GPT 5.6 Luna vs Kimi K3
Compare GPT 5.6 Luna and Kimi K3 on key metrics including price, context length, throughput, and other model features.
AuthorOpenAI
Context Length1.1M
Supports Tools
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for its price tier.
Activity
Last 14 daysPrompt
202MCompletion
1MTotal
203MStartup
Startup
Latency (p50)1.28s
Throughput (p50)34.2 tok/s
Pricing
Input$0.50/M tokens
Output$3.00/M tokens
Cached input$0.05/M tokens
Features
Input Modalitiestext, image, file
Output Modalitiestext
Supported EndpointsChat Completions
Vision
Supports Tools
AuthorMoonShotAI
Context Length1M
Supports Tools
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 navigating large repositories, using tools, debugging, and iterating against images, logs, tests, and runtime feedback. Its architecture uses KDA and Attention Residuals for computational efficiency.
Activity
Last 14 daysPrompt
60MCompletion
1MTotal
61MStartup
Startup
Latency (p50)2.32s
Throughput (p50)28.3 tok/s
Pricing
Input$1.50/M tokens
Output$7.50/M tokens
Cached input$0.15/M tokens
Features
Input Modalitiestext, image
Output Modalitiestext
Supported EndpointsChat Completions
Vision
Supports Tools