Google: Gemini 3.5 Flash vs OpenAI: GPT-5.2
google vs openai
On price, Google: Gemini 3.5 Flash is cheaper (blended cost is about 0.70× that of OpenAI: GPT-5.2).
On capability, Google: Gemini 3.5 Flash has the higher intelligence index (33) — better for complex reasoning.
Verdict: pick Google: Gemini 3.5 Flash on a budget, or Google: Gemini 3.5 Flash for output quality. Full details below.
Side-by-Side Specs
| Metric | Google: Gemini 3.5 Flash | OpenAI: GPT-5.2 |
|---|---|---|
| Input /1M | $1.50 | $1.75 |
| Output /1M | $9.00 | $14.00 |
| Blended (3:1) | $3.38 | $4.81 |
| Context | 1.0M | 400K |
| Intelligence | 33 | 30 |
| Coding | 70 | 49 |
| Math | — | 99 |
| Speed | 186 tok/s | 73 tok/s |
| CPS Grade | A | A |
FAQ
Which is cheaper, Google: Gemini 3.5 Flash or OpenAI: GPT-5.2?
On price, Google: Gemini 3.5 Flash is cheaper (blended cost is about 0.70× that of OpenAI: GPT-5.2). Google: Gemini 3.5 Flash: $1.5 in / $9 out; OpenAI: GPT-5.2: $1.75 in / $14 out (per 1M tokens).
Which is smarter, Google: Gemini 3.5 Flash or OpenAI: GPT-5.2?
On capability, Google: Gemini 3.5 Flash has the higher intelligence index (33) — better for complex reasoning. Coding index: Google: Gemini 3.5 Flash 70 vs OpenAI: GPT-5.2 49.
Which one should I choose?
Verdict: pick Google: Gemini 3.5 Flash on a budget, or Google: Gemini 3.5 Flash for output quality. Full details below.