GPT-5.2 o1 vs Perplexity

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
Perplexity AI

Perplexity AI

4.6
Try Perplexity
Our Pick
GPT-5.2 Thinking

GPT-5.2 Thinking edges out Perplexity 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
Perplexity
Ratings
Overall Rating
4.9
4.6
Coding
4.8
3.5
Writing
4.5
4.2
Reasoning
5.0
4.4
Speed
3.8
4.8
Value
4.0
4.7
Pricing
Monthly Price
$200
$20
Free Tier
Input (per 1M tokens)
$15
-
Output (per 1M tokens)
$60
-
Features
Context Window
128K
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

Perplexity AI

Pros

  • Real-time web access
  • Cites all sources
  • Great for research
  • Fast responses
  • Generous free tier

Cons

  • Not as capable for coding
  • Writing not as polished
  • Limited context for complex tasks

Choose GPT-5.2 o1 if you need:

Complex reasoning, software engineering, research, math proofs

Choose Perplexity if you need:

Research, fact-checking, current events

Ready to get started?

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