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

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

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

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

GPT-5.4 vs GPT-3.5-Turbo

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

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

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

FAQ

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