Model Details
Released
Jul 8, 2026
Context Length
500,000
Max Output
128,000
Where is Grok-4.5 a perfect fit?
Grok 4.5 is xAI's flagship production model, designed for coding, agentic workflows, and professional knowledge work. xAI emphasizes high token efficiency, configurable reasoning, and strong performance across engineering and enterprise tasks.
- Repository-scale software engineering and debugging
- Complex coding, code review, and architecture design
- Multi-step autonomous agents with tool use
- Professional research and knowledge-work automation
- Long-context document and codebase analysis
- Function-calling and workflow orchestration
- Enterprise assistants requiring configurable reasoning
- Applications balancing frontier performance with competitive API costs
- Repository-scale software engineering and debugging
- Complex coding, code review, and architecture design
- Multi-step autonomous agents with tool use
- Professional research and knowledge-work automation
- Long-context document and codebase analysis
- Function-calling and workflow orchestration
- Enterprise assistants requiring configurable reasoning
- Applications balancing frontier performance with competitive API costs
Quick Model Estimate
Your Grok-4.5 Cost Estimate
💰 Total Cost
—
for 1000 input + 1000 output tokens
📥 Input (1000 × $2.000000)
—
📤 Output (1000 × $6.000000)
—
Cost Breakdown
📥 Input
📤 Output
Prices are watched for changes and checked against the provider's own page.
Pricing
|
Provider
↕
|
Modality
↕
|
Service Tier
↕
|
Input Price
(per 1M tokens) ↕ |
Output Price
(per 1M tokens) ↕ |
Cached Input
(per 1M tokens) ↕ |
Context Size
↕
|
View
|
|---|---|---|---|---|---|---|---|
 Perplexity | Text | Standard | $2.0000 | $6.0000 | $0.3000 | Up to 200,000 tokens | → |
| Perplexity | Text | Standard | $4.0000 | $12.0000 | $0.6000 | 200,000+ tokens | → |
FAQs about Grok-4.5
How much does Grok-4.5 cost per 1M tokens?
Grok-4.5 costs between $2.00 and $4.00 per million input tokens, and between $6.00 and $12.00 per million output tokens.
What does a typical workload cost with Grok-4.5?
1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $7.00 with Grok-4.5 at its lowest rates. Use the calculator on this page for your own volumes.
Where can I use Grok-4.5?
Grok-4.5 is available through Perplexity, from $2.00 per million input tokens.
What is Grok-4.5's context window?
Grok-4.5 has a context window of 500,000 tokens, and returns up to 128,000 tokens in a single response.