| Output $/MTok | $6.00 | $1.00 | $4.50 |
|---|---|---|---|
| Input $/MTok | $2.00 | $1.00 | $0.75 |
| Cached input $/MTok | $0.3000 | — | $0.0750 |
| Context window | 500,000 | 128,000 | 400,000 |
| Output cap | 500,000 | 8,000 | 128,000 |
| Modalities | in: text, image / out: text | in: text / out: text | in: text, image / out: text |
| Tool use | ✓ | — | ✓ |
| Structured output | ✓ | ✓ | ✓ |
| Family | Grok 4 | Sonar | GPT-5.4 |
| Knowledge cutoff | 2026-02-01 | — | 2025-08-31 |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/min | $0.006000 | $0.003300 |
|---|---|---|
| $/min batch | — | — |
| Streaming | — | — |
| Realtime | — | — |
| Languages | 99+ | en |
| Diarization | unsupported | included |
| TTFW | — | — |
| Verified | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ |
| $/1M chars | — |
|---|---|
| Voice quality | neural |
| Voice cloning | ✓ included |
| Voice count | — |
| Languages | en |
| SSML support | — |
| TTFB | — |
| Output formats | — |
| Verified | 2026-07-19 |
| Source | provider page ↗ |