GPT 5.6 Luna vs GPT 5.6 Terra
Compare GPT 5.6 Luna and GPT 5.6 Terra 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
196MCompletion
986KTotal
197MStartup
Startup
Latency (p50)1.01s
Throughput (p50)57.0 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
AuthorOpenAI
Context Length1.1M
Supports Tools
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic tasks where capability and cost need to be balanced, offering strong performance at roughly half the cost of Sol.
Activity
Last 14 daysPrompt
56MCompletion
417KTotal
57MStartup
Startup
Latency (p50)0.71s
Throughput (p50)46.0 tok/s
Pricing
Input$1.25/M tokens
Output$7.50/M tokens
Cached input$0.13/M tokens
Features
Input Modalitiestext, image, file
Output Modalitiestext
Supported EndpointsChat Completions
Vision
Supports Tools