What is the context length of Sherlock Think Alpha?

Sherlock Think Alpha has a 1,840,000 token context window.

What inputs and outputs does Sherlock Think Alpha support?

Sherlock Think Alpha accepts text and images as input and returns text.

When was Sherlock Think Alpha released?

Sherlock Think Alpha was released on November 15, 2025.

This model was an early snapshot of Grok 4.1 Fast with reasoning enabled. Try the official launch of Grok 4.1 Fast here

All prompts and completions for this model are logged by the provider and may be used to improve the model.

Sherlock Think Alpha

openrouter/sherlock-think-alpha

This model was an early snapshot of Grok 4.1 Fast with reasoning enabled. Try the official launch of Grok 4.1 Fast here

This is a cloaked model provided to the community to gather feedback. A frontier reasoning model that excels at tool calling, with a 1.8M context window and multimodal support.

Note: All prompts and completions for this model are logged by the provider and may be used to improve the model.

Modalities

Context

1.8M

Released

Nov 15, 2025

Not currently available through EU in-region routing. In-region routing docs

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Sherlock Think Alpha

Activity

Frequently asked questions

What is Sherlock Think Alpha?

What is the context length of Sherlock Think Alpha?

What inputs and outputs does Sherlock Think Alpha support?

When was Sherlock Think Alpha released?

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