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

Kimi K2 Thinking and GPT-3.5 Turbo Instruct have comparable output pricing.

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

Kimi K2 Thinking has the larger context window (216K tokens).

Kimi K2 Thinking vs GPT-3.5 Turbo Instruct

Both have similar output pricing, while Kimi K2 Thinking offers a larger context window. Choose Kimi K2 Thinking 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 Thinking	GPT-3.5 Turbo Instruct
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$0.47	$1.50
Output / 1M tokens	$2.00	$2.00
Context window	216K	8K
Parameters	1T	20B
Open weights	No	No
Released	Nov 2025	Sep 2023

Kimi K2 Thinking 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.