Model Comparison

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

Model Information

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

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