Grok 4.5
Grok 4.5 is an AI model developed by SpaceXAI designed for complex coding, STEM research, and general knowledge tasks. It features a large context window and supports both text and image inputs to assist with advanced reasoning and tool-based workflows.
Grok 4.5 specs and pricing
- Provider: SpaceXAI
- Released: July 8, 2026
- Context window: 500K tokens
- Max output: 450K tokens
- Input: text, images, files
- Output: text
- Price: $2.00 input / $6.00 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What Grok 4.5 is good at
- Complex software development and debugging
- Analyzing technical documents and STEM research
- Reasoning-heavy data interpretation tasks
To-dos to try with Grok 4.5
- Upload a technical manual as a file and ask the model to summarize the troubleshooting steps for a specific error code.
- Paste a complex coding script and request a step-by-step reasoning breakdown of why a specific function is failing.
- Provide an image of a handwritten math problem and ask the model to solve it while explaining the logical steps taken.
FAQ
- What is the primary focus of Grok 4.5? Grok 4.5 is built to provide frontier performance in coding, STEM-related subjects, and professional knowledge work.
- Can this model process files and images? Yes, the model accepts both text, image, and file inputs to support a variety of analytical tasks.
- How much does Grok 4.5 cost? Grok 4.5 costs $2.00 per million input tokens and $6.00 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 6.44 credits ($1 = 100 credits).
- What is the context window of Grok 4.5? Grok 4.5 can read up to 500K tokens at once and write up to 450K tokens in one reply.
- Can I use Grok 4.5 without coding? Yes. In todo.is you pick Grok 4.5 as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.