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DeepSeek V3.1 vs DeepSeek R1

Side-by-side comparison of specs, pricing, and capabilities

Spec🧠 DeepSeek V3.1🧠 DeepSeek R1
ProviderDeepSeekDeepSeek
Category🧠 Reasoning🧠 Reasoning
Parameters671B671B
Context Window128K tokens128K tokens
License🔓 open🔓 open
Input Price$0.27$0.55
Output Price$1.10$2.19
API Available✅✅
ReleasedJun 1, 2025Jan 20, 2025
Trending Score🔥 88🔥 86

DeepSeek V3.1 Strengths

  • ✓Incredible cost efficiency
  • ✓Open weights
  • ✓Top-tier math/coding
  • ✓MoE architecture

DeepSeek R1 Strengths

  • ✓Transparent reasoning chains
  • ✓Strong at math/logic
  • ✓Open weights
  • ✓RL-trained

About DeepSeek V3.1

671B MoE model with only 37B active parameters. Open-weight, excels at math, coding, and Chinese language tasks.

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About DeepSeek R1

Reasoning-specialized model trained with reinforcement learning. Shows chain-of-thought reasoning transparently.

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❓ Frequently Asked Questions

Which is better, DeepSeek V3.1 or DeepSeek R1?

It depends on your use case. DeepSeek V3.1 (DeepSeek) has a trending score of 88, while DeepSeek R1 (DeepSeek) scores 86. DeepSeek V3.1 costs $0.27 per 1M input tokens. Check the comparison table above for detailed specs.

Is DeepSeek V3.1 cheaper than DeepSeek R1?

DeepSeek V3.1 costs $0.27 input / $1.10 output per 1M tokens, while DeepSeek R1 costs $0.55 input / $2.19 output.

Can I use both DeepSeek V3.1 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.