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Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview advances software engineering and agentic workflows with targeted quality improvements for finance and spreadsheet applications, plus more efficient thinking that reduces token consumption while maintaining performance. Your use subject to Google's Terms & Privacy Policies.

File InputTool UseReasoningVision (Image)Web Searchtiered-costImplicit Caching
import { streamText } from 'ai'
const result = streamText({
model: 'google/gemini-3.1-pro-preview',
prompt: 'Why is the sky blue?'
})
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Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Release Date
1M64K
4.5s
100tps
$2/M+1 more
$12/M+1 more
Read:
$0.2/M+1 more
Write:
$14/K+1 more
+ input costs
+3
02/19/2026
1M64K
4.1s
112tps
$2/M+1 more
$12/M+1 more
Read:
$0.2/M+1 more
Write:
$14/K+1 more
+ input costs
+3
02/19/2026