| Output $/MTok | $14.00 | $1.50 | $10.00 | $1.00 |
|---|---|---|---|---|
| Input $/MTok | $1.75 | $0.25 | $2.50 | $1.00 |
| Cached input $/MTok | $0.1750 | — | $1.2500 | — |
| Context window | 400,000 | 1,048,576 | 128,000 | 128,000 |
| Output cap | 128,000 | 65,536 | 16,384 | 8,000 |
| Modalities | in: text, image / out: text | in: text, image, video / out: text | in: text, image / out: text | in: text / out: text |
| Tool use | ✓ | ✓ | ✓ | — |
| Structured output | ✓ | ✓ | ✓ | ✓ |
| Family | Codex | Qwen 3.6 Flash | GPT-4o | Sonar |
| Knowledge cutoff | 2025-08-31 | — | 2023-10-01 | — |
| 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 |
|---|---|---|
| Voice quality | neural | neural |
| Voice cloning | ✓ included | ✓ included |
| Voice count | — | — |
| Languages | en | 31+ |
| SSML support | — | — |
| TTFB | — | — |
| Output formats | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |