| Output $/MTok | $1.50 | $1.00 |
|---|---|---|
| Input $/MTok | $0.20 | $1.00 |
| Cached input $/MTok | $0.0200 | — |
| Context window | 256,000 | 128,000 |
| Output cap | 256,000 | 8,000 |
| Modalities | in: text / out: text | in: text / out: text |
| Tool use | ✓ | — |
| Structured output | ✓ | ✓ |
| Family | Grok Code | Sonar |
| Knowledge cutoff | — | — |
| Verified | 2026-05-19 | 2026-05-19 |
| Source | provider page ↗ | provider page ↗ |
| $/1M chars | $50.00 | $30.00 | $160.00 |
|---|---|---|---|
| Voice quality | neural | neural | neural |
| Voice cloning | ✓ included | — | — |
| Voice count | — | 94 | — |
| Languages | 31+ | en | 40+ |
| SSML support | — | — | ✓ |
| TTFB | — | 100ms | — |
| Output formats | — | — | — |
| Verified | 2026-05-19 | 2026-05-19 | 2026-05-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |