gpt-oss: A New Era of Open AI
Released on August 5, 2025, gpt-oss marks OpenAI's return to open-weight models. It includes gpt-oss-120B and gpt-oss-20B, engineered for sophisticated chain-of-thought reasoning. This isn't just a model; it's a new foundation for trustworthy AI.
Built for Innovators, Built for You
Empowering Your Vision, Securely. gpt-oss provides a versatile and secure AI toolkit for professionals across industries.
For Customer Service Teams
Automate responses and guide users with an AI that understands context and process.
For Education & Students
Explain complex topics, offer step-by-step problem-solving, and provide constructive writing feedback.
For Developers & Engineers
Generate code, debug complex issues, and learn new frameworks with a reliable, private coding partner.
For Creators & Marketers
Brainstorm ideas, draft compelling copy, and summarize research, all within a secure environment.
Core Advantages: The gpt-oss Difference
Authority in Action: Security, Performance, and Flexibility.
🛡️Airtight Data Privacy
Your conversations and data never leave your control. All inference runs in your private environment or on-premise, with zero external API calls. This is our non-negotiable promise of security.
🧠Transparent & Powerful Logic
Go beyond simple answers. gpt-oss uses chain-of-thought to tackle complex problems, showing you its reasoning step-by-step. This makes outputs not only smarter but also fully verifiable.
✅Auditable & Responsible by Design
Trust is built-in. With features like reasoning path visualization, simulated abuse testing, and external expert audits, gpt-oss provides the tools you need for safe and responsible deployment.
💼Unrestricted Commercial Use
Innovate without limits. The content you generate is yours to commercialize. Our business-friendly license empowers you to build products and services on gpt-oss with legal peace of mind.
gpt-oss vs. Other Leading Models
See how gpt-oss stacks up against industry benchmarks. The data demonstrates its superior performance in complex tasks.
| Benchmark | gpt-oss-120b | gpt-oss-20b | OpenAI o3 | OpenAI o4-mini |
|---|---|---|---|---|
| Reasoning & Knowledge | ||||
| MMLU | 90 | 85.3 | 93.4 | 93 |
| GPQA Diamond | 80.9 | 74.2 | 77 | 81.4 |
| Human-Level Ultimate Test | 19 | 17.3 | 24.9 | 17.7 |
| Competition Math | ||||
| AIME 2024 | 96.6 | 96 | 91.6 | 93.4 |
| AIME 2025 | 97.9 | 98.7 | 88.9 | 92.7 |
Simple, Transparent Pricing
Choose the Plan That Fits Your Needs. Start for free and scale as you grow.
| Plan Type | Features | Price |
|---|---|---|
| Free Plan | Free credits on signup to experience gpt-oss; Access to public Prompt Template Library. | Free |
| Basic Plan | Generous monthly chat allowance; Use of Prompt Templates and Generator. | $10 / month |
| Pro Plan | RAG support, custom Prompt management, chat history export, and priority support. | $30 / month |
| Super Plan | Prompt Fine-Tuning services, industry knowledge base integration, and a dedicated SLA. | $99 / month |
FAQ - gpt-oss
Find answers to common questions about gpt-oss.
We use a multi-layered approach combining RAG for factual accuracy, content filters, visualized reasoning paths for auditing, and human review to maintain high standards of quality and compliance.
You don't have to be! Our platform is built to help. Use our template library, let the Prompt Generator build one for you, or use our optimization tips to improve your own.
Your security is our top priority. All inference happens in a controlled environment or on your local machine. We use strict account isolation and never call third-party services with your data.