GPT-5.2 vs Opus 4.5
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
Claude Opus 4.5
Claude Opus 4.5 edges out GPT-5.2 Instant with superior overall performance and features that make it the better choice for most users.
Try Opus 4.5Feature Comparison
Feature
GPT-5.2
Opus 4.5
Ratings
Overall Rating
4.8
4.9
Coding
4.6
5.0
Writing
4.8
4.8
Reasoning
4.7
4.9
Speed
4.9
4.2
Value
4.7
4.5
Pricing
Monthly Price
$20
$20
Free Tier
Input (per 1M tokens)
$2.5
$5
Output (per 1M tokens)
$10
$25
Features
Context Window
128K
200K
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
Claude Opus 4.5
Pros
- Best coding model available (80.9% SWE-bench)
- Excellent for autonomous agents
- Effort parameter allows speed/quality tradeoff
- 76% fewer tokens than Sonnet at same quality
- Strong at long-horizon tasks
Cons
- More expensive than Sonnet
- Slower on simple tasks
- Requires Claude Pro/Max subscription for full access
Choose GPT-5.2 if you need:
Daily tasks, writing, translation, quick coding help
Choose Opus 4.5 if you need:
Professional developers, complex codebases, autonomous agents
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.