Is GPT-3.5-turbo or GPT-5.5 Pro cheaper?

GPT-3.5-turbo is cheaper on output tokens ($1.50 vs $180.00 per 1M).

Which has the larger context window, GPT-3.5-turbo or GPT-5.5 Pro?

GPT-5.5 Pro has the larger context window (1.1M tokens).

GPT-3.5-turbo vs GPT-5.5 Pro

GPT-3.5-turbo is cheaper on output tokens, while GPT-5.5 Pro offers a larger context window. Choose GPT-3.5-turbo or GPT-5.5 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-3.5-turbo	GPT-5.5 Pro
Provider	OrcaRouter	OrcaRouter
Input / 1M tokens	$0.50	$30.00
Output / 1M tokens	$1.50	$180.00
Context window	16K	1.1M
Parameters	20B	—
Open weights	No	No
Released	Mar 2023	Apr 2026

GPT-3.5-turbo details →GPT-5.5 Pro details →

FAQ

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