| Output $/MTok | $60.00 | $10.00 |
|---|---|---|
| Input $/MTok | $15.00 | $1.25 |
| Cached input $/MTok | $7.5000 | $0.1250 |
| 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 |
| Knowledge cutoff | 2023-10-01 | 2024-09-30 |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/1M chars | $50.00 | — | $15.00 | $17.50 |
|---|---|---|---|---|
| Voice quality | neural | neural | neural | neural |
| Voice cloning | ✓ included | ✓ included | — | ✓ included |
| Voice count | — | — | — | 217 |
| Languages | en, fr, de, es, pt, zh, ja, hi, ko | en | en | en, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or |
| SSML support | — | — | — | — |
| TTFB | 40ms | — | — | 200ms |
| Output formats | — | — | — | pcm, mp3, wav, ulaw, alaw |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ |