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.
Recent activity on Sherlock Think Alpha
Total usage per day on OpenRouter
Prompt
9K
Reasoning
791
Completion
761
Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.