Ox Alpha is a stealth reasoning model available through OpenRouter designed for coding, sustained agentic work, complex reasoning, and production workloads. It accepts text, image, and video inputs and returns text. Its anonymous provider has not publicly confirmed the model architecture, training data, parameter count, or final identity.

OpenRouter currently lists Ox Alpha at $0 per million input and output tokens during its preview. This is current preview pricing, not a guarantee that the model will remain free. Availability and pricing may change without notice.

What is the Ox Alpha context window?

OpenRouter lists a 1,048,576-token context window and up to 131,072 output tokens for Ox Alpha. A large window can hold substantial repositories or documents, but usable capacity, latency, cost, and answer quality depend on the request.

Does Ox Alpha support images and video?

Yes. The current catalog entry lists text, image, and video as Ox Alpha input modalities, with text as the output modality. Multimodal support does not guarantee equal performance across every file type or task.

Does Ox Alpha support tool calling?

Yes. OpenRouter currently lists tools, tool_choice, response_format, and structured_outputs among the supported Ox Alpha parameters. Your application remains responsible for validating arguments, enforcing permissions, executing tools safely, handling failures, and returning results to the model.

Fact sheet · Developer Tools

Ox Alpha

Free stealth reasoning model for coding, agentic work, and multimodal workflows available through OpenRouter

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Ox Alpha specifications

Specifications of Ox Alpha
Section	Developer Tools
Website	oxalpha.online
Votes²	0

Ox Alpha metrics

Fact file for oxalpha.online: Ahrefs Domain Rating and Majestic link facts, each with the change since the last fact check.
Metric	Value
Domain Rating	0 −1 (down) since last check
Trust Flow	0 no change since last check
Citation Flow	17 no change since last check
Referring domains	11 no change since last check
External backlinks	36 no change since last check

Fact: Ahrefs Domain Rating checked 17 Oct 2026, fact changed 15 Oct 2026. Fact: Majestic checked 10 Oct 2026, fact changed 10 Oct 2026. Link facts from Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.

Ox Alpha domain fact sheet

Read from the public RDAP record on 16 Oct 2026, 14:19 UTC.
Domain age	1 month
Registered	21 Aug 2026
Expires	21 Aug 2027
Registrar	Porkbun LLC
DNSSEC	Not signed

Every domain fact for oxalpha.online

Ox Alpha is a stealth reasoning model with 1M token context window, supporting text, image and video inputs for coding tasks, complex reasoning, and production

Overview

Screenshot of the Ox Alpha homepage — What oxalpha.online looks like

Ox Alpha is a stealth reasoning model accessed through OpenRouter for coding, agentic work, complex reasoning, and production workloads. It features a 1,048,576-token context window with up to 131,072 output tokens, supporting text, image, and video inputs. The model includes tool calling, structured output generation, and configurable reasoning efforts (low, high, and max). Its anonymous provider has not publicly confirmed the model architecture, training data, parameter count, or final identity. The model is currently available during a time-limited preview.

Feature facts

1,048,576-token context window
Multimodal inputs: text, image, and video
Tool calling and structured outputs
Configurable reasoning efforts: low, high, and max
OpenAI-compatible API endpoint
Supported through OpenRouter model ID stealth/ox-alpha
131,072 output tokens maximum

Pricing

Pricing model: Free

$0 per million input tokens, $0 per million output tokens during preview; TryOXAlpha hosted chat offers 5 free guest replies, 15 additional replies after account creation, and 100 AI replies for $4.99 one-time purchase

See Ox Alpha's full pricing (opens in a new tab)

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Frequently looked up

Q1What is Ox Alpha?: Ox Alpha is a stealth reasoning model available through OpenRouter designed for coding, sustained agentic work, complex reasoning, and production workloads. It accepts text, image, and video inputs and returns text. Its anonymous provider has not publicly confirmed the model architecture, training data, parameter count, or final identity.
Q2Is Ox Alpha free?: OpenRouter currently lists Ox Alpha at $0 per million input and output tokens during its preview. This is current preview pricing, not a guarantee that the model will remain free. Availability and pricing may change without notice.
Q3What is the Ox Alpha context window?: OpenRouter lists a 1,048,576-token context window and up to 131,072 output tokens for Ox Alpha. A large window can hold substantial repositories or documents, but usable capacity, latency, cost, and answer quality depend on the request.
Q4Does Ox Alpha support images and video?: Yes. The current catalog entry lists text, image, and video as Ox Alpha input modalities, with text as the output modality. Multimodal support does not guarantee equal performance across every file type or task.
Q5Does Ox Alpha support tool calling?: Yes. OpenRouter currently lists tools, tool_choice, response_format, and structured_outputs among the supported Ox Alpha parameters. Your application remains responsible for validating arguments, enforcing permissions, executing tools safely, handling failures, and returning results to the model.

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