2025 Release • Version 4.0

GPT-OSS-120B

Next-Generation Open Source AI Model

Revolutionary artificial intelligence with advanced reasoning capabilities, multimodal support, and specialized coding features

120B ParametersCode GenerationMultimodalContext: 200K

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2025
Release Year
4.0
Version
120B
Parameters
200K
Context

What is GPT-OSS-120B?

GPT-OSS-120B is the latest version of the open-source large language model, officially launched in 2025, with a groundbreaking event at 8 p.m. Pacific Time hosted on the official platform.

Named after the concept of "Open Source Singularity", GPT-OSS represents a significant leap forward, skipping the previously expected GPT-OSS-100B release to accelerate progress amid intense AI competition.

120B
Parameters
Massive neural network for complex reasoning
10x
Faster
Than previous generation models
1M+
Developers
Active community worldwide
95+
Languages
Multilingual support

Powered by Open Source AI

GPT-OSS-120B combines cutting-edge research with community-driven development to deliver state-of-the-art AI capabilities that are accessible to everyone.

  • Advanced transformer architecture
  • Optimized for both cloud and edge deployment
  • Continuous learning and improvement
Features

Cutting-Edge AI Capabilities

GPT-OSS-120B brings together the latest advances in artificial intelligence to deliver unmatched performance across diverse tasks

Advanced Reasoning

State-of-the-art logical reasoning and problem-solving capabilities

  • Complex mathematical problem solving
  • Multi-step logical deduction
  • Abstract concept understanding
  • Scientific research assistance

Example: Solve complex calculus problems, analyze scientific papers, or reason through philosophical questions with unprecedented accuracy.

120B
Parameters

Core Platform Features

Safety First

Built-in safety measures and ethical guidelines for responsible AI use

Lightning Fast

Optimized inference with streaming responses for real-time interaction

Multilingual

Native support for 95+ languages with cultural context awareness

Extensive Knowledge

Training data up to 2025 with continuous learning capabilities

API Access

Developer-friendly API with comprehensive SDKs and documentation

Customizable

Fine-tuning support for specialized domain applications

Technical Specifications

200K
Context Window
150
Tokens/Second
2025
Knowledge Cutoff
95+
Languages
Comparison

How GPT-OSS-120B Compares

See how GPT-OSS-120B stacks up against other leading AI models in the market

GPT-OSS-120B

Best Choice
Model Size120B
Context Window200K tokens
Multimodal
Coding AbilityAdvanced
ReasoningState-of-art
Inference Speed150 tokens/s
Open Source
PricingFree
API AccessAvailable
Fine-tuning

GPT-4

Model Size1.7T
Context Window128K tokens
Multimodal
Coding AbilityAdvanced
ReasoningAdvanced
Inference Speed40 tokens/s
Open Source
Pricing$30/1M tokens
API AccessAvailable
Fine-tuning

Claude 3

Model SizeUnknown
Context Window200K tokens
Multimodal
Coding AbilityGood
ReasoningAdvanced
Inference Speed80 tokens/s
Open Source
Pricing$15/1M tokens
API AccessAvailable
Fine-tuning

Llama 3

Model Size70B
Context Window128K tokens
Multimodal
Coding AbilityGood
ReasoningGood
Inference Speed100 tokens/s
Open Source
PricingFree
API AccessSelf-host
Fine-tuning

Why Choose GPT-OSS-120B?

$0

Completely Free

No usage fees, no hidden costs. Open source and free forever.

Blazing Fast

150 tokens/second inference speed for real-time applications.

🔓

Full Control

Self-host, fine-tune, and customize for your specific needs.

FAQ

Frequently Asked Questions

Everything you need to know about GPT-OSS-120B

Still have questions?

Can't find the answer you're looking for? Our community is here to help!

Start Using GPT-OSS-120B Today

Experience the power of next-generation AI. Free, open-source, and ready to transform your projects.

100% FreeNo Sign-up RequiredInstant Access

Web Interface

Start chatting immediately with our web interface. No installation needed.

Open Web App

GitHub Repository

Access source code, contribute, and self-host the model.

View on GitHub

Documentation

Comprehensive guides, API references, and tutorials.

Read Docs

Quick Integration

Get started with just a few lines of code:

# Install the GPT-OSS client
pip install gpt-oss-120b

# Use the model
from gpt_oss import GPTModel

model = GPTModel("gpt-oss-120b")
response = model.generate("Explain quantum computing")
print(response)
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