Gemini 3.1 Pro

Google · Released Feb 2026

Google's frontier model. Context-tiered pricing: $2/$12 up to 200K tokens, $4/$18 beyond. Figures shown are the ≤200K tier.

Strengths: Google's frontier model with very long context and competitive entry pricing.
Best for: Long-context analysis and multimodal work in the Google ecosystem.
Limitations: Context-tiered pricing rises above 200K tokens, so cost scales with prompt size.

Input / 1M

$2.00

Output / 1M

$12.00

Cached input / 1M

Context window

Price history

Effective	Input	Output	Cached in	Note	Source
19 Feb 2026	$2.00	$12.00	$0.2	≤200K context tier	ai.google.dev/gemini-api/docs/pricing

Gemini 3.6 Flash

in $1.50 · out $7.50

Gemini 3.5 Flash-Lite

in $0.3 · out $2.50

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

in $0.25 · out $1.50

Nano Banana 2 (Gemini 3.1 Flash Image)

in $0.5 · out $3.00

Data updated Jun 11, 2026 Report a problem