Comprehensive side-by-side LLM comparison
DeepSeek-V3.1 leads with 26.9% higher average benchmark score. DeepSeek-V3.1 offers 195.6K more tokens in context window than GPT-4 Turbo. DeepSeek-V3.1 is $38.73 cheaper per million tokens. 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-4 Turbo was introduced as an optimized version of GPT-4, designed to provide enhanced performance with improved efficiency and an expanded context window. Built with updated knowledge and refined capabilities, it offered developers a more cost-effective way to leverage GPT-4's advanced reasoning while handling longer conversations and documents.
9 months newer

GPT-4 Turbo
OpenAI
2024-04-09

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

DeepSeek-V3.1

GPT-4 Turbo
Context window and performance specifications
Average performance across 1 common benchmarks

DeepSeek-V3.1

GPT-4 Turbo
GPT-4 Turbo
2023-12-31
Available providers and their performance metrics

DeepSeek-V3.1
DeepInfra
Novita

GPT-4 Turbo

DeepSeek-V3.1

GPT-4 Turbo

DeepSeek-V3.1

GPT-4 Turbo
Azure
OpenAI