| Output $/MTok | $15.00 | $30.00 |
|---|---|---|
| Input $/MTok | $2.50 | $5.00 |
| Cached input $/MTok | $0.2500 | $0.5000 |
| Context window | 1,050,000 | 1,050,000 |
| Output cap | 128,000 | 128,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Family | GPT-5.4 | GPT-5.6 |
| Knowledge cutoff | 2025-08-31 | 2026-02-16 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/min | $0.003000 | $0.002150 |
|---|---|---|
| $/min batch | $0.001500 | — |
| Streaming | ✓ | ✓ |
| Realtime | ✓ | ✓ |
| Languages | 99+ | 56+ |
| Diarization | unsupported | included |
| TTFW | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/1M chars | $50.00 | $30.00 |
|---|---|---|
| Voice quality | neural | neural |
| Voice cloning | ✓ included | — |
| Voice count | — | 94 |
| Languages | 42+ | en |
| SSML support | ✓ | — |
| TTFB | — | 37ms |
| Output formats | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |