Price Per TokenPrice Per Token
Google
Google
vs
Moonshotai
Moonshotai

Gemini 2.5 Flash Preview 09-2025 vs Kimi K2 Thinking

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Gemini 2.5 Flash Preview 09-2025 wins:

  • Cheaper input tokens
  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Better at math
  • Supports vision

Kimi K2 Thinking wins:

  • Cheaper output tokens
Price Advantage
Gemini 2.5 Flash Preview 09-2025
Benchmark Advantage
Gemini 2.5 Flash Preview 09-2025
Context Window
Gemini 2.5 Flash Preview 09-2025
Speed
Gemini 2.5 Flash Preview 09-2025

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureGemini 2.5 Flash Preview 09-2025Kimi K2 Thinking
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 09-2025Kimi K2 Thinking
LicenseProprietaryOpen Source
AuthorGoogleMoonshotai
ReleasedUnknownNov 2025

Gemini 2.5 Flash Preview 09-2025 Modalities

Input
textimageaudiovideo
Output
text

Kimi K2 Thinking Modalities

Input
text
Output
text

Frequently Asked Questions

Gemini 2.5 Flash Preview 09-2025 has cheaper input pricing at $0.30/M tokens. Kimi K2 Thinking has cheaper output pricing at $2.00/M tokens.
Gemini 2.5 Flash Preview 09-2025 has a 1,048,576 token context window, while Kimi K2 Thinking has a 131,072 token context window.
Gemini 2.5 Flash Preview 09-2025 supports vision. Kimi K2 Thinking does not support vision.