OPT
Meta's open pretrained transformer language models for researchers
- Pricing
- Paid
- Platform
- Web
- Open source
- Yes
About OPT
OPT (Open Pretrained Transformers) is a suite of open-source large language models from Meta AI, ranging from 125M to 175B parameters, designed as a reproducible and accessible alternative to GPT-3. The models are available on Hugging Face for research purposes and are trained on publicly available datasets. OPT aims to enable the broader research community to study large language model behavior and limitations.
Specifications
Everything we hold on this listing.
- Category
- Coding & Dev Tools
- Pricing
- Paid
- Platforms
- Web
- Website
- huggingface.co
- Open source
- Yes
- Added
- Apr 23, 2026
- Source
- awesome
opensource, platform, tags were inferred from this tool's own description, not confirmed by its maker. Claim this listing to correct it.
How OPT compares
The closest tools in the directory, matched on shared capability rather than category alone.
Frequently asked
What is OPT used for?
OPT (Open Pretrained Transformers) is a suite of open-source large language models from Meta AI, ranging from 125M to 175B parameters, designed as a reproducible and accessible alternative to GPT-3. The models are available on Hugging Face for research purposes and are trained on publicly available datasets. OPT aims to enable the broader research community to study large language model behavior and limitations.
Is OPT free?
OPT is Paid. Paid tool. Visit the site to view current pricing plans.
What platforms does OPT run on?
OPT runs on Web. Whether it offers a public API isn't stated, check the vendor's docs before planning an integration.
Is OPT open source?
Yes, OPT publishes its source, so you can self-host it, audit what it does with your data, and avoid per-seat pricing. Browse more open-source options at brofindai.com/tags/open-source.
What are the best alternatives to OPT?
The closest alternatives are Agenta, aider, Bloom, Continue, all coding & dev tools tools that overlap with OPT on coding, developer, llm. See the full list at brofindai.com/alternatives/opt.
