Ox Alpha

Frontier reasoning model for long-horizon coding and large-context analysis

Coding & Development AI Models & APIsFreemium

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About Ox Alpha

Ox Alpha is a reasoning-first model designed for code, long-horizon agents, and extended context windows. It plans and verifies its work before delivering answers, making it suitable for complex tasks like debugging, systems design, and mathematical proofs. The model supports up to 1,048,576 tokens of context, allowing entire codebases, lengthy documents, or multi-day transcripts to be processed without chunking or retrieval. It accepts text, images, and video as input and can generate structured outputs such as JSON. Ox Alpha is optimized for production-grade workloads, including multi-step agentic tasks, tool calling, and sustained reasoning across long sequences. The model is accessible via a no-signup web interface where conversations are not stored on servers. Performance benchmarks indicate strong results on real-world coding tasks compared to other frontier models.

Key features

1M token context window
Multi-modal input (text, image, video)
Visible reasoning stream before final answer
Tool calling and structured output support
Long-horizon coding and agentic workflows
Production-grade output tuned for real workloads
Response streaming in real time
Schema-shaped responses via response_format

Use cases

Debugging and refactoring large codebases
Analyzing entire documents or code repositories in one prompt
Designing multi-step agent workflows with tool integration

Pros

Reasoning-first approach with visible step-by-step thinking
Supports 1M tokens of context without chunking or retrieval
Handles text, images, and video as input modalities
Native tool calling and structured output support
No sign-up required and chats not stored on servers

Cons

No API access mentioned
Web interface only, no desktop or mobile app
Limited to English-language inputs and outputs

Frequently asked questions about Ox Alpha

What is Ox Alpha?

Ox Alpha is a frontier reasoning model with a 1 million token context window, designed for coding, sustained agentic work, and production workloads. It plans its responses step by step before delivering answers and streams reasoning in real time.

What is oxalpha.com?

oxalpha.com is a free, no-login chat interface for the Ox Alpha model. Users can start chatting immediately in their browser without creating an account or providing payment details.

Is Ox Alpha really free to use?

Yes, using Ox Alpha via the oxalpha.com chat interface is completely free with no hidden fees, credit card requirements, or subscription needed. Conversations are not stored on servers.

How large is Ox Alpha's context window?

Ox Alpha supports up to 1,048,576 tokens of context, allowing entire codebases, lengthy documents, or multi-day transcripts to be processed without chunking or retrieval.

What types of input does Ox Alpha accept?

Ox Alpha accepts text, images, and video as input, enabling reasoning over screenshots, diagrams, UI elements, and other visual content alongside text.

Can Ox Alpha generate structured outputs like JSON?

Yes, Ox Alpha can generate structured outputs such as JSON using the response_format parameter, producing schema-shaped responses for tasks requiring structured data.