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Model Library
/Moonshot AI/Kimi K2.5
model path:accounts/fireworks/models/kimi-k2p5

Kimi K2.5 is Moonshot AI's flagship agentic model and a new SOTA open model. It unifies vision and text, thinking and non-thinking modes, and single-agent and multi-agent execution into one model. Fireworks enables users to control the reasoning behavior of the Kimi K2.5 model and inspect its reasoning history for greater transparency.

Kimi K2.5 API Features

Fine-tuning

Docs

Kimi K2.5 can be customized with your data to improve responses. Fireworks uses LoRA to efficiently train and deploy your personalized model

On-demand Deployment

Docs

On-demand deployments allow you to use Kimi K2.5 on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.

Metadata

State
Ready
Created on
1/27/2026
Kind
Base model
Provider
Moonshot AI

Specification

Calibrated
Yes
Mixture-of-Experts
Yes
Parameters
1.02T

Supported Functionality

Fine-tuning
Supported
Serverless
Not supported
Context Length
262k tokens
Function Calling
Supported
Embeddings
Not supported
Rerankers
Not supported
Support image input
Supported