Google: Nano Banana 2 (Gemini 3.1 Flash Image)

The same model varies by Infinity× on input price — from Free at Experiential Labs up to $0.500 at OpenRouter.

• Experiential Labs cheapest

  gemini-3.1-flash-image

  Input /1M

  Free

  Output /1M

  Free
  context —Sign up
• Kira AI

  gemini-3.1-flash-image-preview

  Input /1M

  $0.420

  Output /1M

  —
  context —Sign up
• AIHubMix

  gemini-3.1-flash-image-preview

  Input /1M

  $0.500

  Output /1M

  $3.00
  context —Sign up
• AIHubMix

  gemini-3.1-flash-image

  Input /1M

  $0.500

  Output /1M

  $3.00
  context —Sign up
• TokenRouter

  google/gemini-3.1-flash-image-preview

  Input /1M

  $0.500

  Output /1M

  $3.00
  context —Sign up
• OpenRouter

  google/gemini-3.1-flash-image-preview

  Input /1M

  $0.500

  Output /1M

  $3.00
  context 66KSign up
• OpenRouter

  google/gemini-3.1-flash-image

  Input /1M

  $0.500

  Output /1M

  $3.00
  context 131KSign up
• UNIKEY

  google/gemini-3.1-flash-image

  Input /1M

  —

  Output /1M

  —
  context —Sign up
• UnUnorouter

  gemini-3.1-flash-image

  Input /1M

  —

  Output /1M

  $0.110
  context 66KSign up
• OrcaRouter

  google/gemini-3.1-flash-image-preview

  Input /1M

  —

  Output /1M

  —
  context 66KSign up

Gateway	Model ID	Context	Input /1M	Output /1M
Experiential Labs cheapest	gemini-3.1-flash-image	—	Free	Free	Sign up
Kira AI	gemini-3.1-flash-image-preview	—	$0.420	—	Sign up
AIHubMix	gemini-3.1-flash-image-preview	—	$0.500	$3.00	Sign up
AIHubMix	gemini-3.1-flash-image	—	$0.500	$3.00	Sign up
TokenRouter	google/gemini-3.1-flash-image-preview	—	$0.500	$3.00	Sign up
OpenRouter	google/gemini-3.1-flash-image-preview	66K	$0.500	$3.00	Sign up
OpenRouter	google/gemini-3.1-flash-image	131K	$0.500	$3.00	Sign up
UNIKEY	google/gemini-3.1-flash-image	—	—	—	Sign up
UnUnorouter	gemini-3.1-flash-image	66K	—	$0.110	Sign up
OrcaRouter	google/gemini-3.1-flash-image-preview	66K	—	—	Sign up

Data last updated 3 hours ago.