// model_detail
preview frontier
Gemini 3.1 Pro
by Google
Google's most capable model. 1M context, multimodal. Price doubles for context >200K.
Context window 1M 1M tokens
Max output 64K 64K tokens
Pricing /1M tok $2.00 in / $12.00 out per 1M tokens (API)
Released Mar 9, 2026
// specifications
Specs & capabilities
API details
- API model ID
gemini-3.1-pro-preview- Internal ID
gemini-3-1-pro- Status
- preview
- Type
- frontier
Capabilities
- Vision
- 👁️ Yes
- Function calling
- 🔧 Yes
- Knowledge cutoff
- 📅 2025-09
Pricing
- Input
- $2.00 / 1M tokens
- Output
- $12.00 / 1M tokens
- Source
- First-party API pricing
Lifecycle
- Predecessor
-
gemini-3-pro
// data_confidence
Data notes
⚠️ Preview availability can change quickly
// notes
Additional notes
Latest Gemini flagship, tiered pricing
// more_from_google
More Google models
Gemini 3.1 Flash-Lite preview fast
Cost-efficient model in the Gemini 3.1 family. 1M context, lowest pricing tier.
Gemini 3 Flash preview balanced
Third-generation Flash model. 1M context, fast and affordable.
Gemini 2.5 Flash-Lite active fast
Smallest 2.5 model. 1M context, best budget option in the Gemini lineup.
Gemini 2.5 Flash active balanced
Second-generation Flash. 1M context, excellent speed/cost ratio. Supports thinking budgets.
Gemini 2.5 Pro active frontier
Previous-gen flagship with thinking budgets. 1M context. Price doubles for context >200K.
Gemma 3 12B active open-weight
Mid-size open-weight Gemma. 12B parameters, 128K context, vision.
// external_links