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Gemini 2.5 Flash Image (Nano Banana) vs Gemma 4 31B Instruct

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Gemini 2.5 Flash Image (Nano Banana) wins:

  • No clear advantages in compared metrics

Gemma 4 31B Instruct wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
Price Advantage
Gemma 4 31B Instruct
Benchmark Advantage
Gemma 4 31B Instruct
Context Window
Gemma 4 31B Instruct
Speed
Gemma 4 31B Instruct

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureGemini 2.5 Flash Image (Nano Banana)Gemma 4 31B Instruct
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyGemini 2.5 Flash Image (Nano Banana)Gemma 4 31B Instruct
LicenseProprietaryProprietary
AuthorGoogleGoogle
ReleasedOct 2025Apr 2026

Gemini 2.5 Flash Image (Nano Banana) Modalities

Input
imagetext
Output
imagetext

Gemma 4 31B Instruct Modalities

Input
imagetextvideo
Output
text

Frequently Asked Questions

Gemma 4 31B Instruct has cheaper input pricing at $0.14/M tokens. Gemma 4 31B Instruct has cheaper output pricing at $0.40/M tokens.
Gemini 2.5 Flash Image (Nano Banana) has a 32,768 token context window, while Gemma 4 31B Instruct has a 262,144 token context window.
Gemini 2.5 Flash Image (Nano Banana) supports vision. Gemma 4 31B Instruct supports vision.