Comprehensive side-by-side LLM comparison
GPT-5 nano leads with 35.5% higher average benchmark score. GPT-5 nano offers 462.5K more tokens in context window than GPT-4. GPT-5 nano is $89.55 cheaper per million tokens. Overall, GPT-5 nano is the stronger choice for coding tasks.
OpenAI
GPT-4 was created as a large multimodal model capable of accepting image and text inputs while producing text outputs. Developed to exhibit human-level performance on various professional and academic benchmarks, it marked a significant advancement in reliability, creativity, and handling of nuanced instructions compared to its predecessors.
OpenAI
GPT-5 Nano was developed as the most compact variant in the GPT-5 family, designed for deployment in resource-constrained environments and edge computing scenarios. Built to bring next-generation AI capabilities to devices and applications where latency and efficiency are paramount, it distills GPT-5 innovations into a minimal footprint.
2 years newer

GPT-4
OpenAI
2023-06-13

GPT-5 nano
OpenAI
2025-08-07
Cost per million tokens (USD)

GPT-4

GPT-5 nano
Context window and performance specifications
Average performance across 1 common benchmarks

GPT-4

GPT-5 nano
GPT-4
2022-12-31
GPT-5 nano
2024-05-30
Available providers and their performance metrics

GPT-4
Azure
OpenAI


GPT-4

GPT-5 nano

GPT-4

GPT-5 nano
GPT-5 nano
OpenAI
ZeroEval