Gemini 3.5 Flash vs Grok 3 mini Reasoning
Google vs xAI — benchmarks, pricing, and capabilities side by side.
- •Gemini 3.5 Flash has the higher intelligence index (92.2 vs 80.9)
- •Grok 3 mini Reasoning is cheaper ($0.30 vs $1.50 per 1M input)
- •Gemini 3.5 Flash is faster
| Gemini 3.5 Flash | Grok 3 mini Reasoning | |
|---|---|---|
| Intelligence index | 92.2 | 80.9 |
| Developer | xAI | |
| Type | Multimodal | LLM |
| Access | API only | — |
| Context window | 1,048,576 tokens | — |
| Input price | $1.50 / 1M | $0.30 / 1M |
| Output price | $9.00 / 1M | $0.50 / 1M |
| Speed | 221 tok/s | 33 tok/s |
| Released | May 19, 2026 | February 19, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image, Audio, Video | — |
| Output modalities | Text | — |
Shared benchmarks
Gemini 3.5 Flash
Grok 3 mini Reasoning
GPQA Diamond
92.2
79.1
Humanity’s Last Exam
41
11.1