Google / google/gemini-3.1-flash-image

Gemini 3.1 Flash Image - access through LLMTR

Delivers good image generation and conversational editing with lower latency than a premium image model. Use the stable GA model ID for creative products serving mainstream usage.

Technical specifications

Canonical IDgoogle/gemini-3.1-flash-image
ProviderGoogle
Context window131,072 tokens
OperationsIMAGES_GENERATIONS
Modalitiestext, image, 0.5k, 1k, 2k, 4k

Pricing

A 6% platform margin applies to credit top-ups; model usage prices are not separately marked up.

OperationMetricUnitPrice
IMAGES_GENERATIONSINPUT_IMAGEPER_1M_TOKENS$0.500000
IMAGES_GENERATIONSINPUT_TEXTPER_1M_TOKENS$0.500000
IMAGES_GENERATIONSOUTPUT_IMAGEPER_IMAGE$0.045000
IMAGES_GENERATIONSOUTPUT_IMAGEPER_IMAGE$0.067000
IMAGES_GENERATIONSOUTPUT_IMAGEPER_IMAGE$0.101000
IMAGES_GENERATIONSOUTPUT_IMAGEPER_IMAGE$0.151000
IMAGES_GENERATIONSOUTPUT_IMAGEPER_1M_TOKENS$60.00
IMAGES_GENERATIONSOUTPUT_TEXTPER_1M_TOKENS$3.00

Example usage

With existing OpenAI SDK flows, change only the base URL and model identifier.

curl https://llmtr.com/v1/chat/completions \
  -H "Authorization: Bearer llmtr-your_key" \
  -H "Content-Type: application/json" \
  -d '{"model":"google/gemini-3.1-flash-image","messages":[{"role":"user","content":"Hello"}]}'

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