Grok 4.5

In LLM

SpaceXAI Grok LLM coding reasoning AI agent multimodal tool use long context knowledge work

SpaceXAI’s flagship model for coding, agentic workflows, advanced reasoning, and professional knowledge work.

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Advanced coding

Handles complex engineering tasks, debugging, refactoring, and end-to-end application development

Agentic workflows

Executes multi-step software engineering and professional tasks with external tools

500K token context

Processes large codebases, documents, and extended project histories

Configurable reasoning

Supports low, medium, and high reasoning effort

Multimodal input

Understands text, images, screenshots, diagrams, and visual interfaces

Fast generation

Delivers output at approximately 80 tokens per second

Token-efficient reasoning

Completes complex tasks using fewer output tokens and fewer execution steps

Function calling

Connects the model to custom tools, APIs, and external systems

Structured outputs

Produces reliable responses that follow predefined data structures

Web and X search

Retrieves current information from the web and the X platform

Code execution

Runs code during technical analysis and agentic workflows

Office workflows

Creates and edits complex Excel, PowerPoint, and Word documents

Build applications from natural-language requirements
Refactor and debug large software projects
Run autonomous and semi-autonomous coding agents
Perform repository-wide migrations and architectural changes
Create frontend interfaces and interactive applications
Analyze screenshots, diagrams, images, and technical documents
Conduct engineering, science, and mathematics research
Automate browser, API, and tool-based workflows
Generate structured JSON responses for production applications
Create Excel models with formulas and web research
Build PowerPoint presentations and professional Word documents
Complete complex knowledge-work and business analysis tasks

Available through the SpaceXAI API with usage-based pricing.

Standard API pricing per 1 million tokens:

Cached input: $0.30

Input: $2.00

Output: $6.00

Requests exceeding 200K context tokens may be charged using higher-context pricing.

Grok 4.5 is also available through Grok Build and Cursor. Limited free access may be offered through supported products and promotions.

Commercial usage is subject to SpaceXAI’s applicable API terms, service terms, and acceptable use policies.

Integration highlights

SpaceXAI API
Grok
Grok Build
Grok Build CLI
Cursor
OpenAI SDK
Responses API
Chat Completions API
Function Calling
Web Search
X Search
Code Execution
Remote MCP Tools
Microsoft Word
Microsoft PowerPoint
Microsoft Excel

Docs & Developer Links

API
DOCUMENTATION

Community Discussion

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Grok 4.5

Key Features⌄

Advanced coding

Agentic workflows

500K token context

Configurable reasoning

Multimodal input

Fast generation

Token-efficient reasoning

Function calling

Structured outputs

Web and X search

Code execution

Office workflows

Use Cases⌄

Pricing & Licensing⌄

Integrations & Tech Details⌄

Integration highlights

Docs & Developer Links

Community Discussion

Similar & Alternative Tools

Grok 4.5

Kimi K3

Claude Opus 4.8

Claude Fable 5