| Output $/MTok | $6.00 | $30.00 |
|---|---|---|
| Input $/MTok | $2.00 | $5.00 |
| Cached input $/MTok | $0.3000 | $0.5000 |
| Context window | 500,000 | 1,050,000 |
| Output cap | 500,000 | 128,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Family | Grok 4 | GPT-5.5 |
| Knowledge cutoff | 2026-02-01 | 2025-12-01 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/min | $0.003300 | $0.012500 |
|---|---|---|
| $/min batch | — | $0.010170 |
| Streaming | — | ✓ |
| Realtime | — | ✓ |
| Languages | en | 100+ |
| Diarization | included | included |
| TTFW | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/1M chars | $30.00 | $4.00 |
|---|---|---|
| Voice quality | neural | neural |
| Voice cloning | — | — |
| Voice count | 94 | — |
| Languages | en | 40+ |
| SSML support | — | ✓ |
| TTFB | 37ms | — |
| Output formats | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |