| Output $/MTok | $8.00 | $30.00 | $4.50 | $60.00 |
|---|---|---|---|---|
| Input $/MTok | $2.00 | $5.00 | $0.75 | $15.00 |
| Cached input $/MTok | $0.5000 | $0.5000 | $0.0750 | $7.5000 |
| Context window | 200,000 | 1,050,000 | 400,000 | 200,000 |
| Output cap | 100,000 | 128,000 | 128,000 | 100,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text | in: text, image / out: text | in: text, image / out: text |
| Tool use | ✓ | ✓ | ✓ | ✓ |
| Structured output | ✓ | ✓ | ✓ | ✓ |
| Family | o-series | GPT-5.5 | GPT-5.4 | o-series |
| Knowledge cutoff | 2024-06-01 | 2025-12-01 | 2025-08-31 | 2023-10-01 |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ |
| $/min | $0.002150 | $0.003000 |
|---|---|---|
| $/min batch | — | $0.001500 |
| Streaming | — | ✓ |
| Realtime | — | ✓ |
| Languages | 68+ | 99+ |
| Diarization | included | unsupported |
| TTFW | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |