google logo
Gemini 2.5 Flash Lite
vs
anthropic logo
Claude Sonnet 4.5

Compare performance metrics, pricing, and capabilities of these AI models.

Key Differences
Context Length
Better
Gemini 2.5 Flash Lite: 1.0M (advantage)
Claude Sonnet 4.5: 1.0M (disadvantage)
Cost Efficiency
Lower Cost
Prompt: $0.10M vs $3.00M
Completion: $0.40M vs $15.00M

Capabilities

Gemini 2.5 Flash Lite
Modality: text+image->text
Inputs: file, image, text, audio
Claude Sonnet 4.5
Modality: text+image->text
Inputs: text, image, file
G
Gemini 2.5 Flash Lite
google/gemini-2.5-flash-lite

Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency. It offers improv...

Context Length1.0M
Prompt Price$0.10M
ReleasedJuly 22, 2025
Supports:
text+image->text
A
Claude Sonnet 4.5
anthropic/claude-sonnet-4.5

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-ar...

Context Length1.0M
Prompt Price$3.00M
ReleasedSeptember 29, 2025
Supports:
text+image->text
Detailed Comparison
Feature
google logo
Gemini 2.5 Flash Lite
anthropic logo
Claude Sonnet 4.5
Context Length1.0M1.0M
Prompt Price$0.10M$3.00M
Completion Price$0.40M$15.00M
Modalitytext+image->texttext+image->text
Release DateJuly 22, 2025September 29, 2025
Analysis & Recommendations

Quick Summary

This comparison reveals key trade-offs between Gemini 2.5 Flash Lite and Claude Sonnet 4.5. Gemini 2.5 Flash Lite offers a larger context window of 1.0M compared to Claude Sonnet 4.5's 1.0M, though Claude Sonnet 4.5 comes at a higher cost.

Gemini 2.5 Flash Lite Strengths

  • Larger context window (1.0M) for processing longer documents
  • More cost-effective per token
  • Multimodal capabilities for image analysis
  • Proven and stable model

Claude Sonnet 4.5 Strengths

  • Competitive context size (1.0M)
  • Premium pricing for high-quality output
  • Multimodal capabilities for image analysis
  • Latest generation model

When to Use Each Model

Choose Gemini 2.5 Flash Lite when:
  • • You need the larger context window for complex tasks
  • • Cost efficiency is important in your use case
  • • Working with images and text that benefit from multimodal processing
Choose Claude Sonnet 4.5 when:
  • • You need competitive context capability for long-form content
  • • Cost efficiency is not the primary concern for your budget
  • • Working with images and text that require careful analysis
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