| Output $/MTok | $0.40 | $2.50 |
|---|---|---|
| Input $/MTok | $0.05 | $1.25 |
| Cached input $/MTok | $0.0050 | $0.2000 |
| Context window | 400,000 | 1,000,000 |
| Output cap | 128,000 | 1,000,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Family | GPT-5 | Grok 4 |
| Knowledge cutoff | 2024-05-31 | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/min | $0.002150 |
|---|---|
| $/min batch | — |
| Streaming | ✓ |
| Realtime | ✓ |
| Languages | 56+ |
| Diarization | included |
| TTFW | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |
| $/1M chars | — | $50.00 | $50.00 |
|---|---|---|---|
| Voice quality | neural | neural | neural |
| Voice cloning | ✓ included | ✓ included | ✓ included |
| Voice count | — | — | — |
| Languages | en | 31+ | en, fr, de, es, pt, zh, ja, hi, ko |
| SSML support | — | — | — |
| TTFB | — | — | 40ms |
| Output formats | — | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |