Speculative entry — all details are based on community hints, no guaranteed date, no confirmed specs.

⚠ Speculative

Grok 4.5

xAI🇺🇸 US
reasoningmultimodal
– API– OpenRouter

Next xAI iteration after Grok 4.3 (May 2026). xAI iterates fast — Grok 4.5 or Grok Build 1.0 are realistic next steps before a possible Grok 5.

At a glance

Input
text, image, code

Speculation details

Konfidenz
3/5
BuzzMedium buzz
WindowQ3 2026
CheckedJune 21, 2026

Sources

blog
Link ↗

Elon Musk hat schnellen Release-Rhythmus angedeutet; Grok 4.3 war Mai 2026

Specifications

Status
Rumor
Expected
Q3 2026
Lab
xAI
Origin
US
Type
reasoning, multimodal
Open weights
License
proprietary
Input
text, image, code
Output
text, code

Availability

Direct API access
OpenRouter
Open weights