| Output $/MTok | $1.00 | $6.00 |
|---|---|---|
| Input $/MTok | $1.00 | $2.00 |
| Cached input $/MTok | — | $0.3000 |
| Context window | 128,000 | 500,000 |
| Output cap | 8,000 | 500,000 |
| Modalities | in: text / out: text | in: text, image / out: text |
| Tool use | — | ✓ |
| Structured output | ✓ | ✓ |
| Family | Sonar | Grok 4 |
| Knowledge cutoff | — | 2026-02-01 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/1M chars | $50.00 | $50.00 | $30.00 | — |
|---|---|---|---|---|
| Voice quality | neural | neural | neural | neural |
| Voice cloning | ✓ included | ✓ included | — | ✓ included |
| Voice count | — | — | — | — |
| Languages | en, fr, de, es, pt, zh, ja, hi, ko | 42+ | en, es, de, fr, nl, it, ja | en |
| SSML support | — | ✓ | — | — |
| TTFB | 40ms | 90ms | — | — |
| Output formats | — | raw/pcm_f32le, raw/pcm_s16le, raw/pcm_mulaw, raw/pcm_alaw, wav, mp3 | wav, mp3, linear16, mulaw, alaw, opus | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ |