| 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-5.5 |
| Knowledge cutoff | 2025-08-31 | 2025-12-01 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/min | $0.016667 | $0.003300 | $0.002150 | $0.003000 |
|---|---|---|---|---|
| $/min batch | — | — | — | $0.001500 |
| Streaming | ✓ | — | ✓ | ✓ |
| Realtime | ✓ | — | ✓ | ✓ |
| Languages | 100+ | en | 56+ | 99+ |
| Diarization | extra-cost | included | included | unsupported |
| TTFW | — | — | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ |