xAI

Grok 4

Full Grok 4 — 256k context, 2M with reasoning, distinct voice.

ReasoningLong context

Grok 4 is not currently offered on Token Harbor.

Looking for something comparable? Grok 4.5 is live on our catalog — same family, currently served and priced.

Browse live models →

Ratings & benchmarks

Snapshot 2026-04-28

Overall

4.4 / 5

Composite of intelligence + reliability.

Output speed

70 t/s

Output tokens per second under typical load.

Time to first token

1.5 s

Lower is better. Reasoning models naturally stretch this.

Value

3.7 / 5

Intelligence per dollar at typical mix.

Context window

256,000 tokens