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Flyte vs Opik

Both stand on mlops platforms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Flyte

Free plan Open source APILinuxSelf-hosted+1

Pick Flyte if you want a Python-based runtime for durable AI workflows and need local or cluster deployment. The free OSS plan provides the runtime, while teams needing the listed Team capacity, retention, or support should account for the monthly minimum plus usage; Enterprise pricing is custom.

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Opik

Free plan Open source APILinuxMac+3

Opik brings tracing, evaluation, testing, and production monitoring into one platform, with both cloud and self-hosted options. Teams should weigh the listed monthly span and retention limits against their usage.

Visit Opik

The facts

FlyteOpik
Free planYesYes
Open sourceYesYes
Runs onAPI, Linux, Self-hosted, WebAPI, Linux, Mac, Self-hosted, Web, Windows
Lowest paid planSee the plansPro Cloud: $19 a month
Plans published44
MakerNot publishedNot published
Websiteflyte.orgcomet.com
On mlops platforms#1 of 29#3 of 29

Flyte: what it does well

  • Free Apache 2.0 runtime for local or cluster use.
  • Workflows use Python async functions and TaskEnvironment declarations.
  • Resumes failed tasks and recovers from listed infrastructure failures.
  • Supports dynamic branching, loops, and runtime decisions.
  • Integrates with serving frameworks and AI, data, and ML tools.

What to know first

  • Team costs $950 a month plus usage.
  • Team limits runs to 25,000 fanout actions and 1,000 concurrent actions.
  • Team includes one cluster and 30-day data retention.
  • Enterprise pricing is custom.

Opik: what it does well

  • Evaluations include more than 30 metrics.
  • Production monitoring can alert on failed criteria.
  • Open-source code can run locally.
  • Free Cloud includes 25,000 monthly spans.

What to know first

  • Free Cloud retains data for 60 days.
  • Pro Cloud costs $19 per month.
  • Enterprise pricing is custom.

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