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SpaceXAI: Grok 4.5

x-ai/grok-4.5

SpaceXAI: Grok 4.5 (x-ai/grok-4.5) costs $2 per 1M prompt tokens and $6 per 1M completion tokens, has a 500,000-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.

Prompt price
$2 / 1M tokens
Completion price
$6 / 1M tokens
Context
500,000 tokens
Input modalities
text, image, file
Output modalities
text
Tokenizer
Grok
Instruct type
—
Knowledge cutoff
—
Hugging Face
—

Last price change: 2026-07-09

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

Price history

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