GPT-5.1 vs Jasper
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
GPT-5.1 Instant
GPT-5.1 Instant edges out Jasper AI with superior overall performance and features that make it the better choice for most users.
Try GPT-5.1Feature Comparison
Feature
GPT-5.1
Jasper
Ratings
Overall Rating
4.7
4.5
Coding
4.5
-
Writing
4.6
4.7
Reasoning
4.8
4.2
Speed
4.8
4.5
Value
4.6
4.0
Pricing
Monthly Price
$20
$49
Free Tier
Input (per 1M tokens)
$2.5
-
Output (per 1M tokens)
$10
-
Features
Context Window
128K
100K
Vision/Images
Audio
Video
Code Generation
AI Agents
GPT-5.1 Instant
Pros
- Fast responses with adaptive reasoning
- New personalization presets
- Strong math and coding improvements
- Multimodal (text, image, audio)
- Free tier available
Cons
- Coding not as strong as Claude Opus
- Can be verbose
- Writing style less natural than Claude
Jasper AI
Pros
- Marketing-focused templates
- Brand voice training
- Team collaboration
- SEO integration
- Chrome extension
Cons
- Expensive for individuals
- Limited free trial
- Overkill for simple tasks
Choose GPT-5.1 if you need:
General assistant, math problems, quick coding help
Choose Jasper if you need:
Marketing teams, content at scale, brand consistency
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.