GPT-3.5 Turbo vs GPT-4 Turbo: side-by-side summary

GPT-3.5 Turbo and GPT-4 Turbo are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-3.5 Turbo, from OpenAI, has a 16,385-token context window and is priced at $0.50/M tokens input, $1.50/M tokens output on OpenRouter.

GPT-4 Turbo, from OpenAI, has a 128,000-token context window and is priced at $10/M tokens input, $30/M tokens output on OpenRouter.

Context window

• GPT-3.5 Turbo: 16,385 tokens
• GPT-4 Turbo: 128,000 tokens

Price

• GPT-3.5 Turbo: $0.50/M tokens input, $1.50/M tokens output
• GPT-4 Turbo: $10/M tokens input, $30/M tokens output

Provided by

• GPT-3.5 Turbo: OpenAI
• GPT-4 Turbo: OpenAI

• GPT-3.5 Turbo model details, providers and pricing
• GPT-4 Turbo model details, providers and pricing