ERNIE 4.5 21B A3B vs Grok 4.20 0309
Baidu vs xAI — benchmarks, pricing, and capabilities side by side.
- •ERNIE 4.5 21B A3B is cheaper ($0.07 vs $2.00 per 1M input)
| ERNIE 4.5 21B A3B | Grok 4.20 0309 | |
|---|---|---|
| Intelligence index | — | 88.5 |
| Developer | Baidu | xAI |
| Type | LLM | LLM |
| Access | Open weights | — |
| Context window | 131,072 tokens | — |
| Input price | $0.07 / 1M | $2.00 / 1M |
| Output price | $0.28 / 1M | $6.00 / 1M |
| Speed | — | 97 tok/s |
| Released | August 12, 2025 | March 10, 2026 |
| Parameters | — | — |
| Input modalities | Text | — |
| Output modalities | Text | — |