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Grok 4.5 — Model Tracker

Grok 4.5 in the Model Tracker: every value read on the maker's own pages, with its day.

Maker: xAI — docs.x.ai, read 2026-10-16
Released: 2026-07-08 — docs.x.ai, read 2026-10-16
Status: Generally available — docs.x.ai, read 2026-10-16
Retired: Not confirmed
Takes: Text, Image — docs.x.ai, read 2026-10-16
Returns: Text — docs.x.ai, read 2026-10-16
Open weights: Not confirmed: The maker's consulted pages do not state whether Grok 4.5 weights are open or downloadable.
Licence: Not confirmed: The maker's consulted pages do not name a licence for Grok 4.5.
Context window: 500,000 tokens — docs.x.ai, read 2026-10-16
Longest answer: Not confirmed: The maker's consulted pages do not state a maximum output length.
Knowledge cutoff: Not confirmed: The maker's consulted pages do not state Grok 4.5's knowledge cutoff.
API price, input: USD 2 per 1M tokens — docs.x.ai, read 2026-10-16
API price, output: USD 6 per 1M tokens — docs.x.ai, read 2026-10-16
Where: Not confirmed: two readings disagree: ["api"] and ["api","app"]
Parameters: Not confirmed: The maker's consulted pages do not publish a parameter count for Grok 4.5.
Model card: Not confirmed: The consulted model overview is not identified as a model card or system card, and the maker's consulted pages provide no such card.

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