Grok 4.6 was released by xAI on August 12, 2026, as a flagship model in the Grok line.
Builds on Grok 4.5 with a longer extra training run; adds an xhigh reasoning-effort level, and cached input now costs $0.50 per million tokens, up from $0.30.
Compared with Grok 4.5 · the model it replaces
Solves about 2 in 3 real-world software tasks
DeepSWE v1.1 — fixing real bugs in open-source code
65.9%
▲ up from 54.0% · +11.9 points
Scores 5 points higher on the all-round intelligence index
Artificial Analysis Intelligence Index v4.3.2 — one score averaging 10 hard tests
44
▲ up from 39 · +5 points
Costs the same as the model it replaces
API price per 1M tokens — input / output
$2 / $6
same as Grok 4.5
Every Monday, only when something shipped: the AI models that came out, what each one changed, and which lines are due next.
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Grok 4.7 is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Latest: Grok 4.7 · Sep 21, 2026
“Grok 4.8, which is a 2.5T model trained with our new C++ software stack, will finish training this week and start RL” — xAI, Sep 14, 2026 · Elon Musk on X
What changed in Grok 4.7 →Newest first. See the full line with every card →