AI Model Profile
Grok 4.3
Grok 4.3 is an xAI API model listed with agentic tool calling, configurable reasoning, and a 1M-token context window.
Verification & Sources
- Status
- Verified
- Source links
- 1
- Freshness
- Verified June 18, 2026
- Last verified
- June 18, 2026
- Last updated
- June 17, 2026
Key source checks
Suggest a correction
Benchmark Caveat
Provider documentation and provider-published capability notes are directional, not universal rankings. Real results depend on prompts, tools, latency targets, pricing tier, safety filters, context length, and workload mix.
Best for
Candidate for xAI API workflows that need agentic tool calling, reasoning controls, and long context.
Skip if
Skip if your team needs independently benchmarked performance claims or contractual guarantees not present in the official provider documentation.
Strengths
Official xAI docs list agentic tool calling, configurable reasoning, and 1M context.
Weaknesses
This profile does not independently validate hallucination rate, search behavior, or benchmark quality.
Agent suitability
Candidate for agentic workflows based on xAI's official model description.
Kingy AI take
Use this profile as a source-backed reference point, not a ranking. Re-check official provider docs before making production or budget decisions.
Full Model Notes
Grok 4.3 is an xAI API model listed with agentic tool calling, configurable reasoning, and a 1M-token context window.
Coding notes
Evaluate coding directly or compare with Grok Build for code-specific workflows.
Reasoning notes
Official docs list configurable reasoning.
Creative notes
Supports image input according to xAI docs, but this profile is not a media-generation profile.
Research notes
Use xAI search/tool docs and current model docs before relying on current-event behavior.
API pricing notes
$1.25 input MTok and $2.50 output MTok in xAI model docs as checked on 2026-06-18.
License notes
Review the official provider terms and model documentation before relying on license or redistribution assumptions.

