DeepSeek R1 vs Qwen 2.5 72B
Pricing, context window, and benchmark comparison · Last updated April 2026
Qwen 2.5 72B is cheaper than DeepSeek R1 at $0.35/1M/1M vs $0.55/1M/1M input tokens — a 1.6x cost difference. DeepSeek R1 scores higher on quality benchmarks (ELO 1360). Choose Qwen 2.5 72B for cost-sensitive workloads; choose DeepSeek R1 for maximum quality.
Which is cheaper: DeepSeek R1 or Qwen 2.5 72B?
Qwen 2.5 72B is the cheaper option at $0.35/1M per 1M input tokens, compared to $0.55/1M for DeepSeek R1. That is a 1.6x cost difference on input tokens. Output pricing follows a similar pattern: DeepSeek R1 charges $2.19/1M/1M vs $0.40/1M/1M for Qwen 2.5 72B.
Which has better quality: DeepSeek R1 or Qwen 2.5 72B?
Based on LMSYS Chatbot Arena rankings, DeepSeek R1 achieves a higher ELO score (1360 vs 1280), suggesting stronger performance on open-ended tasks. DeepSeek R1 excels at o1-level reasoning at 20x lower cost than openai o1. Qwen 2.5 72B is known for best-in-class for chinese/japanese/korean languages.
Which should you choose: DeepSeek R1 or Qwen 2.5 72B?
- → o1-level reasoning at 20x lower cost than OpenAI o1
- → Open source reasoning model
- → Chain-of-thought reasoning visible to users
- → Best-in-class for Chinese/Japanese/Korean languages
- → Open source weights available
- → Strong coding performance for cost
Frequently Asked Questions
Which is cheaper: DeepSeek R1 or Qwen 2.5 72B?
Qwen 2.5 72B is cheaper at $0.35/1M per 1M input tokens, making it 1.6x more affordable.
Which has better quality: DeepSeek R1 or Qwen 2.5 72B?
DeepSeek R1 scores higher on the LMSYS Chatbot Arena with an ELO of 1360, suggesting better overall quality for most tasks.
Which has a larger context window: DeepSeek R1 or Qwen 2.5 72B?
Both DeepSeek R1 and Qwen 2.5 72B have the same context window.
Should I choose DeepSeek R1 or Qwen 2.5 72B?
Choose Qwen 2.5 72B if cost is the priority. Choose DeepSeek R1 if benchmark quality is most important. Consider your specific use case: DeepSeek R1 is best for reasoning and math, while Qwen 2.5 72B excels at translation and coding.
Is DeepSeek R1 or Qwen 2.5 72B open source?
DeepSeek R1 is open source. Qwen 2.5 72B is open source.