Claude Code vs GPT-5.2 o1

A detailed comparison to help you choose the right AI tool for your needs.

Anthropic

Claude Code

4.9
Try Claude Code
OpenAI

GPT-5.2 Thinking

4.9
Try GPT-5.2 o1

Feature Comparison

Feature
Claude Code
GPT-5.2 o1
Ratings
Overall Rating
4.9
4.9
Coding
5.0
4.8
Writing
4.5
4.5
Reasoning
4.8
5.0
Speed
4.3
3.8
Value
4.6
4.0
Pricing
Monthly Price
$20
$200
Free Tier
Input (per 1M tokens)
$5
$15
Output (per 1M tokens)
$25
$60
Features
Context Window
200K
128K
Vision/Images
Audio
Video
Code Generation
AI Agents

Claude Code

Pros

  • Highest SWE-bench score (72.7%)
  • Agentic codebase navigation
  • Full Git/GitHub integration
  • Rewind feature for code rollback
  • MCP support out of the box

Cons

  • Requires Pro subscription ($20/mo)
  • Slower than simpler tools for basic tasks

GPT-5.2 Thinking

Pros

  • Best reasoning model from OpenAI
  • Edges out Gemini 3 and Claude Opus 4.5 on most tests
  • Performs at/above human expert level on GDPval
  • Excellent for coding, math, and document analysis
  • State-of-the-art on SWE-Bench Pro

Cons

  • Expensive ($200/mo for Pro subscription)
  • Slower than Instant variant
  • Requires Pro subscription for full access
  • Writing can feel robotic

Choose Claude Code if you need:

Complex refactoring, architecture work, autonomous agent development

Choose GPT-5.2 o1 if you need:

Complex reasoning, software engineering, research, math proofs

Ready to get started?

Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.