Model Comparison

Claude Opus 4.5GPT-5 Mini
Let's see who can write code better - Claude Opus 4.5 or GPT-5 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

GPT-5 Mini

OpenAI

Description

Smaller, more efficient version of GPT-5

Specifications

Context Window272K
Max Output8K
ReleasedJun 2025
API✓

Pricing (per 1M)

In / Out
$0.25/ $2

Key Features

Cost-effectiveGood performanceGPT-5 architecture

Strengths

  • ✓Lower cost
  • ✓Still very capable
  • ✓Fast inference

Weaknesses

  • ✗Not yet released
  • ✗Reduced capabilities vs full GPT-5

Agent Support