Model Comparison

Claude Opus 4.1Claude Opus 4.5
Let's see who can write code better - Claude Opus 4.1 or Claude Opus 4.5

Model Information

Claude Opus 4.1

Anthropic

Description

Most advanced Claude model with enhanced capabilities

Specifications

Context Window200K
Max Output8K
ReleasedFeb 2025
API✓

Pricing (per 1M)

In / Out
$15/ $75

Key Features

State-of-the-art reasoningAdvanced code generationComplex problem solvingMulti-language supportVision capabilities

Strengths

  • ✓Best-in-class performance
  • ✓Superior reasoning abilities
  • ✓Excellent at complex tasks
  • ✓Most advanced Claude model

Weaknesses

  • ✗Highest cost
  • ✗Slower response times
  • ✗Overkill for simple tasks

Agent Support

Claude Opus 4.5

Anthropic

Description

Most advanced Claude model with enhanced capabilities

Specifications

Context Window200K
Max Output8K
ReleasedNov 2025
API✓

Pricing (per 1M)

In / Out
$5/ $25

Key Features

State-of-the-art reasoningAdvanced code generationComplex problem solvingMulti-language supportVision capabilities

Strengths

  • ✓More affordable than 4.1
  • ✓Superior reasoning abilities
  • ✓Excellent at complex tasks
  • ✓Most advanced Claude model

Weaknesses

  • ✗Higher cost
  • ✗Slower response times
  • ✗Overkill for simple tasks

Agent Support

No known agents