Alex Getmanearly AI signals
EN
UpdatedxAIgrok-4.5

Grok 4.5: API availability

Supported · 7 evidence linksFirst seen Updated Recorded automatically by Signal Forge

Grok 4.5: API availability. First seen 11 Sep 2026 Catalogues list a 500,000 tokens context window. 7 evidence links.

Facts as of

Context window
500,000
Input · USD / 1M tokens
$2.00 (Input ≤ 199,999 tokens); $4.00 (Input > 199,999 tokens)
Output · USD / 1M tokens
$6.00 (Input ≤ 199,999 tokens); $12.00 (Input > 199,999 tokens)
Input
image · text
Output
text
Cached input · USD / 1M tokens
$0.30 (Input ≤ 199,999 tokens); $0.60 (Input > 199,999 tokens)

Alex's take

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Evidence links 7

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