| Output $/MTok | $60.00 | $4.40 | $30.00 | $15.00 |
|---|---|---|---|---|
| Input $/MTok | $15.00 | $1.10 | $5.00 | $3.00 |
| Cached input $/MTok | $7.5000 | $0.2750 | $0.5000 | $0.7500 |
| Context window | 200,000 | 200,000 | 1,050,000 | 256,000 |
| Output cap | 100,000 | 100,000 | 128,000 | 256,000 |
| Modalities | 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 | o-series | o-series | GPT-5.6 | Grok 4 |
| Knowledge cutoff | 2023-10-01 | 2024-06-01 | 2026-02-16 | 2024-11-30 |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | $50.00 | $30.00 |
|---|---|---|
| Voice quality | neural | neural |
| Voice cloning | ✓ included | — |
| Voice count | — | 94 |
| Languages | 31+ | en |
| SSML support | — | — |
| TTFB | — | 37ms |
| Output formats | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |