Cogito v2.1 vs Grok 4.20 0309
Deep Cogito vs xAI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 has the higher intelligence index (88.5 vs 75.8)
- •Cogito v2.1 is cheaper ($1.30 vs $2.00 per 1M input)
- •Grok 4.20 0309 is faster
| Cogito v2.1 | Grok 4.20 0309 | |
|---|---|---|
| Intelligence index | 75.8 | 88.5 |
| Developer | Deep Cogito | xAI |
| Type | LLM | LLM |
| Access | — | — |
| Context window | — | — |
| Input price | $1.30 / 1M | $2.00 / 1M |
| Output price | $1.30 / 1M | $6.00 / 1M |
| Speed | 56 tok/s | 97 tok/s |
| Released | November 18, 2025 | March 10, 2026 |
| Parameters | — | — |
| Input modalities | — | — |
| Output modalities | — | — |
Shared benchmarks
Cogito v2.1
Grok 4.20 0309
GPQA Diamond
76.8
88.5
Humanity’s Last Exam
11
30