Claude 4 Opus vs DeepSeek R1
Side-by-side comparison of specs, pricing, and capabilities
| Spec | 🧠 Claude 4 Opus | 🧠 DeepSeek R1 |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Category | 🧠 Reasoning | 🧠 Reasoning |
| Parameters | Undisclosed | 671B |
| Context Window | 200K tokens | 128K tokens |
| License | 🔒 proprietary | 🔓 open |
| Input Price | $15 | $0.55 |
| Output Price | $75 | $2.19 |
| API Available | ✅ | ✅ |
| Released | Sep 1, 2025 | Jan 20, 2025 |
| Trending Score | 🔥 98 | 🔥 86 |
Claude 4 Opus Strengths
- ✓Best-in-class reasoning
- ✓Extended thinking for hard problems
- ✓Strong code generation
- ✓Nuanced long-form writing
DeepSeek R1 Strengths
- ✓Transparent reasoning chains
- ✓Strong at math/logic
- ✓Open weights
- ✓RL-trained
About Claude 4 Opus
Anthropic's most powerful reasoning model with extended thinking. Excels at complex analysis, multi-step math, advanced coding, and nuanced writing.
View full details →About DeepSeek R1
Reasoning-specialized model trained with reinforcement learning. Shows chain-of-thought reasoning transparently.
View full details →❓ Frequently Asked Questions
Which is better, Claude 4 Opus or DeepSeek R1?
It depends on your use case. Claude 4 Opus (Anthropic) has a trending score of 98, while DeepSeek R1 (DeepSeek) scores 86. Claude 4 Opus costs $15 per 1M input tokens. Check the comparison table above for detailed specs.
Is Claude 4 Opus cheaper than DeepSeek R1?
Claude 4 Opus costs $15 input / $75 output per 1M tokens, while DeepSeek R1 costs $0.55 input / $2.19 output.
Can I use both Claude 4 Opus and DeepSeek R1?
Yes! Many developers use multiple models for different tasks. You might use one for complex reasoning and another for high-volume, cost-sensitive workloads.