Gemini image / Nano Banana; legacy Imagen
Google image catalog groups native Gemini image models with legacy Imagen; these are distinct model families, not interchangeable names.
Models #
- Name
- Nano Banana 2.1
- Version
- gemini-nano-banana-2.1
- Status
- Stable; latest update October 2026
- Name
- Nano Banana 2
- Version
- gemini-3.1-flash-image
- Status
- Listed in current pricing and guide
- Name
- Nano Banana 2 Lite
- Version
- gemini-3.1-flash-lite-image
- Status
- Listed in current pricing and guide
- Name
- Nano Banana Pro
- Version
- gemini-3-pro-image
- Status
- Stable; model latest-update field November 2025
- Name
- Nano Banana
- Version
- gemini-2.5-flash-image
- Status
- Earlier model documented; lifecycle not separately checked
- Name
- Imagen
- Version
- Not established from reviewed sources
- Status
- Shut down in Gemini API
Products #
- Name
- Google AI Studio
- Relationship
- Developer interface linked by model pages
- Ui access
- Try-in-Studio links present; check limits for the intended account
- Api access
- Gemini API documented separately
- Name
- Gemini API
- Relationship
- Programmatic model service
- Ui access
- Not established from reviewed sources
- Api access
- Native image generation and conversational editing; Imagen no longer available here
Capabilities #
- Task
- Nano Banana 2.1 generation/editing
- Inputs
- Text
- Images
- Video
- Outputs
- Image
- Text
- Resolutions
- 1K
- 2K
- 4K
- Formats
- PNG
- JPEG examples
- Limitations
- Up to 14 references: 4-character consistency / 10-object fidelity
- No audio generation, function calling, structured outputs or caching
- Task
- Nano Banana Pro generation/editing
- Inputs
- Text
- Images
- Outputs
- Image
- Text
- Resolutions
- 1K
- 2K
- 4K
- Formats
- PNG examples
- Limitations
- No audio/video input documented
- Search grounding supported; not a factuality guarantee
- Task
- Family differences
- Inputs
- Model-dependent
- Outputs
- Images
- Resolutions
- Flash Image additionally supports 512px
- Flash Lite Image only 1K
- Formats
- Not recorded, not necessarily unsupported
- Limitations
- SynthID watermark included
- No audio input
- Requested output count may not be followed
Pricing #
- Scope
- API_standard
- Model or product
- Nano Banana 2.1
- Amount
- 1.5
- Currency
- USD
- Unit
- million input tokens
- Conditions
- Text/image/video
- Checked at
- 2026-10-21
- Tax status
- Not normalized; consult linked provider terms/region before quoting a checkout total.
- Scope
- API_standard
- Model or product
- Nano Banana 2.1
- Amount
- 30
- Currency
- USD
- Unit
- million image output tokens
- Conditions
- Text/thinking output separately $7.50/million
- Checked at
- 2026-10-21
- Tax status
- Not normalized; consult linked provider terms/region before quoting a checkout total.
- Scope
- API_standard
- Model or product
- Nano Banana 2.1
- Amount
- 0.0336
- Currency
- USD
- Unit
- 1K output image
- Conditions
- Output-only equivalent; input and optional grounding additional
- Checked at
- 2026-10-21
- Tax status
- Not normalized; consult linked provider terms/region before quoting a checkout total.
- Scope
- API_standard
- Model or product
- Nano Banana 2.1
- Amount
- 0.0504
- Currency
- USD
- Unit
- 2K output image
- Conditions
- Output-only equivalent
- Checked at
- 2026-10-21
- Tax status
- Not normalized; consult linked provider terms/region before quoting a checkout total.
- Scope
- API_standard
- Model or product
- Nano Banana 2.1
- Amount
- 0.113
- Currency
- USD
- Unit
- 4K output image
- Conditions
- Official rounded output-only equivalent
- Checked at
- 2026-10-21
- Tax status
- Not normalized; consult linked provider terms/region before quoting a checkout total.
- Scope
- API_batch
- Model or product
- Nano Banana 2.1
- Amount
- 15
- Currency
- USD
- Unit
- million image output tokens
- Conditions
- Batch processing
- Checked at
- 2026-10-21
- Tax status
- Not normalized; consult linked provider terms/region before quoting a checkout total.
- Scope
- UI_subscription
- Model or product
- Gemini app / Google AI plans
- Amount
- Not established from reviewed sources
- Currency
- Not established from reviewed sources
- Unit
- subscription
- Conditions
- Not checked; distinct from developer API billing
- Checked at
- 2026-10-21
- Tax status
- Not normalized; consult linked provider terms/region before quoting a checkout total.
Commercial use #
- Summary
- Developer services are for professional/business use. Google does not claim ownership of generated content; users remain responsible for lawful use and applicable attribution. This is not a guarantee of uniqueness or third-party rights clearance.
Privacy #
- Summary
- Unpaid services generally use prompts/responses for improvement and may involve human review: do not submit confidential data. Paid services do not use prompts/responses for improvement, but retain limited safety logs. EEA/Switzerland/UK exceptions and billing-linked AI Studio accounts receive paid-service handling.
Contradictions #
No information recorded in this section. This is not evidence of absence.
Unknowns #
Sources #
- Nano Banana image generation ↗
Reviewed 2026-10-21 · Evidence status: official page read · Provider-owned source.
- Gemini Developer API pricing ↗
Reviewed 2026-10-21 · Evidence status: official page read · Provider-owned source.
- Gemini Nano Banana 2.1 ↗
Reviewed 2026-10-21 · Evidence status: official page read · Page updated 2026-10-06; model update October 2026.
- Gemini 3 Pro image ↗
Reviewed 2026-10-21 · Evidence status: official page read · Page updated 2026-09-03; model update November 2025.
- Generate images using Imagen ↗
Reviewed 2026-10-21 · Evidence status: official page read · Shutdown notice; page updated 2026-09-17.
- Gemini API Additional Terms of Service ↗
Reviewed 2026-10-21 · Evidence status: official page read · Effective 2026-03-23; developer-service scope.