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Should I use Flyte?

Flyte 2: The Durable AI Runtime — one platform for your AI and data workflows - flyte.org

Depends. Adopt it if you're an engineering team running serious ML or AI pipelines on Kubernetes — it's free to self-host and production-proven at Lyft. Skip it if you need simple job scheduling or lack platform-ops capacity; Prefect or Airflow likely fit better.

Confidence

Medium. Based on ~20 usable public sources. Many 'Flyte' search results are unrelated companies (a band, jet charter, payroll, flyteai.com) and were excluded.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support qualityNo support-quality evidence found
  • Security posture

Pricing

Free

Open source

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
Union.ai managedContact sales

Best for

  • ML/data pipeline teams on Kubernetes
  • AI agent and workflow orchestration at scale
  • Python-first data science orgs
  • Teams outgrowing cron and Airflow

Not for

  • Small teams that just need cron or a task runner
  • Non-engineering teams — it's code-first Python
  • Orgs without Kubernetes or platform-ops capacity
  • No-code automation buyers

Gotchas - check before you buy

high

Self-hosting means you own patching, upgrades, and Kubernetes operations

medium

Migration from Flyte 1 is real work; the vendor publishes dedicated migration resources

medium

Open source is free, but managed pricing is opaque — contact-sales only

low

Verify ratings carefully: and Flyte HCM reviews are different products entirely

Pros and cons

Pros

  • Open-source core, free to self-host
  • Production-proven at Lyft for large-scale pipelines
  • Flyte 2 targets durable AI and agent orchestration
  • MLOps Redditors praise its developer experience
  • Stash cut pipeline compute costs 67%

Cons

  • One MLOps Redditor bluntly called it 'bad' vs Prefect
  • Lower score than Comet
  • Requires Kubernetes infrastructure and ops expertise
  • Flyte 1 users must migrate to Flyte 2
  • Name collides with unrelated Flyte products, muddying reviews

Sources & method

Analyzed 9/30/2026 - 13 sources - Open-source and self-hosted; four CVEs from 2022–2025 are on record (SSRF, SQL injection) tied to older versions — patch promptly.

official x2review x4security x5news x2
  • CVE-2022-24856 — SSRF in Flyte Console, Server-side request forgery in Flyte Console versions below 0.52.0.
  • CVE-2023-41891 — SQL injection in FlyteAdmin, SQL injection in FlyteAdmin list filters.
  • CVE-2022-39273 — Flyte vulnerability, NVD-listed Flyte issue published October 6, 2022; see advisory for impact details.
  • CVE-2025-22871 — Go stdlib flaw in flyte package, Affects flyte package versions below 1.15.1-r1 per Snyk/Chainguard.

Key stats

  • Value for money: 4/5

    Rating

  • Free

    Starting price

  • 13

    Sources

  • Analyzed

  • Value for money: 4/5. Open-source core is free
  • Ease of use: 2/5. Negative Redditor take vs Prefect
  • Feature depth: 4/5. Durable AI runtime, strong dev experience
  • Support quality. No support-quality evidence found
  • Security posture: 3/5. Patched SSRF and SQLi CVEs on record
  • 3.4/5 RFP.wiki score vs Comet at 3.7/5
  • Yes Free tier Open-source core, self-hosted
  • -67% Compute costs (Stash) Union.ai Flyte case study
  • 4 CVEs tracked 2022–2025, per NVD/Snyk

Pricing

Open source

Free

  • Full Flyte 2 runtime
  • Self-host on Kubernetes
  • Community forum support

Union.ai managed

Not disclosed

  • Hosted Flyte
  • Commercial backing from Union.ai

Security

Open-source and self-hosted; four CVEs from 2022–2025 are on record (SSRF, SQL injection) tied to older versions — patch promptly.

  • CVE-2022-24856 — SSRF in Flyte ConsoleServer-side request forgery in Flyte Console versions below 0.52.0.⁹
  • CVE-2023-41891 — SQL injection in FlyteAdminSQL injection in FlyteAdmin list filters.10
  • CVE-2022-39273 — Flyte vulnerabilityNVD-listed Flyte issue published October 6, 2022; see advisory for impact details.11
  • CVE-2025-22871 — Go stdlib flaw in flyte packageAffects flyte package versions below 1.15.1-r1 per Snyk/Chainguard.12

What users say

MLOps practitioners are split — some praise the developer experience, while one r/mlops user bluntly called it 'bad' versus Prefect.

“Flyte is bad.”
Reddit, r/mlops

Alternatives

Compare Flyte with each alternative.

  • Airflow

    Incumbent scheduler with the biggest ecosystem; heavier ops.

  • Prefect

    Lighter Python orchestration some Redditors prefer for simplicity.

    Flyte vs Prefect

  • ZenML

    ML-focused pipelines; markets itself as simpler than Flyte.

Companies that use it

Full analysis

Based on ~20 usable public sources. Many 'Flyte' search results are unrelated companies (a band, jet charter, payroll, flyteai.com) and were excluded.

Open-source AI/ML pipeline orchestrator, proven at Lyft — powerful but steep; overkill for simple automation.

Methodology

Based on ~20 usable public sources. Many 'Flyte' search results are unrelated companies (a band, jet charter, payroll, flyteai.com) and were excluded.

Sources

  1. Flyte 2: Durable AI Runtimeflyte.org
    official
  2. Flyte 1 vs. Flyte 2 vs. Union.aiunion.ai
    official
  3. Orchestrating Data Pipelines at Lyft: comparing Flyte and Airfloweng.lyft.com
    news
  4. Stash cuts pipeline compute costs by 67% with Flyteunion.ai
    news
  5. Flyte for ML orchestration — Reddit r/mlopsreddit.com
    review
  6. Flyte vs Prefect for machine learning orchestration — Reddit r/mlopsreddit.com
    review
  7. Flyte vs Comet — RFP.wikirfp.wiki
    review
  8. Flyte vs Airflow vs ZenML — ZenML blogzenml.io
    review
  9. Flyte Console <0.52.0 — SSRF (CVE-2022-24856)vulners.com
    security
  10. CVE-2023-41891: FlyteAdmin SQL Injectionmiggo.io
    security
  11. CVE-2022-39273 Detail — NVDnvd.nist.gov
    security
  12. CVE-2025-22871 affecting flyte package — Snyksecurity.snyk.io
    security
  13. Security — flyteorg/flyte on GitHubgithub.com
    security

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