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Gemini 2.5 Flash Preview 09-2025 vs Gemma 4 31B Instruct

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Gemini 2.5 Flash Preview 09-2025 wins:

  • Larger context window
  • Better at math
  • Has reasoning mode

Gemma 4 31B Instruct wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
Price Advantage
Gemma 4 31B Instruct
Benchmark Advantage
Gemma 4 31B Instruct
Context Window
Gemini 2.5 Flash Preview 09-2025
Speed
Gemma 4 31B Instruct

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureGemini 2.5 Flash Preview 09-2025Gemma 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 Preview 09-2025Gemma 4 31B Instruct
LicenseProprietaryProprietary
AuthorGoogleGoogle
ReleasedUnknownApr 2026

Gemini 2.5 Flash Preview 09-2025 Modalities

Input
textimageaudiovideo
Output
text

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.
Gemma 4 31B Instruct scores higher on coding benchmarks with a score of 38.7, compared to Gemini 2.5 Flash Preview 09-2025's score of 22.1.
Gemini 2.5 Flash Preview 09-2025 has a 1,048,576 token context window, while Gemma 4 31B Instruct has a 262,144 token context window.
Gemini 2.5 Flash Preview 09-2025 supports vision. Gemma 4 31B Instruct supports vision.