feat: Add support for Gemini 3 Pro Image model (#16938)

Add gemini-3-pro-image-preview model configuration for Google's new
image generation model (aka "Nano Banana Pro 🍌").

Model details:
- Input: $2.00/1M tokens (text), $0.0011/image
- Output: $12.00/1M tokens (text), $0.134/image (1K/2K)
- Context: 65k input / 32k output tokens
- Capabilities: structured outputs, web search, caching, thinking
- No function calling support
- Available on both Gemini API and Vertex AI

Added variants:
- gemini-3-pro-image-preview (base, uses Vertex AI)
- gemini/gemini-3-pro-image-preview (Gemini API)
- vertex_ai/gemini-3-pro-image-preview (Vertex AI)

Source: https://ai.google.dev/gemini-api/docs/pricing
Fixes: #16925
This commit is contained in:
Cesar Garcia 2025-11-21 20:55:25 -03:00 • committed by GitHub
parent 7c4ef090c1
commit 22ef7ab070
No known key found for this signature in database
GPG key ID: B5690EEEBB952194

View file

@ -11367,6 +11367,39 @@
"supports_web_search": true,
"tpm": 8000000
},
"gemini-3-pro-image-preview": {
"input_cost_per_image": 0.0011,
"input_cost_per_token": 2e-06,
"input_cost_per_token_batches": 1e-06,
"litellm_provider": "vertex_ai-language-models",
"max_input_tokens": 65536,
"max_output_tokens": 32768,
"max_tokens": 65536,
"mode": "image_generation",
"output_cost_per_image": 0.134,
"output_cost_per_token": 1.2e-05,
"output_cost_per_token_batches": 6e-06,
"source": "https://ai.google.dev/gemini-api/docs/pricing",
"supported_endpoints": [
"/v1/chat/completions",
"/v1/completions",
"/v1/batch"
],
"supported_modalities": [
"text",
"image"
],
"supported_output_modalities": [
"text",
"image"
],
"supports_function_calling": false,
"supports_prompt_caching": true,
"supports_response_schema": true,
"supports_system_messages": true,
"supports_vision": true,
"supports_web_search": true
},
"gemini-2.5-flash-lite": {
"cache_read_input_token_cost": 2.5e-08,
"input_cost_per_audio_token": 5e-07,
@ -13071,6 +13104,39 @@
"supports_web_search": true,
"tpm": 8000000
},
"gemini/gemini-3-pro-image-preview": {
"input_cost_per_image": 0.0011,
"input_cost_per_token": 2e-06,
"input_cost_per_token_batches": 1e-06,
"litellm_provider": "gemini",
"max_input_tokens": 65536,
"max_output_tokens": 32768,
"max_tokens": 65536,
"mode": "image_generation",
"output_cost_per_image": 0.134,
"output_cost_per_token": 1.2e-05,
"output_cost_per_token_batches": 6e-06,
"source": "https://ai.google.dev/gemini-api/docs/pricing",
"supported_endpoints": [
"/v1/chat/completions",
"/v1/completions",
"/v1/batch"
],
"supported_modalities": [
"text",
"image"
],
"supported_output_modalities": [
"text",
"image"
],
"supports_function_calling": false,
"supports_prompt_caching": true,
"supports_response_schema": true,
"supports_system_messages": true,
"supports_vision": true,
"supports_web_search": true
},
"gemini/gemini-2.5-flash-lite": {
"cache_read_input_token_cost": 2.5e-08,
"input_cost_per_audio_token": 5e-07,
@ -24557,6 +24623,20 @@
"output_cost_per_image": 0.039,
"source": "https://cloud.google.com/vertex-ai/generative-ai/docs/multimodal/image-generation#edit-an-image"
},
"vertex_ai/gemini-3-pro-image-preview": {
"input_cost_per_image": 0.0011,
"input_cost_per_token": 2e-06,
"input_cost_per_token_batches": 1e-06,
"litellm_provider": "vertex_ai-language-models",
"max_input_tokens": 65536,
"max_output_tokens": 32768,
"max_tokens": 65536,
"mode": "image_generation",
"output_cost_per_image": 0.134,
"output_cost_per_token": 1.2e-05,
"output_cost_per_token_batches": 6e-06,
"source": "https://docs.cloud.google.com/vertex-ai/generative-ai/docs/models/gemini/3-pro-image"
},
"vertex_ai/imagegeneration@006": {
"litellm_provider": "vertex_ai-image-models",
"mode": "image_generation",