| Output $/MTok | $0.60 | $8.00 | $2.00 |
|---|---|---|---|
| Input $/MTok | $0.15 | $2.00 | $0.25 |
| Cached input $/MTok | $0.0750 | $0.5000 | $0.0250 |
| Context window | 128,000 | 200,000 | 400,000 |
| Output cap | 16,384 | 100,000 | 128,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text | in: text, image / out: text |
| Tool use | ✓ | ✓ | ✓ |
| Structured output | ✓ | ✓ | ✓ |
| Family | GPT-4o | o-series | GPT-5 |
| Knowledge cutoff | 2023-10-01 | 2024-06-01 | 2024-05-31 |
| Verified | 2026-07-02 | 2026-07-02 | 2026-07-02 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | $50.00 | $30.00 | $50.00 |
|---|---|---|---|
| Voice quality | neural | neural | neural |
| Voice cloning | ✓ included | — | ✓ included |
| Voice count | — | 94 | — |
| Languages | 43+ | en | 31+ |
| SSML support | ✓ | — | — |
| TTFB | — | 37ms | — |
| Output formats | — | — | — |
| Verified | 2026-07-02 | 2026-07-02 | 2026-07-02 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |