CustomGPT vs Sonnet 4.5
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
Claude Sonnet 4.5
Claude Sonnet 4.5 edges out CustomGPT with superior overall performance and features that make it the better choice for most users.
Try Sonnet 4.5Feature Comparison
Feature
CustomGPT
Sonnet 4.5
Ratings
Overall Rating
4.4
4.8
Coding
-
4.7
Writing
4.0
4.9
Reasoning
4.0
4.7
Speed
4.5
4.6
Value
4.3
4.9
Pricing
Monthly Price
$49
$20
Free Tier
Input (per 1M tokens)
-
$3
Output (per 1M tokens)
-
$15
Features
Context Window
100K
200K
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
Claude Sonnet 4.5
Pros
- Best value for money
- Excellent writing quality
- Fast response times
- Strong coding abilities
- Free tier available
Cons
- Not as powerful as Opus for complex tasks
- Usage limits on free tier
Choose CustomGPT if you need:
Business chatbots, customer service, knowledge bases
Choose Sonnet 4.5 if you need:
Daily coding tasks, writing, general use
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.