External government databases and news feeds
AI Models & Assistants / Knowledge library
grok-4.20-0309-reasoning
Grok API model for text and coding workflows. Search tools must be enabled for current web information.
Why learn grok-4.20-0309-reasoning?
Offers the documented xAI model capabilities through hosted.
The problem it solves
Provides model inference for supported documented inputs.
Where it came from
grok-4.20-0309-reasoning: Grok API model for text and coding workflows. Search tools must be enabled for current web information. Published aliases: grok-4.20-0309-reasoning. Input: consult source. Output: consult source. Checked 2026-10-13. Model capabilities are distinct from tools available in a particular agent.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Explain what grok-4.20-0309-reasoning does.
- Identify a use case for grok-4.20-0309-reasoning.
- Describe a limitation of grok-4.20-0309-reasoning.
- Name a compatible tool for grok-4.20-0309-reasoning.
- Compare grok-4.20-0309-reasoning against an alternative.
Documentation and sources
- Primary source / model card (docs.x.ai)
Catalog research notes
- See the AI Workbench for source dates, pricing evidence and configuration details.
Connect the ideas
Built on
Real World Example
Automated Regulatory Compliance Monitoring
Global financial institutions operating across multiple jurisdictions.
The business problem
Compliance teams struggle to manually track rapidly shifting international financial regulations, leading to potential oversight and delayed policy updates.
How this topic solves it
By deploying the grok-4.20-0309-reasoning model with enabled search tools, institutions can automate the retrieval and synthesis of real-time regulatory updates from global government databases and news feeds. The model utilizes its reasoning capabilities to map new regulatory requirements against existing internal policy documents, identifying specific gaps that require immediate legal review.
- Configure the API request to include the server-side search tool to access current regulatory data.
- Ingest internal policy documentation into the model context window as a reference set.
- Submit a structured prompt requiring the model to compare retrieved regulatory changes against the provided internal policies.
- Generate a summary report highlighting specific policy sections that require modification to maintain compliance.
This diagram illustrates how the model integrates external data with internal policies to produce compliance reports.
Reasoning model with search tools enabled
Company-specific compliance documentation
Actionable summary for legal review
- Regulatory Source → Real-time data retrieval → Grok-4.20-0309
- Internal Policy → Contextual reference → Grok-4.20-0309
- Grok-4.20-0309 → Synthesis and gap analysis → Compliance Report
Expected business outcome
A significant reduction in the time required to identify and document necessary policy changes, ensuring that compliance teams focus on high-level legal interpretation rather than manual data gathering.
Limitations and checks
The model may experience hallucination when interpreting highly complex, contradictory legal texts; users must verify the model's reasoning outputs against primary source documents to ensure accuracy.