Grok 3 is xAI large language model with real-time access to X/Twitter data and an unfiltered response style. At $3/$15 per MTok, it offers strong reasoning capabilities and a distinctive personality. Grok 3 is available through the xAI API and integrated into X Premium subscriptions.
| Benchmark | Score |
|---|---|
| Arena Elo (LMArena) | 1398 |
| Context Window | 128K |
| Price (input/output) | $3/$15 |
Listed in the OpenRouter catalog in our daily snapshots since Jun 19, 2026 (31 snapshots). Per-MTok pricing has not been captured for this listing yet; this section fills in as priced snapshots accumulate.