Gemini 3.1 Pro Preview Custom Tools
Advanced Gemini model for complex reasoning, coding, and multimodal analysis
Context
1,048,576
Max output
65,536
Input / 1M
$2.00
Output / 1M
$12.00
Providers
9
01Profile
Profile
Released
2026-02-19
Last updated
2026-02-19
Knowledge cutoff
2025-01
Weights
Closed
02Capabilities
Capabilities
Input
text · image · video · audio · pdf
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
$0.20
Cache write
Not listed
03Pricing
Pricing across 9 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
12+ recent events since 2026-02-19
2026-09-05Contextnano-gptContext window1,048,756→ new
2026-08-27Price cutorcarouterinput / 1M$4.00→ $2.00
2026-08-27Price cutorcarouteroutput / 1M$18.00→ $12.00
2026-08-14Addededenaioffering→ new
2026-08-03Contextnano-gptMax output65,536→ new
2026-08-02ContextkiloContext window1,048,576→ new
2026-08-02ContextkiloMax output65,536→ new
2026-07-21ContextopenrouterContext window1,048,756→ new
2026-07-09ContextopenrouterContext window—→ 1,048,756
2026-06-03Price upgoogle-vertexinput / 1M—→ $2.00
2026-06-03Price upgoogle-vertexoutput / 1M—→ $12.00
2026-06-03Price upmerge-gatewayinput / 1M—→ $2.00