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open-r1

Fully open reproduction of DeepSeek-R1 for language modeling tasks.

Status
Generally available
Last checked
Aging · Sep 1, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

Open-r1 is a fully open-source reproduction of the DeepSeek-R1 model, designed to perform various language modeling tasks. It offers developers and researchers access to advanced AI capabilities under an Apache-2.0 license.

Open-r1 stands out as a fully open-source alternative to DeepSeek-R1, offering developers and researchers complete transparency and flexibility in their language modeling tasks.

When it fits — and when it doesn’t

A good fit for

  • Researchers looking for a fully open-source alternative to DeepSeek-R1

  • Developers needing flexibility in self-hosting their models

  • Projects requiring reproducibility and transparency in AI model usage

Look elsewhere if

  • Teams requiring real-time, low-latency responses from the model

  • Applications that need cloud-based managed services for ease of use

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited documentation and examples

    Official repository lacks comprehensive guides, tutorials are sparse and out-of-date

  2. 02

    Performance issues with large datasets

    Model training times increase exponentially with larger input sizes, memory usage is high

What it does well

  • Fully open-source under Apache-2.0 license

  • Reproduction of DeepSeek-R1 model for language tasks

  • Self-hosted deployment flexibility

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up open-r1

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →