Grok 4.3 vs Reka Flash
xAI vs Reka AI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.3 has the higher intelligence index (90.1 vs 52.9)
- •Reka Flash is cheaper ($0.20 vs $1.25 per 1M input)
- •Grok 4.3 is faster
| Grok 4.3 | Reka Flash | |
|---|---|---|
| Intelligence index | 90.1 | 52.9 |
| Developer | xAI | Reka AI |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 1,000,000 tokens | — |
| Input price | $1.25 / 1M | $0.20 / 1M |
| Output price | $2.50 / 1M | $0.80 / 1M |
| Speed | 88 tok/s | 85 tok/s |
| Released | May 6, 2026 | October 4, 2024 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |