Grok 4.20 0309 vs Palmyra X5
xAI vs Writer — benchmarks, pricing, and capabilities side by side.
- •Palmyra X5 is cheaper ($0.60 vs $2.00 per 1M input)
| Grok 4.20 0309 | Palmyra X5 | |
|---|---|---|
| Intelligence index | 88.5 | — |
| Developer | xAI | Writer |
| Type | LLM | LLM |
| Access | — | API only |
| Context window | — | 1,040,000 tokens |
| Input price | $2.00 / 1M | $0.60 / 1M |
| Output price | $6.00 / 1M | $6.00 / 1M |
| Speed | 97 tok/s | — |
| Released | March 10, 2026 | January 21, 2026 |
| Parameters | — | — |
| Input modalities | — | Text |
| Output modalities | — | Text |