| Output $/MTok | $8.00 | $1.25 |
|---|---|---|
| Input $/MTok | $2.00 | $0.20 |
| Cached input $/MTok | $0.5000 | $0.0200 |
| Context window | 200,000 | 400,000 |
| Output cap | 100,000 | 128,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Family | o-series | GPT-5.4 |
| Knowledge cutoff | 2024-06-01 | 2025-08-31 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/min | $0.003000 | $0.006000 | $0.002500 | $0.002150 |
|---|---|---|---|---|
| $/min batch | $0.001500 | — | — | — |
| Streaming | ✓ | — | ✓ | ✓ |
| Realtime | ✓ | — | ✓ | ✓ |
| Languages | 99+ | 99+ | en | 56+ |
| Diarization | unsupported | unsupported | extra-cost | included |
| TTFW | — | — | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ |