grok-4.5 API pricing
Blended at 3:1 input to output: $3.00 per million tokens.
OpenRouter charges $2.00 per million input tokens and $6.00 per million output tokens.
Against the models nearest in price
Blended at a 3:1 input to output ratio.
| Source | ||||||
|---|---|---|---|---|---|---|
| grok-4.5 This model | OpenRouter | $2.00 | $6.00 | 500,000 | $3.00 | ↗ |
| mistral-large-2407 | OpenRouter | $2.00 | $6.00 | 131,072 | $3.00 | ↗ |
| mistral-large-2411 | Mistral AI | $2.00 | $6.00 | 128,000 | $3.00 | ↗ |
| mistral-large | OpenRouter | $2.00 | $6.00 | 128,000 | $3.00 | ↗ |
| grok-4.6 | OpenRouter | $2.00 | $6.00 | 500,000 | $3.00 | ↗ |
| gemini-2.5-pro | Google AI | $1.25 | $10.00 | 1,048,576 | $3.44 | ↗ |
| gpt-5 | OpenAI | $1.25 | $10.00 | 272,000 | $3.44 | ↗ |
| gpt-5.1 | OpenAI | $1.25 | $10.00 | 272,000 | $3.44 | ↗ |
| gpt-5.1-chat-latest | OpenAI | $1.25 | $10.00 | 128,000 | $3.44 | ↗ |
Last checked . Methodology
Questions
How much does grok-4.5 cost per million tokens?
$2.00 per million input tokens and $6.00 per million output tokens, with cached input at $0.300. At a 3:1 input to output mix that blends to $3.00. Checked 12 Sept 2026.
What would grok-4.5 cost for a real workload?
A thousand requests a day at 2,000 input and 600 output tokens each comes to $228.00 a month.
What is the context window for grok-4.5?
500,000 tokens of input, with up to 500,000 tokens of output.
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