Aion-2.0 vs Grok 4.3
Aion Labs vs xAI — benchmarks, pricing, and capabilities side by side.
- •Aion-2.0 is cheaper ($0.80 vs $1.25 per 1M input)
- •Grok 4.3 has a larger context window (1M)
| Aion-2.0 | Grok 4.3 | |
|---|---|---|
| Intelligence index | — | 90.1 |
| Developer | Aion Labs | xAI |
| Type | LLM | LLM |
| Access | API only | API only |
| Context window | 131,072 tokens | 1,000,000 tokens |
| Input price | $0.80 / 1M | $1.25 / 1M |
| Output price | $1.60 / 1M | $2.50 / 1M |
| Speed | — | 88 tok/s |
| Released | February 23, 2026 | May 6, 2026 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |