Grok 4.20 0309 v2 vs Reka Flash
xAI vs Reka AI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 v2 has the higher intelligence index (91.1 vs 52.9)
- •Reka Flash is cheaper ($0.20 vs $2.00 per 1M input)
- •Grok 4.20 0309 v2 is faster
| Grok 4.20 0309 v2 | Reka Flash | |
|---|---|---|
| Intelligence index | 91.1 | 52.9 |
| Developer | xAI | Reka AI |
| Type | LLM | LLM |
| Access | — | — |
| Context window | — | — |
| Input price | $2.00 / 1M | $0.20 / 1M |
| Output price | $6.00 / 1M | $0.80 / 1M |
| Speed | 105 tok/s | 85 tok/s |
| Released | April 7, 2026 | October 4, 2024 |
| Parameters | — | — |
| Input modalities | — | — |
| Output modalities | — | — |