| Output $/MTok | $60.00 | $30.00 |
|---|---|---|
| Input $/MTok | $15.00 | $5.00 |
| Cached input $/MTok | $7.5000 | $0.5000 |
| Context window | 200,000 | 1,050,000 |
| 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-5.5 |
| Knowledge cutoff | 2023-10-01 | 2025-12-01 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/min | $0.010170 | $0.009000 | $0.002150 |
|---|---|---|---|
| $/min batch | — | — | — |
| Streaming | — | ✓ | ✓ |
| Realtime | — | ✓ | ✓ |
| Languages | en, fr, de, es, it | en | 56+ |
| Diarization | included | — | included |
| TTFW | — | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | $16.00 |
|---|---|
| Voice quality | neural |
| Voice cloning | — |
| Voice count | — |
| Languages | 40+ |
| SSML support | ✓ |
| TTFB | — |
| Output formats | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |