| Output $/MTok | $8.00 | $60.00 | $6.00 | $6.00 | $1.00 |
|---|---|---|---|---|---|
| Input $/MTok | $2.00 | $15.00 | $2.00 | $1.00 | $1.00 |
| Cached input $/MTok | $0.5000 | $7.5000 | $0.3000 | $0.1000 | — |
| Context window | 1,047,576 | 200,000 | 500,000 | 1,050,000 | 128,000 |
| Output cap | 32,768 | 100,000 | 500,000 | 128,000 | 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 | o-series | Grok 4 | GPT-5.6 | Sonar |
| Knowledge cutoff | 2024-06-01 | 2023-10-01 | 2026-02-01 | 2026-02-16 | — |
| 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 | — |
|---|---|
| Voice quality | neural |
| Voice cloning | ✓ included |
| Voice count | — |
| Languages | en |
| SSML support | — |
| TTFB | — |
| Output formats | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |