The linked official xAI catalog lists the exact model ID grok-4.3 as currently available; account, region, product, and endpoint access can still vary.
OpenGPT catalog guidance
Best for
General.
Research.
Analysis.
Day-to-day production work that needs a practical quality and efficiency trade-off.
Strengths
Tool calling.
Reasoning.
Research workflows.
The balanced role targets a practical middle ground between capability and operating efficiency.
Weaknesses
Cloud processing.
Search must be enabled for current information.
General availability does not guarantee identical capabilities across every product, account, or endpoint.
Verify exact capabilities, pricing, latency, context limits, tools, and regional availability with the provider.
These points are OpenGPT decision guidance derived from provider-confirmed family, catalog role, and lifecycle information. They are not measured results for this exact version. Verify capabilities, pricing, latency, context limits, tools, and regional availability with the provider.
Published ranking signals · 2 · User preference · Cost per successful task
Model family
Family-level guidance
The following summary describes the broader model family from official positioning. It is not a measured result for this exact version.
G4
Model family: Grok
Grok
xAI's proprietary family for reasoning, tool use, multimodal input, and live-data workflows.
Use current information or toolsEveryday workSolve problems or codeWork with images or audio
Managed models include tool and real-time information paths. Provides general, reasoning, coding, and multimodal variants.
!
Family limitations
Closed weights and provider-controlled data/tool access. Observed quality depends on the exact model and enabled tools.
Verify the exact version before choosing: capabilities, price, context limits, latency, tools, and regional availability can differ by provider access path.
Published ranking signals
Curated comparisons
Stable comparison pages that preserve exact model IDs, source scales, missing data, and evidence dates.
1
Provider documentation and OpenGPT catalog classification are labeled separately.
Version differences
Compare two catalog model IDs from one model family. Provider IDs, sources and published ranking signals are shown; OpenGPT catalog classification is labeled separately.
Grok 4.3 / Grok 4.5
Version differences
Grok 4.3
Grok 4.5
Official model ID
grok-4.3
grok-4.5
Directory status
General availability
General availability
OpenGPT catalog role
Balanced
Flagship
Current public ranking signals
User preference 77 · 1441 · Cost per success 7 · $0.0614
OpenGPTAI decision intelligence