Is OpenAI: GPT-3.5 Turbo Instruct or OpenAI: GPT-5.4 Nano cheaper?

OpenAI: GPT-5.4 Nano is cheaper on output tokens ($1.25 vs $2.00 per 1M).

Which has the larger context window, OpenAI: GPT-3.5 Turbo Instruct or OpenAI: GPT-5.4 Nano?

OpenAI: GPT-5.4 Nano has the larger context window (400K tokens).

OpenAI: GPT-3.5 Turbo Instruct vs OpenAI: GPT-5.4 Nano

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

Spec	OpenAI: GPT-3.5 Turbo Instruct	OpenAI: GPT-5.4 Nano
Provider	OpenAI	OpenAI
Input / 1M tokens	$1.50	$0.20
Output / 1M tokens	$2.00	$1.25
Context window	4K	400K
Parameters	20B	—
Open weights	No	No
Released	Sep 2023	Mar 2026

OpenAI: GPT-3.5 Turbo Instruct details →OpenAI: GPT-5.4 Nano details →

FAQ

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