Google: Gemini 3 Pro Preview vs Google: Gemini 3.1 Pro Preview

Side-by-side model comparison based on OpenRouter API data.

SpecGoogle: Gemini 3 Pro PreviewGoogle: Gemini 3.1 Pro Preview
ProviderGoogleGoogle
Context Length1.0M1.0M
Max Output66K66K
Input Price/1M$2.00$2.00
Output Price/1M$12$12
Cache Read/1M$0.20$0.20
Cache Write/1M$0.38$0.38
Input ModalitiesText + Image + File + Audio + VideoAudio + File + Image + Text + Video
Output ModalitiesTextText
TokenizerGeminiGemini
ModeratedNoNo
Google: Gemini 3 Pro Preview vs Google: Gemini 3.1 Pro Preview -- AI Model Comparison | AIToolRank