Grok 4.5 Description

Grok 4.5 is SpaceXAI’s smartest model, designed to excel at coding, agentic workflows, engineering tasks, and knowledge work. The model was trained on large-scale datasets covering coding, science, engineering, and math, with additional reinforcement learning focused on multi-step software engineering. It is built to perform well on real engineering workflows, including debugging, terminal-based tasks, complex code generation, Rust and C/C++ development, and app building from minimal prompts. Grok 4.5 is served at fast-model speeds while using fewer output tokens on comparable coding tasks, helping teams complete technical work more quickly and cost-effectively. The model is also available in Grok Build, where it can help create Excel models, PowerPoint presentations, Word documents, diagrams, business review decks, and research-supported productivity assets. Developers can access Grok 4.5 through the SpaceXAI API, Cursor, and Grok Build, with simple API key setup and support for direct integration into coding and automation workflows. Its pricing is positioned for high-intelligence work at scale, with per-million-token rates for both input and output usage. Grok 4.5 is also trained for agentic execution, allowing it to handle longer technical rollouts and multi-step problem solving more effectively. For developers, engineering teams, and knowledge workers, Grok 4.5 provides a powerful AI model for software creation, office automation, technical reasoning, and production-grade agent workflows.

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Pricing

Pricing Starts At:
$2 per million input tokens
Pricing Information:
$2 per million input tokens and $6 per million output tokens

Integrations

API:
Yes, Grok 4.5 has an API
View Integrations

Reviews - 1 Verified Review

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Company Details

Company:
SpaceXAI
Year Founded:
2023
Headquarters:
United States
Website:
grok.com

Media

Grok 4.5 Screenshot 1
Grok 4.5 Screenshot 1 Grok 4.5 Screenshot 2 Grok 4.5 Screenshot 3 Grok 4.5 Screenshot 4
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Product Details

Platforms
Web-Based
Types of Training
Training Docs
Customer Support
Online Support

Grok 4.5 Features and Options

Grok 4.5 User Reviews

Write a Review
  • Name: Anonymous (Verified)
    Job Title: Software Developer
    Length of product use: Less than 6 months
    Used How Often?: Daily
    Role: User
    Organization Size: 26 - 99
    Features
    Design
    Ease
    Pricing
    Support
    Likelihood to Recommend to Others
    1 2 3 4 5 6 7 8 9 10

    Really big step up for Grok AI models

    Date: Jul 09 2026

    Summary: Five stars from me. Grok 4.5 looks like a serious step forward for developers who are building AI agents, coding assistants, and automation-heavy workflows. The mix of coding strength, agentic focus, API availability, Cursor support, and lower-cost positioning makes it one of the more interesting models to build with right now.

    Positive: Grok 4.5 is really impressive from the perspective of a developer and AI agent builder. It feels built for the stuff I actually care about: coding, tool use, agentic workflows, debugging, refactoring, and getting real work done instead of just chatting. I especially like that it seems focused on speed and cost efficiency, because those two things matter a lot when you are running agents over and over in production-like workflows.

    Negative: It still feels early, and I would want to test it hard before trusting it as the backbone of serious production agents. Benchmarks and launch claims are useful, but they do not always translate perfectly into messy real-world codebases, weird edge cases, long-running tasks, and tool-heavy workflows. I also want to see how reliable it is across longer sessions, especially when an agent has to stay on track through multiple steps without drifting.

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