Model Comparison

Claude Opus 4.5Claude Opus 4
Let's see who can write code better - Claude Opus 4.5 or Claude Opus 4

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

Anthropic

Description

Next-generation flagship model with enhanced capabilities

Specifications

Context Window200K
Max Output8K
ReleasedJan 2025
API✓

Pricing (per 1M)

In / Out
$15/ $75

Key Features

Next-gen capabilitiesEnhanced reasoningAdvanced code generationMulti-modal support

Strengths

  • ✓State-of-the-art performance
  • ✓Superior capabilities
  • ✓Advanced problem solving
  • ✓Excellent context handling

Weaknesses

  • ✗Premium pricing
  • ✗Slower inference
  • ✗Resource intensive

Agent Support