned
Inngest
Durable workflow and background job platform for TypeScript and Python services.
Workflow AutomationTemporal Workflows
Build applications that never lose state, even when everything else fails.
Workflow AutomationHatchet
Open-source distributed task queue and workflow engine for Python, TypeScript, and Go services.
Workflow AutomationTrigger.dev
Open-source background jobs and durable workflows platform for TypeScript developers.
Workflow AutomationRelated Guides
Client Portals vs Workflow Orchestration Platforms: What Changes When External Parties Act Inside a Process
What changes when a client or supplier has to act inside your process, not just watch it? This guide compares four client portals with four orchestration platforms on how outsiders get in, whether you pay for them and what the audit log records, from vendor sources read 14 and 15 September 2026.
Moxo vs Zapier in 2026: Human Approval Steps, External Participants and Pricing
Moxo and Zapier both put a person in front of an automated decision, from opposite ends: Moxo builds the process out of human steps and attaches AI, while Zapier pauses an automation for a reviewer through its Human in the Loop app. This guide compares approvers, rejection, AI approval, audit logs, governance and pricing, verified 14 and 15 September 2026.
Keystroke vs n8n in 2026: Agent-Built TypeScript vs the Visual Canvas
Keystroke, launched in July 2026 by Y Combinator W24 company Sprint Labs, is a code-first automation platform where AI coding agents write workflows as TypeScript in the user's repository. n8n, founded in 2019, is the most widely deployed source-available visual workflow platform, with 200,000+ users and a $2.5 billion valuation. This comparison covers the agent-authored versus canvas building models, durable execution, licensing (Elastic License 2.0 vs the Sustainable Use License), verified July 2026 pricing including Keystroke's usage metering, and the maturity gap between a days-old platform and an established ecosystem.
Related Rankings
Best Automation Platforms for AI Orchestration 2026
This ranking answers one question: how many real business applications can an AI agent act on out of the box? It evaluates nine platforms as of August 2026 on the reach they give an agent, not on the workflow logic they can express. That boundary is deliberate, because two neighbouring pages on this site answer different questions. Best Process Orchestration Platforms 2026 scores multi-step process control, error handling and state management. Best AI Agent Platforms 2026 scores building and hosting the agent itself. This page scores the layer between them: the connective tissue that lets an agent already built elsewhere reach the applications a business actually runs on. A platform that leads one of those pages can place low here, and two of them do. Scores derive from application and action catalogue counts, the exposure model each platform uses to publish those catalogues to an agent, setup effort, failure handling and cost per agent action. Every figure was retrieved from a vendor-owned surface on 11 August 2026 unless an earlier date is stated against it.
Best Durable Workflow Engines for Production in 2026
A ranked list of the best durable workflow engines for production deployments in 2026. Durable workflow engines persist execution state to a database so that long-running workflows survive process restarts, deployments, and infrastructure failures. The ranking covers Temporal, Prefect, Apache Airflow, Camunda, Windmill, and n8n. Tools were evaluated on production reliability, developer experience, scalability, open-source health, and documentation quality. The shortlist intentionally mixes code-first engines (Temporal, Prefect, Airflow) with hybrid visual platforms (Camunda, Windmill, n8n) to reflect how production teams actually choose workflow engines in 2026.
Common Questions
Can you automate a platform with no API using Zapier?
Not as a proper Zapier app. Zapier's help centre, updated 29 May 2026, says a private app can be built "for any service with a public API", and its fallbacks for a missing app are email parsing, RSS, webhooks, asking Zapier to add the app, or using a different app. Those let a no-API platform tell a Zap that something happened; none of them lets a Zap act inside the platform. The Zapier Agents Chrome extension can "run actions" on a page open in your own browser (help article updated 27 April 2026), but that is hands-on help, not a reusable Zap step.
How does Moxo keep humans in control when AI agents run a workflow?
Moxo keeps people on the decisions by design: approvals and other human steps are ones its product page says "only a person can close", and AI agents can fill preparer, advisor or reviewer slots around them (both read 15 September 2026). The checks on AI output are opt-in, though. In synthetic AutomationAtlas tests that day, an AI extract step's "Human review" and "Supervisor Agent" switches were both off by default, and the builder accepted the same role as a form's submitter and its approver.
What is Moxo?
Moxo AI (app.moxo.com) is a process orchestration platform from Moxo, formerly Moxtra, for work where several parties, approvals and documents meet. You build templates of human steps, AI steps and automations, each run is a Flow with its own data and status, and outsiders act through account-free Magic Links. Its only published price is Team, and the AI agents start on the custom-quoted Scale plan (moxo.com/pricing, 15 September 2026). It is not Moxo Classic, the older app.
How much does Moxo cost in 2026?
Moxo's only published price is Team: $500 a month in the monthly view or $5,000 a year in the yearly view, for 100 flows and $100 of AI a year with unlimited seats (moxo.com/pricing, 15 September 2026). Scale (500 flows and $500 of AI a year) and Enterprise are custom quotes. There is no free plan, no published overage rate and no stated trial length, and the dollar AI allowance has no published conversion to the credits Moxo's product logs.