Is GPT-3.5-Turbo or GPT-5.4 cheaper?

GPT-3.5-Turbo is cheaper on output tokens ($1.40 vs $14.00 per 1M).

Which has the larger context window, GPT-3.5-Turbo or GPT-5.4?

GPT-5.4 has the larger context window (1.1M tokens).

GPT-3.5-Turbo vs GPT-5.4

GPT-3.5-Turbo is cheaper on output tokens, while GPT-5.4 offers a larger context window. Choose GPT-3.5-Turbo or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-3.5-Turbo	GPT-5.4
Provider	Poe	Poe
Input / 1M tokens	$0.45	$2.20
Output / 1M tokens	$1.40	$14.00
Context window	16K	1.1M
Parameters	20B	—
Open weights	No	No
Released	Sep 2023	Feb 2026

GPT-3.5-Turbo details →GPT-5.4 details →

FAQ

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