xAI · releasedGrok 4.5

valid_from

2026-07-16

valid_to

null (still holds)

confidence

0.70

superseded_by

null

first seen

2026-10-28

last updated

2026-10-28

Sources

“Grok 4.5 is SpaceXSI's smartest model built for coding, agentic tasks, and knowledge work.”— what the source said

• Introducing Grok 4.5primary · x.ai

/claim/clm_1DB3AEDCEE7D.md/v1/claims/clm_1DB3AEDCEE7Dtimelinesubmit a correction