Is Kimi K2 Instruct or GPT-3.5 Turbo Instruct cheaper?

GPT-3.5 Turbo Instruct is cheaper on output tokens ($2.00 vs $2.30 per 1M).

Which has the larger context window, Kimi K2 Instruct or GPT-3.5 Turbo Instruct?

Kimi K2 Instruct has the larger context window (131K tokens).

Kimi K2 Instruct vs GPT-3.5 Turbo Instruct

GPT-3.5 Turbo Instruct is cheaper on output tokens, while Kimi K2 Instruct offers a larger context window. Choose Kimi K2 Instruct or GPT-3.5 Turbo Instruct based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Kimi K2 Instruct	GPT-3.5 Turbo Instruct
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$0.57	$1.50
Output / 1M tokens	$2.30	$2.00
Context window	131K	8K
Parameters	—	20B
Open weights	No	No
Released	Jul 2025	Sep 2023

Kimi K2 Instruct 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.