Price Per TokenPrice Per Token
Anthropic
Anthropic
vs
Google
Google

Claude Sonnet 4.5 vs Gemini 2.5 Flash

A detailed comparison of pricing, benchmarks, and capabilities

Get our weekly newsletter on pricing changes, new releases, and tools.

Join the Price Per Token Community

Key Takeaways

Claude Sonnet 4.5 wins:

  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Better at math

Gemini 2.5 Flash wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Larger context window
Price Advantage
Gemini 2.5 Flash
Benchmark Advantage
Claude Sonnet 4.5
Context Window
Gemini 2.5 Flash
Speed
Claude Sonnet 4.5

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureClaude Sonnet 4.5Gemini 2.5 Flash
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyClaude Sonnet 4.5Gemini 2.5 Flash
LicenseProprietaryProprietary
AuthorAnthropicGoogle
ReleasedSep 2025Jun 2025

Claude Sonnet 4.5 Modalities

Input
textimagefile
Output
text

Gemini 2.5 Flash Modalities

Input
fileimagetextaudiovideo
Output
text

Related Comparisons

See all model comparisons

Frequently Asked Questions

Gemini 2.5 Flash has cheaper input pricing at $0.30/M tokens. Gemini 2.5 Flash has cheaper output pricing at $2.50/M tokens.
Claude Sonnet 4.5 has a 1,000,000 token context window, while Gemini 2.5 Flash has a 1,048,576 token context window.
Claude Sonnet 4.5 supports vision. Gemini 2.5 Flash supports vision.

Built by @aellman

Archive
Follow us:
Advertise | Terms of Service | Privacy Policy

2026 68 Ventures, LLC. All rights reserved.