Model Comparison

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

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 Pro

Google

Description

Multimodal model with massive context window up to 2M tokens (deprecated - no longer available in API)

Specifications

Context Window2.0M
Max Output8K
ReleasedMay 2024
API✓

Pricing (per 1M)

In / Out
$1.25/ $5

Key Features

Massive context windowMultimodal understandingCode executionAudio processingVideo understanding

Strengths

  • ✓Largest context window available
  • ✓Strong multimodal capabilities
  • ✓Good at following instructions
  • ✓Excellent for document analysis

Weaknesses

  • ✗Can be slow with large contexts
  • ✗API availability limitations
  • ✗Inconsistent performance

Agent Support

No known agents