| Output $/MTok | $15.00 | $2.00 | $2.50 | $8.00 |
|---|---|---|---|---|
| Input $/MTok | $2.50 | $0.25 | $1.25 | $2.00 |
| Cached input $/MTok | $0.2500 | $0.0250 | $0.2000 | $0.5000 |
| Context window | 1,050,000 | 400,000 | 1,000,000 | 200,000 |
| Output cap | 128,000 | 128,000 | 1,000,000 | 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 | GPT-5.4 | GPT-5 | Grok 4 | o-series |
| Knowledge cutoff | 2025-08-31 | 2024-05-31 | — | 2024-06-01 |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ | provider page ↗ |
| $/min | $0.009000 |
|---|---|
| $/min batch | — |
| Streaming | ✓ |
| Realtime | ✓ |
| Languages | en |
| Diarization | — |
| TTFW | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |
| $/1M chars | $30.00 |
|---|---|
| Voice quality | neural |
| Voice cloning | — |
| Voice count | 94 |
| Languages | en |
| SSML support | — |
| TTFB | 37ms |
| Output formats | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |