Gemini 3.1 Pro Preview

Updated Sep 11, 2026

gemini-pro1.0M context66k max outputreleased Feb 19, 2026ReasoningTool calling

Cheapest input

Cheapest output

Official (Google)

$12

output per 1M tokens

Providers

offering this model

Spread

2.5×

max / min output

Offers

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.

Provider	1M input	1M output	1M cache read	1M cache write	Context
Kilo Gateway	Cheapest$1	Cheapest$6	$0.1	$0.1875	1.0M
302.AI	$2	$12	—	—	1.0M
Abacus	$2	$12	$0.2	—	1.0M
AIHubMix	^†$2	$12	$0.2	—	1.0M
Auriko	^†$2	$12	$0.2	—	1.0M
CrossModel	^†$2	$12	$0.2	$2	1.0M
DaoXE	$2	$12	$0.2	—	1.0M
Eden AI	^†$2	$12	$0.2	$0.375	1.0M
Eden AI	^†$2	$12	$0.2	$0.375	1.0M
FastRouter	$2	$12	—	—	1.0M
FrogBot	$2	$12	$0.2	—	1.0M
Google	^†$2	$12	$0.2	—	1.0M
Vertex	^†$2	$12	$0.2	—	1.0M
Impossibl	^†$2	$12	$0.2	—	1.0M
DevPass (LLM Gateway)	^†$2	$12	$0.2	—	1.0M
LLM Gateway	^†$2	$12	$0.2	—	1.0M
LLM Gateway	^†$2	$12	$0.2	—	1.0M
Merge Gateway	^†$2	$12	$0.2	—	1.0M
NanoGPT	$2	$12	$0.2	$0.375	1.0M
Ofox	$2	$12	$0.2	$4.5	1.0M
OpenCode Zen	^†$2	$12	$0.2	—	1.0M
OpenRouter	^†$2	$12	$0.2	$0.375	1.0M
Opper	^†$2	$12	$0.2	—	1.0M
OrcaRouter	^†$2	$12	$0.2	—	1.0M
Perplexity Agent	^†$2	$12	$0.2	—	1.0M
Pioneer	$2	$12	$0.2	$0.375	1.0M
Poe	$2	$12	$0.2	—	1.0M
Requesty	^†$2	$12	$0.2	$4.5	1.0M
Vercel AI Gateway	$2	$12	$0.2	—	1.0M
Vivgrid	^†$2	$12	$0.2	—	1.0M
ZenMux	$2	$12	$0.2	$4.5	1.0M
Venice AI	^†$2.5	$15	$0.5	$0.5	1.0M
Kenarifree	free	free	—	—	1.0M