Gemini 3.5 Flash vs Phi-3.5-mini-instruct
Google vs Microsoft — benchmarks, pricing, and capabilities side by side.
- •Gemini 3.5 Flash has the higher intelligence index (92.2 vs 46)
- •Phi-3.5-mini-instruct is cheaper ($0.10 vs $1.50 per 1M input)
- •Gemini 3.5 Flash is faster
- •Gemini 3.5 Flash has a larger context window (1M)
| Gemini 3.5 Flash | Phi-3.5-mini-instruct | |
|---|---|---|
| Intelligence index | 92.2 | 46 |
| Developer | Microsoft | |
| Type | Multimodal | LLM |
| Access | API only | Open weights |
| Context window | 1,048,576 tokens | 128,000 tokens |
| Input price | $1.50 / 1M | $0.10 / 1M |
| Output price | $9.00 / 1M | $0.10 / 1M |
| Speed | 221 tok/s | 23 tok/s |
| Released | May 19, 2026 | August 23, 2024 |
| Parameters | — | 3800000000 |
| Input modalities | Text, Image, Audio, Video | — |
| Output modalities | Text | — |
Shared benchmarks
Gemini 3.5 Flash
Phi-3.5-mini-instruct
GPQA Diamond
92.2
30.4