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Nvidia

Kimi K2.5 API

Nvidia
About

Build advanced reasoning agents with Kimi K2.5, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, native tool calling support, open weights architecture. Access Kimi K2.5 via the Nvidia API with up to 262K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
262K

Tokens

Input Limit
262K

Tokens

Max Output
262K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

Kimi K2.5 by Nvidia costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
moonshotai/kimi-k2.5
Provider
Nvidia
Family
kimi
Release Date
Jan 27, 2026
Knowledge Cutoff
Jul 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
NVIDIA_API_KEY
API Base URL
https://integrate.api.nvidia.com/v1
Documentation