Thinking Machines Lab's smaller, more efficient open-weight multimodal model, with 12B active parameters out of 276B total.
Fast agentic model with 2M context window and tool calling.
No shared demos for these models yet.
No captured outputs for these models yet.
This model hasn't been benchmarked yet.
Both Inkling Small and Grok 4.1 Fast are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Grok 4.1 Fast has a larger context window: Inkling Small supports 524K tokens vs Grok 4.1 Fast at 2M tokens.
Yes, both Inkling Small and Grok 4.1 Fast support vision/image input.
Key differences: only Inkling Small offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Inkling Small and Grok 4.1 Fast for free on idapt.app to see which performs better for your specific needs.