HeliconeGoogle Gemini 3 Pro Preview model ID, context window & pricing
gemini-pro
Quick facts
Model ID gemini-3-pro-preview
Source Helicone
Context Window 1048576
Pricing $2.00 input / $12.00 output per 1M tokens
Capabilities tool calling, reasoning, temperature control
Model overview
Google Gemini 3 Pro Preview is an AI model from Helicone with 1048576 token context window and text, image, audio, video input support.
Published pricing is $2.00 input and $12.00 output per 1M tokens.
- Workloads that use text, image, audio, video inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID gemini-3-pro-preview
Provider Helicone
Family gemini-pro
Status -
Knowledge Cutoff 2025-11
Release Date 2025-11-18
Input Modalities text, image, audio, video
Output Modalities text
Context Window 1048576
Input Limit -
Output Limit 65536
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $2.00
Output Cost / 1M tokens $12.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.20
Cache Write Cost / 1M tokens -