Comprehensive side-by-side LLM comparison
GPT-4 Turbo leads with 21.8% higher average benchmark score. GPT-4 Turbo offers 111.6K more tokens in context window than GPT-3.5 Turbo. GPT-3.5 Turbo is $38.00 cheaper per million tokens. Overall, GPT-4 Turbo is the stronger choice for coding tasks.
OpenAI
GPT-3.5 Turbo was developed as an optimized version of GPT-3.5, designed to provide a balance of capability and efficiency for conversational and completion tasks. Built to serve as a cost-effective option for applications requiring reliable language understanding and generation, it became widely adopted for chatbots, content generation, and general-purpose AI assistance.
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.
1 year newer

GPT-3.5 Turbo
OpenAI
2023-03-21

GPT-4 Turbo
OpenAI
2024-04-09
Cost per million tokens (USD)

GPT-3.5 Turbo

GPT-4 Turbo
Context window and performance specifications
Average performance across 6 common benchmarks

GPT-3.5 Turbo

GPT-4 Turbo
GPT-3.5 Turbo
2021-09-30
GPT-4 Turbo
2023-12-31
Available providers and their performance metrics

GPT-3.5 Turbo
Azure
OpenAI


GPT-3.5 Turbo

GPT-4 Turbo

GPT-3.5 Turbo

GPT-4 Turbo
GPT-4 Turbo
Azure
OpenAI