| Output $/MTok | $60.00 | $2.50 | $1.00 |
|---|---|---|---|
| Input $/MTok | $15.00 | $1.25 | $1.00 |
| Cached input $/MTok | $7.5000 | $0.2000 | — |
| Context window | 200,000 | 1,000,000 | 128,000 |
| Output cap | 100,000 | 1,000,000 | 8,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text | in: text / out: text |
| Tool use | ✓ | ✓ | — |
| Structured output | ✓ | ✓ | ✓ |
| Family | o-series | Grok 4 | Sonar |
| Knowledge cutoff | 2023-10-01 | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | $50.00 | $35.00 | $30.00 |
|---|---|---|---|
| Voice quality | neural | neural | neural |
| Voice cloning | ✓ included | ✓ included | — |
| Voice count | — | — | 94 |
| Languages | en, fr, de, es, pt, zh, ja, hi, ko | en, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, ar | en |
| SSML support | — | — | — |
| TTFB | 40ms | — | 37ms |
| Output formats | — | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |