Catalog Changes · 2026-10-13 03:21:06.497061

Google: Nano Banana Pro (Gemini 3 Pro Image Preview) · 2026-10-13 03:21:06.497061 UTC

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Google: Nano Banana Pro (Gemini 3 Pro Image Preview)

google/gemini-3-pro-image-preview

OpenRouter Catalog Changes

Last Observed: 2026-10-13 18:02:25.104649 UTC

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and...

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Architecture And Modalities · 3

Architecture · Instruct Type API Details /architecture/instruct_type Explicit Null	Explicit Null
Architecture · Modality API Details /architecture/modality text+image->text+image	text+image->text+image
Architecture · Tokenizer API Details /architecture/tokenizer Gemini	Gemini

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug google/gemini-3-pro-image-preview-20251120	google/gemini-3-pro-image-preview-20251120
Context Tokens API Details /context_length 65536	65,536
Created API Details /created 1763653797	2025-11-20 15:49:57 UTC
Description API Details /description Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and...	Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id Empty String	Empty String
Id API Details /id google/gemini-3-pro-image-preview	google/gemini-3-pro-image-preview
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/google/gemini-3-pro-image-preview-20251120/endpoints	/api/v1/models/google/gemini-3-pro-image-preview-20251120/endpoints
Name API Details /name Google: Nano Banana Pro (Gemini 3 Pro Image Preview)	Google: Nano Banana Pro (Gemini 3 Pro Image Preview)
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Default Parameters · 3

Default Parameters · Frequency Penalty API Details /default_parameters/frequency_penalty Explicit Null	Explicit Null
Default Parameters · Temperature API Details /default_parameters/temperature Explicit Null	Explicit Null
Default Parameters · Top P API Details /default_parameters/top_p Explicit Null	Explicit Null

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 10

Pricing · Audio API Details /pricing/audio 0.000002	0.000002
Output Price · USD/Token API Details /pricing/completion 0.000012	0.000012
Pricing · Image API Details /pricing/image 0.000002	0.000002
Pricing · Image Output API Details /pricing/image_output 0.00012	0.00012
Pricing · Input Audio Cache API Details /pricing/input_audio_cache 0.0000002	0.0000002
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000002	0.0000002
Pricing · Input Cache Write API Details /pricing/input_cache_write 0.000000375	0.000000375
Pricing · Internal Reasoning API Details /pricing/internal_reasoning 0.000012	0.000012
Input Price · USD/Token API Details /pricing/prompt 0.000002	0.000002
Pricing · Web Search API Details /pricing/web_search 0.014	0.014

Reasoning · 1

Reasoning · Mandatory API Details /reasoning/mandatory True	True

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 65536	65,536
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 32768	32,768

API Structure And Container Types

Architecture API Details /architecture Object · See Fields	Object · See Fields
Architecture · Input Modalities API Details /architecture/input_modalities Array · See Items	Array · See Items
Architecture · Output Modalities API Details /architecture/output_modalities Array · See Items	Array · See Items
Benchmarks API Details /benchmarks Object · See Fields	Object · See Fields
Benchmarks · Design Arena API Details /benchmarks/design_arena Array · See Items	Array · See Items
Default Parameters API Details /default_parameters Object · See Fields	Object · See Fields
Links API Details /links Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
Reasoning API Details /reasoning Object · See Fields	Object · See Fields
Supported Parameters API Details /supported_parameters Array · See Items	Array · See Items
Top Provider API Details /top_provider Object · See Fields	Object · See Fields

Architecture · Input Modalities

2 items · source order preserved

image
text

API Details

Item	/architecture/input_modalities/*
1	image
2	text

Architecture · Output Modalities

2 items · source order preserved

image
text

API Details

Item	/architecture/output_modalities/*
1	image
2	text

Supported Parameters

9 items · source order preserved

include_reasoning
max_tokens
reasoning
response_format
seed
stop
structured_outputs
temperature
top_p

API Details

Item	/supported_parameters/*
1	include_reasoning
2	max_tokens
3	reasoning
4	response_format
5	seed
6	stop
7	structured_outputs
8	temperature
9	top_p

Benchmarks · Design Arena

4 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	graphicdesign	1250	5	65.8
2	models	image	1244	5	62.1
3	models	logo	1240	6	61
4	models	imageediting	1252	3	66

API Details

Item	/benchmarks/design_arena/*/arena	/benchmarks/design_arena/*/category	/benchmarks/design_arena/*/elo	/benchmarks/design_arena/*/rank	/benchmarks/design_arena/*/win_rate
1	models	graphicdesign	1250	5	65.8
2	models	image	1244	5	62.1
3	models	logo	1240	6	61
4	models	imageediting	1252	3	66