Comprehensive side-by-side LLM comparison
DeepSeek-V3.1 leads with 46.0% higher average benchmark score. DeepSeek-V3.1 offers 183.3K more tokens in context window than GPT-4o mini. GPT-4o mini is $0.52 cheaper per million tokens. GPT-4o mini supports multimodal inputs. Overall, DeepSeek-V3.1 is the stronger choice for coding tasks.
DeepSeek
DeepSeek-V3.1 was developed as an incremental advancement over DeepSeek-V3, designed to refine the mixture-of-experts architecture with improved training techniques. Built to enhance quality and efficiency while maintaining the open-source philosophy, it represents continued iteration on DeepSeek's flagship model line.
OpenAI
GPT-4o Mini was created as a smaller, more efficient variant of GPT-4o, designed to bring multimodal capabilities to applications requiring faster response times and lower costs. Built to democratize access to advanced vision and text understanding, it enables developers to build sophisticated applications with reduced resource requirements.
5 months newer

GPT-4o mini
OpenAI
2024-07-18

DeepSeek-V3.1
DeepSeek
2025-01-10
Cost per million tokens (USD)

DeepSeek-V3.1

GPT-4o mini
Context window and performance specifications
Average performance across 2 common benchmarks

DeepSeek-V3.1

GPT-4o mini
Performance comparison across key benchmark categories

DeepSeek-V3.1

GPT-4o mini
GPT-4o mini
2023-10-01
Available providers and their performance metrics

DeepSeek-V3.1
DeepInfra
Novita

GPT-4o mini

DeepSeek-V3.1

GPT-4o mini

DeepSeek-V3.1

GPT-4o mini
Azure