DeepSeek V4 vs Claude Opus 4.5: Detailed Analysis
Comparing Two AI Giants
DeepSeek V4 competes with Claude Opus 4.5 in benchmark performance while being completely free. Claude Opus offers superior long-context analysis, but DeepSeek V4 excels in math and coding tasks.
Key Takeaways
- DeepSeek V4 is free vs expensive Opus
- DeepSeek V4 better at math
- Opus has longer context
- Most users served well by DeepSeek V4
DeepSeek V4 vs Claude Opus 4.5
See how they compare feature by feature
| Feature | DeepSeek V4 | Claude Opus 4.5 |
|---|---|---|
| Price | Free | $20/month minimum |
| Math Performance | 92% | 89% |
| Coding | 90% | 92% |
| Context Window | 128K | 200K |
| Nuanced Reasoning | Excellent | Exceptional |
Pros & Cons
A balanced look at both options
DeepSeek V4
Pros
- +Free access
- +Excellent math
- +Strong coding
- +No subscription
− Cons
- −Shorter context
- −Less nuanced than Opus
Claude Opus 4.5
Pros
- +200K context
- +Exceptional reasoning
- +Best conversational AI
− Cons
- −Expensive API
- −Requires subscription
Which Should You Choose?
Find the best fit for your needs
Choose DeepSeek V4 if you...
- Math tasks
- Budget users
- General coding
Choose Claude Opus 4.5 if you...
- Complex reasoning
- Long documents
- Premium applications
Our Verdict
For most users, DeepSeek V4 provides 90%+ of Opus capabilities for free. Only pay for Opus if you need its exceptional reasoning on complex tasks.
Frequently Asked Questions
Common questions about DeepSeek V4 vs Claude Opus 4.5
Is DeepSeek V4 comparable to Opus?
Yes, DeepSeek V4 is competitive with Claude Opus in most benchmarks while being free.
Written By
The NoteLM team specializes in AI-powered video summarization and learning tools. We are passionate about making video content more accessible and efficient for learners worldwide.
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