Google releases Gemini 2.5 Flash Image (‘Nano Banana’)
Partly confirmed
The takeaway
Google launched Gemini 2.5 Flash Image, nicknamed ‘Nano Banana’, an image generation and editing model notable for character consistency and conversational multi-turn editing, which drove a surge of Gemini app adoption.
Status
- Claim
Partly confirmed
- Our reporting
- Medium confidence
- Importance
- 3 of 5
- Last verified
- 29 September 2026
Your AI and this story
- GPT-6 AstraIn its training data
- Claude Opus 5.5In its training data
- Gemini 4 HydrogenIn its training data
- Grok 4.7In its training data
It happened before the cutoffs of all four assistants, so it can be in their training data.
Key facts
- Released 26 August 2025
- Topped LMArena image-editing leaderboard under the codename ‘nano-banana’ before launch
- Strong character/subject consistency across edits
- Outputs carry SynthID invisible watermark
What happened
Google shipped an image model that made precise, prompt-based photo editing a viral consumer phenomenon.
Why it matters
Showed natively multimodal LLMs overtaking specialized diffusion tools for image editing.
Sources
3 sources from 3 sites. Numbers match the chips in the text.
3 sources: 2 primary, 1 reaction
Primary
- Introducing Gemini 2.5 Flash Image (Google Developers Blog)developers.googleblog.com, official
- Image editing in Gemini just got a major upgrade (Google)blog.google, official
Reactions
- Wikipedia: Nano Bananaen.wikipedia.org, discussion
Changes
- Filed