POSTopenai
/v1/chat/completionsGrok 4.5
Published by TokenHub Last updated July 23, 2026
grok-4.5Grok 4.5 is xAI's reasoning model designed for programming, agent tasks, and knowledge work. It supports text and image input, up to 500k token context, and configurable low/medium/high reasoning intensity. Features include function calling, web and X search, code execution, and structured output, making it suitable for long-context analysis, multi-step tool usage, and end-to-end engineering workflows. It should not be seen merely as a chatbot tied to the X platform.
Total Context
500Ktokens
Max Output
500Ktokens
Released
Jul 8, 2026
Modalities
Grok 4.5 Price
| Token Tier | Input Price | Output Price | Cache Read |
|---|---|---|---|
| <=200K | $2/M | $6/M | $0.3/M |
| >200K | $4/M | $12/M | $0.6/M |
How do I use Grok 4.5 through the API?
POSTanthropic
/v1/messagesGrok 4.5 Benchmark
Grok 4.5 (high)
53.8
/100
Artificial Analysis Intelligence Index
Artificial Analysis broad capability aggregate
Index score
72.4
/100
Artificial Analysis Coding Index
Artificial Analysis software task aggregate
Index score
Knowledge & Reasoning
GPQA
Advanced science problem solving
93.1%
HLE
Broad expert-level exam set
40.3%
Coding & Engineering
SciCode
Scientific coding challenges
54.1%
Instruction Following & Agent Tasks
AA-LCR
Long-context reasoning
67.7%
Metrics sourced from Artificial Analysis
Grok 4.5 FAQs
Common questions about using Grok 4.5 on TokenHub.
What is Grok 4.5?+
Grok 4.5 is a frontier AI model designed for coding, agentic tasks, and knowledge work.
What is Grok 4.5 best for?+
It is well suited to software engineering, multi-step tool workflows, code review, debugging, and technical analysis.
What are Grok 4.5’s strengths?+
Its documented strengths include coding, agentic reasoning, configurable reasoning effort, and support for tools such as function calling and code execution.
What tradeoffs should I consider?+
Model outputs can still be incorrect, especially in long or high-impact workflows. Test prompts on your own tasks, review important code, and compare latency and cost with alternatives.
How do I use Grok 4.5 on TokenHub?+
Select grok-4.5 as the model in a TokenHub API request, then use the endpoint, authentication, and request format shown in your TokenHub account documentation.
What does Grok 4.5 cost, and how should I choose it?+
The provider documents pricing of $2 per million input tokens and $6 per million output tokens; TokenHub availability and billing may differ. Choose it when coding or tool-driven work is the priority, and validate it against your workload before broad deployment.
Grok 4.5 Media and Discussions
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