| Output $/MTok | $4.50 | $7.50 | $6.00 | $15.00 |
|---|---|---|---|---|
| Input $/MTok | $0.75 | $2.50 | $2.00 | $3.00 |
| Cached input $/MTok | $0.0750 | — | $0.3000 | $0.7500 |
| Context window | 400,000 | 1,048,576 | 500,000 | 131,072 |
| Output cap | 128,000 | 65,536 | 500,000 | 131,072 |
| Modalities | in: text, image / out: text | in: text / out: text | in: text, image / out: text | in: text / out: text |
| Tool use | ✓ | ✓ | ✓ | ✓ |
| Structured output | ✓ | ✓ | ✓ | ✓ |
| Family | GPT-5.4 | Qwen 3.7 Max | Grok 4 | Grok 3 |
| Knowledge cutoff | 2025-08-31 | — | 2026-02-01 | 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 | $30.00 | $50.00 |
|---|---|---|
| Voice quality | neural | neural |
| Voice cloning | — | ✓ included |
| Voice count | 94 | — |
| Languages | en | 31+ |
| SSML support | — | — |
| TTFB | 37ms | — |
| Output formats | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |