Kimi K2 Instruct 0905

Name: Kimi K2 Instruct 0905
Author: Moonshot AI

Released

2025-09-05

Last refreshed

2026-06-04

Status

Researched 118d ago

Open sourceCommercial use: permittedLong context

Moonshot AI releases · 6 in the last 12 months · this family litChangelog →

Specifications

Family: Kimi K2
Released: 2025-09-05
Context: 131k
Parameters: 1T total, 32B active (MoE)
Architecture: Decoder Only
Specialization: general
Openness: Open source
License: MITOSI-approvedCommercial use: permitted
Weights: Unknown
Code: Unknown
Training: Pretrained

Created by

Moonshot AI

Lossless long-context AI innovation

Beijing, China

Founded 2023

Website

Pricing

Output / 1M

$2.50

Input / 1M

$0.600

Cheapest of 2 routes · Fireworks AI

Providers(2)

Fireworks AI NVIDIA NIM

View 2 provider routes

About

Kimi K2 Instruct 0905 is Moonshot AI's Kimi K2 model. It offers a 131K-token context window.

Provider price ladder

Compare all 2

Compare API pricing across 2 providers for input and output tokens, batch, and cached reads when available.

Provider	Input / 1M	Output / 1M	Route
Fireworks AI	$0.600	$2.50	Serverless
NVIDIA NIM	-	-	ServerlessPartial

Available via routers & gateways(2)

OpenRouter

Hybrid

Unified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.

PassthroughFireworks AI

NVIDIA LLM Router Blueprint

Router

NVIDIA's open-source AI blueprint for LLM routing that selects the optimal model per prompt via intent classification or neural auto-routing; being deprecated 2026-06-20.

Free OSSNVIDIA NIM