GPT-5.2 o1 vs Janitor AI

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

Winner
OpenAI

GPT-5.2 Thinking

4.9
Try GPT-5.2 o1
Janitor AI

Janitor AI

4.3
Try Janitor AI
Our Pick
GPT-5.2 Thinking

GPT-5.2 Thinking edges out Janitor AI with superior overall performance and features that make it the better choice for most users.

Try GPT-5.2 o1

Feature Comparison

Feature
GPT-5.2 o1
Janitor AI
Ratings
Overall Rating
4.9
4.3
Coding
4.8
-
Writing
4.5
-
Reasoning
5.0
-
Speed
3.8
-
Value
4.0
4.6
Pricing
Monthly Price
$200
$9.99
Free Tier
Input (per 1M tokens)
$15
-
Output (per 1M tokens)
$60
-
Features
Context Window
128K
-
Vision/Images
Audio
Video
Code Generation
AI Agents

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

Janitor AI

Pros

  • 18 million+ custom characters
  • NSFW content allowed
  • 100+ language support
  • OpenAI/Claude API integration
  • Emotionally aware conversations

Cons

  • UK access blocked (July 2025)
  • Pro needed for full features

Choose GPT-5.2 o1 if you need:

Complex reasoning, software engineering, research, math proofs

Choose Janitor AI if you need:

NSFW roleplay, custom characters, multilingual chat

Ready to get started?

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