Model Comparison

Claude Sonnet 4.5Gemini 1.5 Flash
Let's see who can write code better - Claude Sonnet 4.5 or Gemini 1.5 Flash

Model Information

Claude Sonnet 4.5

Anthropic

Description

Balanced Claude 4.5 model with excellent performance

Specifications

Context Window200K
Max Output8K
ReleasedSep 2025
API✓

Pricing (per 1M)

In / Out
$3/ $15

Key Features

Balanced performanceAdvanced reasoningCode generationMulti-modal capabilities

Strengths

  • ✓Good price-performance ratio
  • ✓Versatile capabilities
  • ✓Fast inference
  • ✓Strong at most tasks

Weaknesses

  • ✗Not as powerful as Opus
  • ✗Higher cost than Haiku
  • ✗May struggle with very complex tasks

Agent Support

No known agents

Gemini 1.5 Flash

Google

Description

Fast and efficient multimodal model optimized for speed (deprecated - no longer available in API)

Specifications

Context Window1.0M
Max Output8K
ReleasedMay 2024
API✓

Pricing (per 1M)

In / Out
$0.075/ $0.3

Key Features

Fast inferenceLarge context windowMultimodalCost-effective

Strengths

  • ✓Very fast responses
  • ✓Good balance of capability and speed
  • ✓Affordable pricing
  • ✓Strong for its size

Weaknesses

  • ✗Less capable than Pro version
  • ✗May struggle with complex reasoning
  • ✗Limited availability in some regions

Agent Support

No known agents