Kimi K2 0905

Sep 2025
Kimi K2 0905
Compare in
on
—per task?
$0.40 / $2per 1M in / out?
49 tok/sfirst token in 1.5 s?
256Kcontext

Rankingin non-thinking mode?

Alternatives?

Run it yourself

estimate
Fits on✗ 8 GB (phone, laptop)✗ 16 GB✗ 24 GB GPU✗ 48 GB GPU✗ 80 GB GPU
Licencemodified-mitcommercial use with conditions

History

5 versions
5757.157.257.3Release dateAIME 2025 · AA archivedK2 · JulK2 · Sep
5757.157.257.3Release dateAIME 2025 · AA archivedK2 · Jul

FAQ

How much does Kimi K2 0905 cost?›

$0.40 per 1M input tokens and $2 per 1M output tokens (cheapest host: DeepInfra).

Is Kimi K2 0905 free to use?›

There is no free API; the cheapest paid price is $0.40 per 1M input tokens. The weights are open, so you can run it yourself.

How good is Kimi K2 0905, and what is it best at?›

#239 of 336 in Chat & Knowledge, #81 of 239 in Coding, #90 of 242 in Agents & Tool Use, #49 of 96 in Writing & Language.

Is Kimi K2 0905 better than Kimi K2 0711?›

On AIME 2025 · AA archived, Kimi K2 0905 scores 57.3 vs 57 — about the same.

How can I use Kimi K2 0905?›

Through the API of DeepInfra, Featherless, Novita.

What is the context window of Kimi K2 0905?›

256K tokens, with up to 98K output tokens.

When was Kimi K2 0905 released? Is there a newer version?›

Released 2025-09-05. It has been superseded by Kimi K2.5.

Is Kimi K2 0905 open source?›

Yes, the weights are open (modified-mit licence).

Can I run Kimi K2 0905 locally?›

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

Can Kimi K2 0905 read images?›

No, it accepts text only.

What is Kimi K2 0905?›

Kimi K2 0905 is an open-weights language model from Moonshot AI, released Sep 2025, the successor to Kimi K2 0711.

What are the best alternatives to Kimi K2 0905?›

GPT OSS 120B (cheaper), GPT OSS 20B (better), DeepSeek V3.2 Speciale (open weights).