image generation
Nano Banana 2.1
Google media model, noted in passing in the research notes.
Levelmodel
Classimage generation
Parametersnot in the notes
Contextnot in the notes
Released6 Oct 2026
Opennessproprietary
Runs onnot in the notes
Statusactive
Benchmark Results
independent
Artificial Analysis Text-to-Image Arena AA-Image-T2I v2.0generative media
rank shown as 4-6independent
1,160
5009001,300
Score in Elo; the axis starts at 500, as Elo has no zero. Higher is better.
rank 4, AA Text-to-Image Arena, overall
LMArena Text-to-Image Arenagenerative media
preliminaryindependent
1,328 ±9
1,1001,3001,500
Score in Elo; the axis starts at 1,100, as Elo has no zero. Higher is better.
rank 6, LMArena Text-to-Image, overall, updated 7 Oct 2026
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).
Lineage
successor
Imagen 4 is the parent (successor)low confidencepress claim
Nano Banana 2 (Gemini 3.1 Flash Image) is the parent (successor)high confidencenotesWhere this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 3 models. Confidence and evidence are the notes' own.
R&D Topics
Identity
- Developer
- Google DeepMind, Google
- Family
- Nano Banana
- Released
- 6 Oct 2026 sourcessecondary report
- Weights published
- –
- Record checked
- 10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.
Architecture and Size
- Architecture
- not in the notes Gemini-native
- Total parameters
- – sources
- Active parameters
- –
- Checkpoint parameters
- –
- Context length
- not in the notes
- Input
- text
- Output
- image
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).
Openness and Access
- Openness
- proprietary
- Licence
- Proprietary sources
- Access routes
- API
Where this comes from
The licence file governs over registry tags and aggregator labels.
Deployment
- Runs on
- not in the notes
- Footprint
- Cloud only; Gemini API and Batch API, ID gemini-nano-banana-2.1
- Runtimes
- not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.
Indonesia
- Indonesian support
- not stated
- Regional languages
- not in the notes
- Jakarta hosting
- unknown
- Languages
- not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.
Industry Use Cases
No industry use case links this model.
Links
ModelNano Banana 2.1Google DeepMind, image generation
Nano Banana 2.1Google DeepMind, image generationR&D TopicsText-to-Image Foundation Models (Diffusion and Flow Transformers)Unified Multimodal Models for Understanding and Generation
Use Casesnone recorded
Who Runs Itnone recorded
Models 3
R&D topics 2
Sources
- Models | Gemini API | Google AI for Developers ai.google.dev https://ai.google.dev/gemini-api/docs/models
- Nano Banana 2.1 đã ra mắt: GA, $0.0336 và hạn chót ngày 29/10 orcarouter.ai https://www.orcarouter.ai/vi/blog/nano-banana-2-1-release-date
- AA-Image-T2I v2.0 Leaderboard - Top AI Image Models | Artificial Analysis artificialanalysis.ai https://artificialanalysis.ai/text-to-image/arena/leaderboard-text
- Text-to-Image Leaderboard: Best AI Image Generators arena.ai https://arena.ai/leaderboard/text-to-image
- Google Imagen 4 API shutdown date passed on August 17, 2026 | Kingy AI kingy.ai https://kingy.ai/ai-launch-tracker/google-will-shut-down-three-imagen-4-api-models-august-17/
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Nano Banana 2.1", https://aurion.semai.id/models/google-deepmind-nano-banana-2-1/, records of October 2026.