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HummingBytes benchmark · Tested March 2026

Nano Banana 2 vs Nano Banana Pro: Gemini 3.1 Flash Image vs Gemini 3 Pro Image

Nano Banana 2 is the better default for most users because it stays unusually close to Nano Banana Pro while costing much less and adding exclusive ultra-wide formats.

Nano Banana Pro remains the safer premium fallback when the edit is delicate, the prompt is unusually dense, or the multi-reference scene is complex enough that structural mistakes get expensive.

Compare both models

Nano Banana Pro vs Nano Banana 2 (Quick Summary)

The real tradeoff is not raw quality alone. It is default value versus premium confidence.

1K / 2K / 4K pricing

Nano Banana 2

8 / 12 / 18 credits

Nano Banana Pro

17 / 17 / 29 credits

Best default choice

Nano Banana 2

Most users

Nano Banana Pro

Premium, constraint-heavy workflows

Editing confidence

Nano Banana 2

Strong

Nano Banana Pro

Safer when precision matters

Reference-heavy scenes

Nano Banana 2

Excellent

Nano Banana Pro

More conservative under pressure

Exclusive formats

Nano Banana 2

4:1 and 8:1 supported

Nano Banana Pro

Standard ratio set only

Google grounding

Nano Banana 2

Web Search + Image Search

Nano Banana Pro

Web Search only

Current verdict

Nano Banana 2

Best value and best default

Nano Banana Pro

Best premium fallback

HummingBytes Gemini Benchmark

A shared prompt-and-reference benchmark focused on production realism, edit discipline, and constraint handling.

This current version spans ten production-relevant scenarios: typography, spatial logic, painting style fidelity, long-form layout, logo reduction, edit preservation, and dense multi-reference scene composition.

  • Text Rendering Test
  • Spatial Logic Test (Mirror Paradox)
  • Typography + Poster Composition Test
  • Painting Style Fidelity (Luminism)
  • Restaurant Menu Editorial Layout
  • Minimal Brand Logo Creation
  • Identity-Preserving Background Change
  • Physical Sign Text Edit
  • Four-Reference Character Composition
  • Six-Person Object Mapping Test

Quick Rule of Thumb

  • Start with Nano Banana 2 when you want the best price-to-quality ratio.
  • Move to Nano Banana Pro when the edit is delicate or the prompt is dense enough that mistakes are expensive.
  • Choose Nano Banana 2 immediately if you need ultra-wide 4:1 or 8:1 outputs.

Nano Banana 2 only

Exclusive Nano Banana 2 Capability

Ultra-wide outputs and Google Image Search grounding

We keep these capabilities out of the shared benchmark because Nano Banana Pro does not enter the same tests. But they are still real product differences: Nano Banana 2 uniquely supports 4:1 and 8:1 outputs inside HummingBytes, and it is the only Gemini image workflow here with Google Image Search grounding.

  • Useful for landing page hero banners and social headers.
  • Lets the model ground on real Google image results when visual reference matters.
  • Lets you generate cinematic panoramic compositions without manual stitching.
  • One of the clearest reasons to choose Nano Banana 2 even when shared quality is close.

Ultra-wide outputs from Nano Banana 2

These visuals are shown as capability examples rather than scored benchmarks. Nano Banana Pro does not support these aspect ratios in the same workflow, so the right framing is product capability, not head-to-head winner language.

4:1 website hero format

A wide cinematic frame for landing page hero banners, campaign headers, and editorial mastheads.

4:1
Nano Banana 2 ultra-wide 4:1 showcase image

8:1 panoramic banner format

An extreme panoramic strip that works for full-bleed website headers and dramatic branded compositions.

8:1
Nano Banana 2 ultra-wide 8:1 showcase image

Image Generation Comparisons

These are real outputs generated inside HummingBytes with matched prompts and settings.

For prompt-only tests, drag the slider to compare Nano Banana 2 against Nano Banana Pro. For multi-reference tests, review the uploaded references first and then compare the generated outputs.

Text Rendering Test

What this test checks

A direct typography benchmark using the same printed-ticket prompt on both Gemini models. This is useful because the outputs are both strong, but subtle spacing, hierarchy, and small-text fidelity still matter in production.

Verdict:

Nano Banana 2

Why this winner

Nano Banana 2 wins by a narrow margin here because the text and layout read more clearly, even if Nano Banana Pro looks slightly more photographic overall.

Nano Banana 2Nano Banana Pro
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Spatial Logic & Physics (Mirror Paradox)

What this test checks

This remains one of the cleanest shared tests for high-end models because it measures spatial reasoning rather than pure aesthetics.

Verdict:

Nano Banana Pro

Why this winner

Both models perform unusually well, but Nano Banana Pro has a small edge in overall composition, realism, and lighting.

Nano Banana 2Nano Banana Pro
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Typography + Poster Composition

What this test checks

Both models already clear a high baseline here. This test helps reveal whether one is better at balancing premium product composition with exact hierarchy and negative space.

Verdict:

Too close to call

Why this winner

This is a premium-art-direction test, not an easy knockout. The better result will often depend on whether you value composition restraint or stronger visual punch.

Nano Banana 2Nano Banana Pro
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Four-Reference Character Composition

What this test checks

This scenario pushes both models beyond single-subject likeness. Four separate identities must be preserved while each person performs a different action in the same scene.

Verdict:

Nano Banana Pro

Why this winner

Nano Banana Pro wins by a small margin because it follows the requested lighting conditions more accurately across the full four-character scene.

Nano Banana 2Nano Banana Pro
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Reference Images

Reference image A for four-character test
Reference image B for four-character test
Reference image C for four-character test
Reference image D for four-character test

Six-Person Object Mapping Test

What this test checks

This is the harder version of the multi-reference benchmark: six people, six distinct objects, one scene, and no identity blending or object sharing.

Verdict:

Nano Banana Pro

Why this winner

Nano Banana Pro wins by a small margin because the scene feels more integrated and socially coherent, with slightly better lighting across the group.

Nano Banana 2Nano Banana Pro
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Reference Images

Reference image A for six-person object mapping test
Reference image B for six-person object mapping test
Reference image C for six-person object mapping test
Reference image D for six-person object mapping test
Reference image E for six-person object mapping test
Reference image F for six-person object mapping test

Painting Style Fidelity (Luminism)

What this test checks

This benchmark is about style obedience rather than generic beauty. The key question is whether the model actually channels luminism through light handling, atmosphere, and tonal restraint instead of defaulting to a broader cinematic look.

Verdict:

Nano Banana Pro

Why this winner

Nano Banana Pro wins because it captures the luminism brief with more faithful lighting and a scene mood that feels closer to the requested painting tradition. Nano Banana 2 looks more cinematic and vibrant, which weakens the style match.

Nano Banana 2Nano Banana Pro
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Restaurant Menu Editorial Layout

What this test checks

This is a long-form layout and typography stress test. Both models have to typeset a dense luxury menu, preserve the exact requested copy, and make the result feel like a premium printed sheet rather than a generic food mockup.

Verdict:

Nano Banana Pro

Why this winner

Nano Banana Pro wins because it delivers a cleaner, more upscale menu with stronger editorial hierarchy, which is exactly what the prompt asked for. Nano Banana 2 also makes a structural mistake by placing the service-charge line outside the menu sheet.

Nano Banana 2Nano Banana Pro
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Minimal Brand Logo Creation

What this test checks

Logo generation is a reduction test, not a detail contest. The better output is the one that respects the requested brand color, keeps the silhouette simple, and still feels recognizable as a clean vector-style mark at small sizes.

Verdict:

Nano Banana 2

Why this winner

Nano Banana 2 wins because it stays closer to the requested #ff97cc color and keeps the hummingbird form simpler and more logo-like. Nano Banana Pro is still strong, but it is less strict about the minimal flat-vector brief.

Nano Banana 2Nano Banana Pro
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Try Nano Banana 2 on HummingBytes

Run the same prompt on Nano Banana 2 and Nano Banana Pro in one workspace, then decide based on your own workload rather than marketing claims.

Compare both models

Image Editing Comparisons

Both models received the same source image and the same instruction for each edit.

These tests measure whether the model edits only what was asked while preserving identity, framing, materials, and lighting.

Identity-Preserving Background Change

What this test checks

Both models receive the same portrait and must replace only the environment while keeping the subject intact. This is a practical edit benchmark, not a beauty test.

Verdict:

Tie

Why this winner

This one is effectively a tie. Both models preserve identity and execute the background swap at an unusually high level.

InputNano Banana 2
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Compare input vs

Text Replacement on Physical Sign

What this test checks

This benchmark checks whether a model can edit a real photographed sign locally without disturbing the scene around it.

Verdict:

Nano Banana 2

Why this winner

Nano Banana 2 wins this edit test because it preserves more of the original board and surrounding image while still making the required text change.

InputNano Banana 2
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Compare input vs

Nano Banana 2 is the better default

Lower pricing · 4:1 and 8:1 support · strong quality across shared tests

If you need one Gemini model to start with, Nano Banana 2 is easier to recommend. It is substantially cheaper at every size tier, still performs at a high level in the shared benchmark, and adds ultra-wide formats that Nano Banana Pro does not currently expose.

  • 8 / 12 / 18 credits for 1K / 2K / 4K.
  • Exclusive 4:1 and 8:1 aspect ratios.
  • Exclusive Google Image Search grounding for real visual references.
  • Strong enough that several tests are genuinely too close to call.

Nano Banana Pro is the safer premium fallback

Higher cost · stronger edit conservatism · better under dense constraints

Nano Banana Pro still makes sense when the task is fragile and the cost of mistakes is high. In this benchmark, it remains the safer choice for precision-preserving edits and the densest multi-subject scene.

  • More conservative on “change only one thing” edits.
  • Safer when object-to-person mappings become dense.
  • Good premium fallback when you want more caution than speed.
Workflow at scale

Need to generate at scale?

Whichever model you choose, HummingBytes lets you batch prompts, reference images, and aspect ratios in one workflow so production does not happen one click at a time.

FAQ: Nano Banana Pro vs Nano Banana 2

Is Nano Banana Pro clearly better than Nano Banana 2?

No. In this benchmark, both models are excellent. Nano Banana 2 looks like the better default for most users because it is much cheaper and still performs at a very high level, while Nano Banana Pro remains the safer premium option for delicate editing and dense constraint-heavy prompts.

Which model should I start with?

Start with Nano Banana 2 if you want the best price-to-quality ratio. Move to Nano Banana Pro when the edit is high-stakes or the prompt is unusually fragile.

Why does this page avoid forcing a winner in every test?

Because the outputs are genuinely close. For two models this strong, honest comparison is more useful than pretending every benchmark has a dramatic winner.

Does Nano Banana 2 really support ultra-wide outputs?

Yes. Inside HummingBytes, Nano Banana 2 supports 4:1 and 8:1 aspect ratios, which Nano Banana Pro does not currently expose in the same workflow.

How do Nano Banana 2 and Nano Banana Pro differ on search grounding?

Both models support standard Google web search grounding in HummingBytes, but only Nano Banana 2 supports Google Image Search grounding. That means Nano Banana 2 can ground on visual search results when you want the model anchored to real image references, while Nano Banana Pro stays limited to web-search grounding.

Can I use both models in one workspace?

Yes. A practical setup is using Nano Banana 2 as the default generation model and switching to Nano Banana Pro for sensitive edits or complex multi-reference scenes.

Where can I see more comparisons?

You can browse the comparisons hub and the Nano Banana Pro vs Seedream 4.5 comparison for more context on how these models sit in the wider market.

How did you run this benchmark?

All outputs shown on this page were generated inside HummingBytes using the same prompt, aspect ratio, image-size settings, and, where applicable, the same uploaded references for both models. For each shared prompt, we generated four images per model and selected the strongest result from each set. No manual image editing was used to improve the benchmark examples shown here. This is a live benchmark page: additional scenarios will be added as we finish generating more matched asset pairs. Pricing and workflow support reflect the current product configuration as of March 10, 2026.