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Moonshot AI · API model

Kimi K2 0905

Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...

Context
262K
Input / 1M
$0.6
Output / 1M
$2.5
Released
Sep 4, 2025
Specifications

Kimi K2 0905 specs

Provider
Moonshot AI
Type
API model
Model ID
moonshotai/kimi-k2-0905
Context window
262,144 tokens262K
Input price
$0.6per 1M input tokens
Output price
$2.5per 1M output tokens
Accepts
text
Produces
text
Released
Sep 4, 2025
Source
OpenRouter
Overview

About Kimi K2 0905

Kimi K2 0905 is an API model from Moonshot AI, released on Sep 4, 2025, with a context window of 262,144 tokens, pricing of $0.6 per million input tokens and $2.5 per million output tokens. It accepts text input and produces text output.

At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.0085.

Specs are sourced from OpenRouter and were last checked on Aug 14, 2026. Always confirm current pricing and limits with the provider before production use.

Tool callingStructured outputsJSON mode
FAQ

Kimi K2 0905 questions

What is the context window of Kimi K2 0905?

Kimi K2 0905 supports a context window of 262,144 tokens.

How much does Kimi K2 0905 cost?

Kimi K2 0905 is listed at $0.6 per million input tokens and $2.5 per million output tokens on OpenRouter.

When was Kimi K2 0905 released?

Kimi K2 0905 was published on Sep 4, 2025.

What inputs does Kimi K2 0905 accept?

Kimi K2 0905 accepts text input and produces text output.