| Output $/MTok | $2.50 | $10.00 |
|---|---|---|
| Input $/MTok | $1.25 | $2.50 |
| Cached input $/MTok | $0.2000 | $1.2500 |
| Context window | 1,000,000 | 128,000 |
| Output cap | 1,000,000 | 16,384 |
| Modalities | in: text, image / out: text | in: text, image / out: text |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Family | Grok 4 | GPT-4o |
| Knowledge cutoff | — | 2023-10-01 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/min | $0.005000 |
|---|---|
| $/min batch | — |
| Streaming | ✓ |
| Realtime | ✓ |
| Languages | 99+ |
| Diarization | extra-cost |
| TTFW | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |
| $/1M chars | $19.50 | $30.00 | $50.00 |
|---|---|---|---|
| Voice quality | neural | neural | neural |
| Voice cloning | — | — | ✓ included |
| Voice count | — | 94 | — |
| Languages | en, hi, mr, ta, ml, te, kn, pa, bn, or, gu, ar, zh, id, ja, ko, ms, tr, vi, de, es, fr, it, pt, ru, el, fi, no, pl | en | 31+ |
| SSML support | — | — | — |
| TTFB | 200ms | 37ms | — |
| Output formats | pcm, mp3, wav, ulaw, alaw | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |