Model Comparison

Claude Sonnet 4.5OpenAI o4-mini
Let's see who can write code better - Claude Sonnet 4.5 or OpenAI o4-mini

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

OpenAI o4-mini

OpenAI

Description

Future iteration of reasoning models

Specifications

Context Window200K
Max Output66K
ReleasedJun 2025
API✓

Pricing (per 1M)

In / Out
$1.1/ $4.4

Key Features

Advanced reasoningFuture capabilitiesEfficient processing

Strengths

  • ✓Next-gen reasoning
  • ✓Improved efficiency
  • ✓Better performance

Weaknesses

  • ✗Not yet released
  • ✗Purely speculative

Agent Support