Grok 4.3
An xAI reasoning model for structured analysis, tool use, and text or image tasks.
Grok · Available through Aether
Overview
Grok 4.3 adds a different model family to Aether's selection, with a focus on reasoning, structured responses, and tool-oriented work.
Aether's catalog reflects the model identifier currently wired into the product; provider catalogs can evolve, so the availability label is intentionally specific.
+Pros
- Reasoning-oriented responses
- Useful structured-output support
- Adds provider diversity for Auto Router
-Cons
- Provider availability can change as the Grok catalog evolves
- Simple extraction rarely needs a reasoning-focused model
Best suited to
Reasoning and analysis
Structured outputs
Tool-assisted requests
Text and image questions
Aether Workspace Position
Available through Aether under the x-ai/grok-4.3 model identifier.
Aether can choose Grok 4.3 for reasoning, structured-output, multimodal, and tool-use requests when it fits the task.
