| Output $/MTok | $2.50 | $6.00 | $60.00 | $10.00 | $10.00 |
|---|---|---|---|---|---|
| Input $/MTok | $1.25 | $2.00 | $15.00 | $2.50 | $1.25 |
| Cached input $/MTok | $0.2000 | $0.3000 | $7.5000 | $1.2500 | $0.1250 |
| Context window | 1,000,000 | 500,000 | 200,000 | 128,000 | 400,000 |
| Output cap | 1,000,000 | 500,000 | 100,000 | 16,384 | 128,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text | in: text, image / out: text | in: text, image / out: text | in: text, image / out: text |
| Tool use | ✓ | ✓ | ✓ | ✓ | ✓ |
| Structured output | ✓ | ✓ | ✓ | ✓ | ✓ |
| Family | Grok 4 | Grok 4 | o-series | GPT-4o | GPT-5 |
| Knowledge cutoff | — | 2026-02-01 | 2023-10-01 | 2023-10-01 | 2024-09-30 |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | — |
|---|---|
| Voice quality | neural |
| Voice cloning | ✓ included |
| Voice count | — |
| Languages | en |
| SSML support | — |
| TTFB | — |
| Output formats | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |