Is GPT-4.1 nano or GPT-3.5 Turbo Instruct cheaper?

GPT-4.1 nano is cheaper on output tokens ($0.40 vs $2.00 per 1M).

Which has the larger context window, GPT-4.1 nano or GPT-3.5 Turbo Instruct?

GPT-4.1 nano has the larger context window (1M tokens).

GPT-4.1 nano vs GPT-3.5 Turbo Instruct

GPT-4.1 nano is cheaper on output tokens, while GPT-4.1 nano offers a larger context window. Choose GPT-4.1 nano or GPT-3.5 Turbo Instruct based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-4.1 nano	GPT-3.5 Turbo Instruct
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$0.10	$1.50
Output / 1M tokens	$0.40	$2.00
Context window	1M	8K
Parameters	—	20B
Open weights	No	No
Released	Apr 2025	Sep 2023

GPT-4.1 nano details →GPT-3.5 Turbo Instruct details →

FAQ

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