UltraGPT
Google: Nano Banana Pro (Gemini 3 Pro Image)
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...
Intelligence overview
131.1K tok
Context window
32.8K tok
Max output
What Google: Nano Banana Pro (Gemini 3 Pro Image) can do.
Reasoning
Extended reasoning
Works through problems step by step before answering, trading latency for accuracy on harder tasks.
Multimodal
Image understanding
Reads and reasons over images alongside text in the same prompt.
Development
Tool calling
Calls external functions mid-response, then continues reasoning from the result.
Structured output
Returns responses constrained to a JSON schema, ready to parse without cleanup.
Streaming
Streams tokens as they're generated instead of waiting on the full response.
Pay for what you use.
Every model in UltraGPT runs behind one flat subscription — this is the underlying per-token cost the catalog tracks.
$2 / 1M tok
$12 / 1M tok
Built for serious work.
Build
Generate and refactor code, with the ability to run and verify tool calls and return structured, parseable output.
Think
Works through multi-step problems with extended reasoning before it answers.
Research
Holds up to 131.1K tokens of source material in context without losing the thread.
Create
Works across Image and Text output for richer creative work.
Automate
Chains tool calls across multi-step workflows, reasoning between each one.
Ask Google: Nano Banana Pro (Gemini 3 Pro Image) anything.
A preview of the real UltraGPT composer — the model you see here is the model you get.
Continues in the UltraGPT app — one login, every model.
How Google: Nano Banana Pro (Gemini 3 Pro Image) stacks up.
The closest models in the catalog by provider, capability and score — real entries, pulled from the same directory.
Technical details.
Specification
- Context window
- 131.1K tokens
- Max output
- 32.8K tokens
- Input modalities
- Image + Text
- Output modalities
- Image + Text
- Knowledge cutoff
- Jan 1, 2025
- Release date
- May 28, 2026
- Streaming
- Supported
- Tool calling
- Supported
- JSON mode
- Supported
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