Model Comparison

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

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

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