DeepSeek R1 vs DeepSeek V3
Pricing, context window, and benchmark comparison · Last updated April 2026
DeepSeek V3 is cheaper than DeepSeek R1 at $0.27/1M/1M vs $0.55/1M/1M input tokens — a 2.0x cost difference. DeepSeek R1 scores higher on quality benchmarks (ELO 1360). Choose DeepSeek V3 for cost-sensitive workloads; choose DeepSeek R1 for maximum quality.
Which is cheaper: DeepSeek R1 or DeepSeek V3?
DeepSeek V3 is the cheaper option at $0.27/1M per 1M input tokens, compared to $0.55/1M for DeepSeek R1. That is a 2.0x cost difference on input tokens. Output pricing follows a similar pattern: DeepSeek R1 charges $2.19/1M/1M vs $1.10/1M/1M for DeepSeek V3.
Which has better quality: DeepSeek R1 or DeepSeek V3?
Based on LMSYS Chatbot Arena rankings, DeepSeek R1 achieves a higher ELO score (1360 vs 1320), suggesting stronger performance on open-ended tasks. DeepSeek R1 excels at o1-level reasoning at 20x lower cost than openai o1. DeepSeek V3 is known for frontier-level quality at 10x lower cost than gpt-4o.
Which should you choose: DeepSeek R1 or DeepSeek V3?
- → o1-level reasoning at 20x lower cost than OpenAI o1
- → Open source reasoning model
- → Chain-of-thought reasoning visible to users
- → Frontier-level quality at 10x lower cost than GPT-4o
- → Open source weights available
- → Excellent coding performance
Frequently Asked Questions
Which is cheaper: DeepSeek R1 or DeepSeek V3?
DeepSeek V3 is cheaper at $0.27/1M per 1M input tokens, making it 2.0x more affordable.
Which has better quality: DeepSeek R1 or DeepSeek V3?
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 DeepSeek V3?
Both DeepSeek R1 and DeepSeek V3 have the same context window.
Should I choose DeepSeek R1 or DeepSeek V3?
Choose DeepSeek V3 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 DeepSeek V3 excels at coding and low-cost.
Is DeepSeek R1 or DeepSeek V3 open source?
DeepSeek R1 is open source. DeepSeek V3 is open source.