Gpt-Oss

Visit Tool

gpt-oss is an open-source AI tool that provides open-weight language models by OpenAI. It offers gpt-oss-120b and gpt-oss-20b for powerful reasoning and agentic tasks.

Claim this tool

1View

At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is gpt-oss?

gpt-oss is a series of open-weight language models developed by OpenAI, designed for advanced reasoning, agentic tasks, and diverse developer use cases. It includes two primary models: gpt-oss-120b, suitable for production and general-purpose high-reasoning tasks on a single 80GB GPU, and gpt-oss-20b, optimized for lower latency and specialized local applications within 16GB of memory. Both models are trained with a harmony response format, which is crucial for their correct operation. Key features include a permissive Apache 2.0 license, configurable reasoning effort, full chain-of-thought access for debugging, fine-tunability, and agentic capabilities like function calling and web browsing. The models also utilize MXFP4 quantization for efficient memory usage.

Best used for

Ideal for developers and data scientists who need to deploy powerful, open-weight language models, perform complex reasoning, and integrate agentic capabilities into their applications. Especially valuable for those requiring fine-tunability and efficient memory usage for production or specialized local use cases.

Common actions

deploy language models

perform agentic tasks

customize AI models

run AI locally

integrate AI tools

face swappinggithub copilotautomated workflowlow-code/no-codedeepfakeworkflowscollaboration"AI Agents"open-source

Capabilities

Key features

Open-weight language models
Configurable reasoning effort
Full chain-of-thought
Fine-tunable models
Agentic capabilities
MXFP4 quantization
Apache 2.0 license

Target Audience

developerdata scientiststartup founder

Integrations

hugging-facevllmollamalm-studio

Pricing & Plans

Open Source

Free

FAQs

What are the main differences between gpt-oss-120b and gpt-oss-20b?

gpt-oss-120b is designed for production, general-purpose, high-reasoning use cases, fitting into a single 80GB GPU. gpt-oss-20b is for lower latency and local or specialized use cases, running within 16GB of memory. Both offer powerful capabilities but are optimized for different resource constraints.

What is the 'harmony response format' and why is it important for gpt-oss models?

The harmony response format is a specific interaction protocol used during the training of gpt-oss models. It is crucial because the models are designed to only work correctly when used with this format. If not applied, the models will not function as intended, impacting their performance and outputs.

Can gpt-oss models be fine-tuned for specific use cases?

Yes, gpt-oss models are fully fine-tunable, allowing users to customize them to their specific needs. This capability enables developers to adapt the models for unique tasks or datasets, enhancing their relevance and performance within specialized applications.

Trending

Subcategories trending in Coding & Development

Code Assistants DevOps & Infrastructure No-Code / Low-Code Testing & QA Backend & APIs Prompt Engineering

Trending

Also listed in

This tool also appears in

AI Agents & Automation › AI Frameworks & Infra AI Agents & Automation › General-Purpose Agents

Explore

Browse AI tools by category

Content & Design Productivity & Business Coding & Development AI Agents & Automation Research & Education Wellness & Lifestyle Career Development Marketing & Growth Data & Analytics Customer Support & CX Finance E-commerce