As of Oct 29, 2026, Gemini 3.1 Pro costs $2.00 per million input tokens and $12.00 per million output tokens from DeepInfra. The cheapest of 3 providers is DeepInfra at $2.00 / $12.00. No price change since Appndo started tracking it on Oct 14, 2026. Recent price changes
Providers (3)
Sorted by your monthly estimate. Prices per million tokens. DeepInfra also lists up to 1M output tokens per request.
DeepInfraCheapest
- Input / output
- $2.00 / $12.00
- Context
- 1M
- Per month
- $44.00
deepinfra/google/gemini-3.1-pro
- Input / output
- $2.50 / $15.00
- Context
- 1.05M
- Per month
- $55.00¹
databricks/databricks-gemini-3-1-pro
- Input / output
- $2.70 / $16.20
- Context
- 1.05M
- Per month
- $59.40
kyma/gemini-3.1-pro
Cloud and hosted providers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling.
Similar models
Common questions
How much does the Gemini 3.1 Pro API cost?
As of Oct 29, 2026, Gemini 3.1 Pro costs $2.00 per million input tokens and $12.00 per million output tokens from DeepInfra.
Where is Gemini 3.1 Pro cheapest?
As of Oct 29, 2026, the cheapest of 3 providers is DeepInfra at $2.00 per million input tokens and $12.00 per million output tokens. Appndo lists no official price from Google.
What is the context length of Gemini 3.1 Pro?
Gemini 3.1 Pro takes up to 1M tokens of context at DeepInfra; the limit differs between providers.
How does Gemini 3.1 Pro compare with similar models?
Gemini 3.1 Pro has no LMArena score yet. Other Google models and their cheapest price per million input / output tokens: Gemma 4 26B A4B IT ($0.07 / $0.34), Gemini 2.5 Flash ($0.15 / $0.60), and Gemini 2.5 Pro ($1.25 / $10.00).