Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. GPT-4.1 nano offers 1.1M more tokens in context window than DeepSeek-V2.5. Both models have similar pricing. GPT-4.1 nano supports multimodal inputs. DeepSeek-V2.5 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-V2.5 was developed as an enhanced iteration of the DeepSeek-V2 architecture, designed to incorporate improvements in model quality and efficiency. Built to advance the DeepSeek foundation model series, it provides refined capabilities for general-purpose language understanding and generation tasks.
OpenAI
GPT-4.1 Nano was developed as the smallest and most efficient variant in the GPT-4.1 family, designed for applications requiring minimal latency and resource usage. Built to enable AI capabilities on edge devices and resource-constrained environments, it distills GPT-4.1 capabilities into an ultra-compact form factor.
11 months newer

DeepSeek-V2.5
DeepSeek
2024-05-08

GPT-4.1 nano
OpenAI
2025-04-14
Cost per million tokens (USD)

DeepSeek-V2.5

GPT-4.1 nano
Context window and performance specifications
Average performance across 1 common benchmarks

DeepSeek-V2.5

GPT-4.1 nano
GPT-4.1 nano
2024-05-31
Available providers and their performance metrics

DeepSeek-V2.5
DeepInfra
DeepSeek
Hyperbolic

DeepSeek-V2.5

GPT-4.1 nano

DeepSeek-V2.5

GPT-4.1 nano

GPT-4.1 nano
OpenAI