Gemini 1.0 Pro vs Gemini 3.5 Flash
Google vs Google — benchmarks, pricing, and capabilities side by side.
- •Gemini 3.5 Flash has the higher intelligence index (92.2 vs 34)
- •Gemini 1.0 Pro is cheaper ($0.50 vs $1.50 per 1M input)
- •Gemini 3.5 Flash is faster
- •Gemini 3.5 Flash has a larger context window (1M)
| Gemini 1.0 Pro | Gemini 3.5 Flash | |
|---|---|---|
| Intelligence index | 34 | 92.2 |
| Developer | ||
| Type | LLM | Multimodal |
| Access | API only | API only |
| Context window | 32,760 tokens | 1,048,576 tokens |
| Input price | $0.50 / 1M | $1.50 / 1M |
| Output price | $1.50 / 1M | $9.00 / 1M |
| Speed | 120 tok/s | 221 tok/s |
| Released | February 15, 2024 | May 19, 2026 |
| Parameters | — | — |
| Input modalities | — | Text, Image, Audio, Video |
| Output modalities | — | Text |
Shared benchmarks
Gemini 1.0 Pro
Gemini 3.5 Flash
GPQA Diamond
27.9
92.2
Humanity’s Last Exam
4.6
41