| Output $/MTok | $15.00 | $10.00 |
|---|---|---|
| Input $/MTok | $2.50 | $1.25 |
| Cached input $/MTok | $0.2500 | $0.1250 |
| Context window | 1,050,000 | 400,000 |
| 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 |
| Knowledge cutoff | 2025-08-31 | 2024-09-30 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/min | $0.005000 | $0.003300 | $0.012500 |
|---|---|---|---|
| $/min batch | — | — | $0.010170 |
| Streaming | ✓ | — | ✓ |
| Realtime | ✓ | — | ✓ |
| Languages | en | en | 100+ |
| Diarization | included | included | included |
| TTFW | — | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | $15.00 |
|---|---|
| Voice quality | neural |
| Voice cloning | — |
| Voice count | — |
| Languages | en |
| SSML support | — |
| TTFB | — |
| Output formats | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |