Kimi K3

Moonshot AI chatreasoningtool_usevision Long

API ID: moonshotai/kimi-k3-20260715

Compare Calculate
Input Price
$3.00
/1M tokens
Output Price
$15.00
/1M tokens
Cached Input
$0.30
Save 90%

About Kimi K3

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...

💰
Price Ranking
#1178 lowest price among 1240 Chat models

Model Specifications

Context Length
1.0M
Max Output
262k
Release Date
2026-07-16
Capabilities
chat reasoning tool_use vision
Input Modalities
textimage
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Simple Q&A (cheaper models available)

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

Personal AI Assistant
$5.85
/month
50 conversations/day, ~500 tokens each
Customer Service Bot
$180.00
/month
1000 tickets/day, ~800 tokens each
Data Analysis Pipeline
$247.50
/month
500 analyses/day, ~2k tokens each
Calculate Your Custom Usage

Moonshot AI Model Lineup

Compare all models from Moonshot AI to find the best fit

Model Input Output Context Capabilities
Kimi K3 Current Free Free 1.0M chat reasoning tool_use vision
Moonlight 16B A3B Instruct Free Free 8k chat
Moonlight 16B A3B Instruct Free Free 8k chat
Kimi K2 0711 Free Free 131k chat tool_use
Kimi Dev 72B Free Free 131k chat reasoning
Kimi VL A3B Thinking Free Free 131k chat vision reasoning
View All Moonshot AI Models →

Similar Models from Other Providers

Cross-brand alternatives with similar capabilities

xAI Grok 3
xAI
Input: $3.00
Output: $15.00
Context: 131k
xAI Grok 3 Beta
xAI
Input: $3.00
Output: $15.00
Context: 131k
Perplexity Sonar Pro
Perplexity
Input: $3.00
Output: $15.00
Context: 200k
Perplexity Sonar Pro Search
Perplexity
Input: $3.00
Output: $15.00
Context: 200k
Compare These Models

💡 Cheaper Alternatives

Same Brand (Moonshot AI)

Kimi Dev 72B
$0.29 $1.15 131k
Kimi K2 Thinking
$0.40 $1.75 262k
Kimi K2 0905 (exacto)
$0.39 $1.90 262k

Cross Brand

GTE-Base Other
$0.0050 Free 512
E5-Base-v2 Other
$0.0050 Free 512
paraphrase-MiniLM-L6-v2 Other
$0.0050 Free 512

🚀 Quick Start

Get started with Kimi K3 API

OpenAI-compatible SDK 
from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="moonshotai/kimi-k3-20260715",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

Continue Your Decision

Back to Moonshot AI Add to Compare Calculate Cost