| Output $/MTok | $1.00 | $10.00 | $15.00 |
|---|---|---|---|
| Input $/MTok | $1.00 | $2.50 | $2.50 |
| Cached input $/MTok | — | $1.2500 | $0.2500 |
| Context window | 128,000 | 128,000 | 1,050,000 |
| Output cap | 8,000 | 16,384 | 128,000 |
| Modalities | in: text / out: text | in: text, image / out: text | in: text, image / out: text |
| Tool use | — | ✓ | ✓ |
| Structured output | ✓ | ✓ | ✓ |
| Family | Sonar | GPT-4o | GPT-5.4 |
| Knowledge cutoff | — | 2023-10-01 | 2025-08-31 |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | $19.50 | $50.00 | $50.00 |
|---|---|---|---|
| Voice quality | neural | neural | neural |
| Voice cloning | — | ✓ included | ✓ included |
| Voice count | — | — | — |
| Languages | en, hi, mr, ta, ml, te, kn, pa, bn, or, gu, ar, zh, id, ja, ko, ms, tr, vi, de, es, fr, it, pt, ru, el, fi, no, pl | 31+ | 42+ |
| SSML support | — | — | ✓ |
| TTFB | 200ms | — | 90ms |
| Output formats | pcm, mp3, wav, ulaw, alaw | — | raw/pcm_f32le, raw/pcm_s16le, raw/pcm_mulaw, raw/pcm_alaw, wav, mp3 |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |