DeepSeek-R1 vs DeepSeek-V2.5 Comparison
Comparing DeepSeek-R1 and DeepSeek-V2.5 across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-R1 and DeepSeek-V2.5 don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-R1 ($0.55/1M tokens) is 3.9x more expensive than DeepSeek-V2.5 ($0.14/1M tokens).
For output processing, DeepSeek-R1 ($2.19/1M tokens) is 7.8x more expensive than DeepSeek-V2.5 ($0.28/1M tokens).
In conclusion, DeepSeek-R1 is more expensive than DeepSeek-V2.5.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
DeepSeek-R1 has 435.0B more parameters than DeepSeek-V2.5, making it 184.3% larger.
Context Window
Maximum input and output token capacity
DeepSeek-R1 accepts 131,072 input tokens compared to DeepSeek-V2.5's 8,192 tokens. DeepSeek-R1 can generate longer responses up to 131,072 tokens, while DeepSeek-V2.5 is limited to 8,192 tokens.
License
Usage and distribution terms
DeepSeek-R1 is licensed under MIT, while DeepSeek-V2.5 uses deepseek.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
deepseek
Open weights
Release Timeline
When each model was launched
DeepSeek-R1 was released on 2025-01-20, while DeepSeek-V2.5 was released on 2024-05-08.
DeepSeek-R1 is 9 months newer than DeepSeek-V2.5.
Jan 20, 2025
1.2 years ago
8mo newerMay 8, 2024
1.9 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
DeepSeek-R1 is available from DeepSeek, DeepInfra, Together, Fireworks. DeepSeek-V2.5 is available from DeepSeek, DeepInfra, Hyperbolic. The availability of providers can affect quality of the model and reliability.
DeepSeek-R1
DeepSeek-V2.5
Outputs Comparison
Key Takeaways
DeepSeek-R1
View detailsDeepSeek
DeepSeek-V2.5
View detailsDeepSeek
Detailed Comparison
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