| Output $/MTok | $15.00 |
|---|---|
| Input $/MTok | $2.50 |
| Cached input $/MTok | $0.2500 |
| Context window | 1,050,000 |
| Output cap | 128,000 |
| Modalities | in: text, image / out: text |
| Tool use | ✓ |
| Structured output | ✓ |
| Family | GPT-5.4 |
| Knowledge cutoff | 2025-08-31 |
| Verified | 2026-07-02 |
| Source | provider page ↗ |
| $/min | $0.016000 | $0.002500 | $0.016000 |
|---|---|---|---|
| $/min batch | — | — | — |
| Streaming | ✓ | ✓ | ✓ |
| Realtime | ✓ | ✓ | ✓ |
| Languages | 20+ | en | 98+ |
| Diarization | included | extra-cost | included |
| TTFW | — | — | — |
| Verified | 2026-07-02 | 2026-07-02 | 2026-07-02 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | $30.00 | $50.00 |
|---|---|---|
| Voice quality | neural | neural |
| Voice cloning | — | ✓ included |
| Voice count | 94 | — |
| Languages | en | 43+ |
| SSML support | — | ✓ |
| TTFB | 37ms | — |
| Output formats | — | — |
| Verified | 2026-07-02 | 2026-07-02 |
| Source | provider page ↗ | provider page ↗ |