Kimi K2 vs DeepSeek V4 Pro
A plain comparison: what they do, what they cost and which to pick for your task.
In short
Kimi K2 keeps long conversations and multi-step tasks on track better; DeepSeek V4 Pro is stronger in maths and code. Kimi is also cheaper.
Kimi K2 is cheaper: an answer costs 1.6 times less than with DeepSeek V4 Pro.
Side by side
| Kimi K2 | DeepSeek V4 Pro | |
|---|---|---|
| Maker | Moonshot AI, China | DeepSeek, China |
| Type | everyday | everyday |
| Good for | Kimi K2: long conversations and multi-step tasks. | A strong DeepSeek for maths, logic and code at a low price. |
| Official, $ per 1M | $0.6 / $2.5 | $1.32 / $3.96 |
| Freepay rate | ×0.3 / ×1.25 | ×0.66 / ×1.98 |
| Maker’s subscription | The maker’s paid plans are billed monthly. | DeepSeek has no subscription; its own chat is free but has queues. |
Prices: your text / answer. The “Freepay rate” shows how many balance tokens a model spends per token of its own; Claude Sonnet 5.5 is ×1.
Which to pick for the task
| Task | Better |
|---|---|
| Long conversations | Kimi K2 |
| Maths | DeepSeek V4 Pro |
| Code | DeepSeek V4 Pro |
| Price | Kimi K2 |
The best way to choose is to ask both models the same question. On Freepay you do it in one chat, switching the model in the input field.
About Kimi K2
Kimi K2: long conversations and multi-step tasks. Kimi is made by Moonshot AI in China. It keeps long conversations and big tasks on track, and the Thinking version reasons before it answers. More about Kimi K2.
About DeepSeek V4 Pro
A strong DeepSeek for maths, logic and code at a low price. DeepSeek is a Chinese model that became famous for nearly matching ChatGPT at a fraction of the price. It is strong in maths, logic and code. More about DeepSeek V4 Pro.
Frequently asked questions
Which is better, Kimi K2 or DeepSeek V4 Pro?
Kimi K2 keeps long conversations and multi-step tasks on track better; DeepSeek V4 Pro is stronger in maths and code. Kimi is also cheaper.
Which is cheaper, Kimi K2 or DeepSeek V4 Pro?
Kimi K2 is cheaper: an answer costs 1.6 times less than with DeepSeek V4 Pro. Official prices per 1M tokens: Kimi K2 $0.6 / $2.5, DeepSeek V4 Pro $1.32 / $3.96. On Freepay both are 10x cheaper.
Can I use Kimi K2 and DeepSeek V4 Pro in one place?
Yes. On Freepay both models are in one chat, you switch them in the input field, and the balance is shared.
Do I need two subscriptions for Kimi K2 and DeepSeek V4 Pro?
No. Kimi’s site needs an account and works mostly in Chinese and English. DeepSeek’s own chat is free but needs an account and is often overloaded at peak hours. On Freepay one key covers both, with no subscription.