GPT-5.2 vs GPT-5.2 o1
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
GPT-5.2 Thinking
GPT-5.2 Thinking edges out GPT-5.2 Instant with superior overall performance and features that make it the better choice for most users.
Try GPT-5.2 o1Feature Comparison
Feature
GPT-5.2
GPT-5.2 o1
Ratings
Overall Rating
4.8
4.9
Coding
4.6
4.8
Writing
4.8
4.5
Reasoning
4.7
5.0
Speed
4.9
3.8
Value
4.7
4.0
Pricing
Monthly Price
$20
$200
Free Tier
Input (per 1M tokens)
$2.5
$15
Output (per 1M tokens)
$10
$60
Features
Context Window
128K
128K
Vision/Images
Audio
Video
Code Generation
AI Agents
GPT-5.2 Instant
Pros
- Newest OpenAI model (Dec 2025)
- Fast responses optimized for speed
- 30% fewer hallucinations than GPT-5.1
- Knowledge cutoff August 2025
- Better at spreadsheets and presentations
- Matches human experts on professional tasks
Cons
- Not as strong as Thinking variant for complex tasks
- Requires paid subscription for full access
- Coding not as strong as Claude Opus 4.5
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 GPT-5.2 if you need:
Daily tasks, writing, translation, quick coding help
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.