| Output $/MTok | $8.00 | $0.40 | $4.40 | $2.50 | $1.00 |
|---|---|---|---|---|---|
| Input $/MTok | $2.00 | $0.05 | $1.10 | $1.25 | $1.00 |
| Cached input $/MTok | $0.5000 | $0.0050 | $0.2750 | $0.2000 | — |
| Context window | 1,047,576 | 400,000 | 200,000 | 1,000,000 | 128,000 |
| Output cap | 32,768 | 128,000 | 100,000 | 1,000,000 | 8,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text | in: text, image / out: text | in: text, image / out: text | in: text / out: text |
| Tool use | ✓ | ✓ | ✓ | ✓ | — |
| Structured output | ✓ | ✓ | ✓ | ✓ | ✓ |
| Family | GPT-4.1 | GPT-5 | o-series | Grok 4 | Sonar |
| Knowledge cutoff | 2024-06-01 | 2024-05-31 | 2024-06-01 | — | — |
| 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 | $30.00 |
|---|---|
| Voice quality | neural |
| Voice cloning | — |
| Voice count | 94 |
| Languages | en |
| SSML support | — |
| TTFB | 37ms |
| Output formats | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |