| Output $/MTok | $15.00 | $60.00 | $1.00 |
|---|---|---|---|
| Input $/MTok | $2.50 | $15.00 | $1.00 |
| Cached input $/MTok | $0.2500 | $7.5000 | — |
| Context window | 1,050,000 | 200,000 | 128,000 |
| Output cap | 128,000 | 100,000 | 8,000 |
| Modalities | in: text, image / out: text | in: text, image / out: text | in: text / out: text |
| Tool use | ✓ | ✓ | — |
| Structured output | ✓ | ✓ | ✓ |
| Family | GPT-5.4 | o-series | Sonar |
| Knowledge cutoff | 2025-08-31 | 2023-10-01 | — |
| Verified | 2026-07-02 | 2026-07-02 | 2026-07-02 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | $30.00 | $50.00 | $35.00 |
|---|---|---|---|
| Voice quality | neural | neural | neural |
| Voice cloning | — | ✓ included | ✓ included |
| Voice count | 94 | — | — |
| Languages | en | 42+ | en, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, ar |
| SSML support | — | ✓ | — |
| TTFB | 37ms | 90ms | — |
| Output formats | — | raw/pcm_f32le, raw/pcm_s16le, raw/pcm_mulaw, raw/pcm_alaw, wav, mp3 | — |
| Verified | 2026-07-02 | 2026-07-02 | 2026-07-02 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |