BREAKING
xAI Launches Grok 4.5
Available Across xAI Tools
1
Grok Build
↓
2
Cursor
↓
3
xAI API
↓
4
EU later
Grok 4.5 vs Rivals on SWE
Grok 4.5 DeepSWE
62
Fable max
66.1
GPT-5.5 xHigh
64.31
0
tok/s
throughput
0
x
fewer tokens
0
$/M
output price
The Agent Arena Test
Claude Fable 5
1st
●
Leads Agent Arena
●
Tool-using tasks
Grok models
22nd-29th
●
Grok 4.3 High 22nd
●
4.5 score tallying
Can Grok 4.5 Break Through
AI NEWS BLITZ
On July 8, 2026, xAI released Grok 4.5, its first model built for coding and agents.