retired

DeepSeek: DeepSeek V3.1 Terminus

deepseek/deepseek-v3-1-terminus

Prices

Input: $0.27 per 1M tokens
low
Input (cached read): $0.13 per 1M tokens
low
Output: $0.95 per 1M tokens
low

Also available on

The same model, sold by someone else. The price above is the maker's own.

10 sales channels for this model.
Channel	What	Price
OpenRouter · deepseek	Input	$0.27 per 1M tokens
	Input (cached read)	$0.135 per 1M tokens
	Output	$1.00 per 1M tokens
OpenRouter	Input	$0.27 per 1M tokens
	Input (cached read)	$0.135 per 1M tokens
	Output	$1.00 per 1M tokens
Other · abacus	Input	$0.27 per 1M tokens
	Output	$1.00 per 1M tokens
Other · kilo	Input	$0.27 per 1M tokens
	Input (cached read)	$0.135 per 1M tokens
	Output	$1.00 per 1M tokens
Other · nano-gpt	Input	$0.25 per 1M tokens
	Input (cached read)	$0.125 per 1M tokens
	Output	$0.70 per 1M tokens
Other · novita-ai	Input	$0.27 per 1M tokens
	Input (cached read)	$0.135 per 1M tokens
	Output	$1.00 per 1M tokens
Other · openrouter	Input	$0.27 per 1M tokens
	Input (cached read)	$0.135 per 1M tokens
	Output	$1.00 per 1M tokens
Other · siliconflow	Input	$0.27 per 1M tokens
	Output	$1.00 per 1M tokens
Other · siliconflow-cn	Input	$0.27 per 1M tokens
	Input (plan: pro)	$0.27 per 1M tokens
	Output	$1.00 per 1M tokens
	Output (plan: pro)	$1.00 per 1M tokens
Other · vercel	Input	$0.27 per 1M tokens
	Input (cached read)	$0.135 per 1M tokens
	Output	$1.00 per 1M tokens

Specifications

Provider: deepseek
Context window: 163,840
Max output tokens: 147,456
Open weights: yes
Released: 09/22/2025
Retires: 09/28/2026
First seen by this tracker: 09/14/2026

Price history

No price of this model has changed since we started tracking it.

Input: 0.27 per 1M tokens, unchanged since 09/14/2026
Input (cached read): 0.13 per 1M tokens, unchanged since 09/14/2026
Output: 0.95 per 1M tokens, unchanged since 09/14/2026

Last updated 10/04/2026, 02:10