Is OpenAI: GPT-3.5 Turbo or OpenAI: GPT-5.3 Chat cheaper?

OpenAI: GPT-3.5 Turbo is cheaper on output tokens ($1.50 vs $14.00 per 1M).

Which has the larger context window, OpenAI: GPT-3.5 Turbo or OpenAI: GPT-5.3 Chat?

OpenAI: GPT-5.3 Chat has the larger context window (128K tokens).

OpenAI: GPT-3.5 Turbo vs OpenAI: GPT-5.3 Chat

OpenAI: GPT-3.5 Turbo is cheaper on output tokens, while OpenAI: GPT-5.3 Chat offers a larger context window. Choose OpenAI: GPT-3.5 Turbo or OpenAI: GPT-5.3 Chat based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	OpenAI: GPT-3.5 Turbo	OpenAI: GPT-5.3 Chat
Provider	OpenAI	OpenAI
Input / 1M tokens	$0.50	$1.75
Output / 1M tokens	$1.50	$14.00
Context window	16K	128K
Parameters	20B	—
Open weights	No	—
Released	Mar 2023	—

OpenAI: GPT-3.5 Turbo details →OpenAI: GPT-5.3 Chat details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.