Grok 4.20 0309 vs Phi-3.5-mini-instruct
xAI vs Microsoft — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 has the higher intelligence index (88.5 vs 46)
- •Phi-3.5-mini-instruct is cheaper ($0.10 vs $2.00 per 1M input)
- •Grok 4.20 0309 is faster
| Grok 4.20 0309 | Phi-3.5-mini-instruct | |
|---|---|---|
| Intelligence index | 88.5 | 46 |
| Developer | xAI | Microsoft |
| Type | LLM | LLM |
| Access | — | Open weights |
| Context window | — | 128,000 tokens |
| Input price | $2.00 / 1M | $0.10 / 1M |
| Output price | $6.00 / 1M | $0.10 / 1M |
| Speed | 97 tok/s | 23 tok/s |
| Released | March 10, 2026 | August 23, 2024 |
| Parameters | — | 3800000000 |
| Input modalities | — | — |
| Output modalities | — | — |
Shared benchmarks
Grok 4.20 0309
Phi-3.5-mini-instruct
GPQA Diamond
88.5
30.4