CustomGPT vs GPT-5.2
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
GPT-5.2 Instant
GPT-5.2 Instant edges out CustomGPT with superior overall performance and features that make it the better choice for most users.
Try GPT-5.2Feature Comparison
Feature
CustomGPT
GPT-5.2
Ratings
Overall Rating
4.4
4.8
Coding
-
4.6
Writing
4.0
4.8
Reasoning
4.0
4.7
Speed
4.5
4.9
Value
4.3
4.7
Pricing
Monthly Price
$49
$20
Free Tier
Input (per 1M tokens)
-
$2.5
Output (per 1M tokens)
-
$10
Features
Context Window
100K
128K
Vision/Images
Audio
Video
Code Generation
AI Agents
CustomGPT
Pros
- No-code chatbot builder
- Train on your own data
- Great for customer service
- Easy to deploy on websites
- MIT case study validation
Cons
- Not for coding tasks
- Limited customization vs building from scratch
- Pricing can add up with usage
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
Choose CustomGPT if you need:
Business chatbots, customer service, knowledge bases
Choose GPT-5.2 if you need:
Daily tasks, writing, translation, quick coding help
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.