GPT-6 Luna

OPENAI Developer Architecture Profile

OpenRouter ↗HuggingFace ↗

Intelligence (ELO)1433Chatbot Arena Verified

Max Context Limit1,050,000Max Out: 128,000 tokens

Prompt Caching90% OFF$0.01 / 1M cached

Standard API / 1M$0.60Blended Standard Rate

Model Capabilities & Contract SLAs

Coding & Logic
Fictional

GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...

Granular Pricing Matrix

Input Tokens (Standard Prompt)$0.10 / 1M

⚡ Cached Input (Prompt Cache Read)90% OFF$0.01 / 1M

Output Tokens (Completion)$0.50 / 1M

Pricing data via OpenRouter. Sync: 10/2/2026

Evaluate Competitors

VS Engine MatchupGPT-6 Luna vs OpenAI: GPT-6 Sol Pro VS Engine MatchupGPT-6 Luna vs Qwen: Qwen3.8 2.4T A95B VS Engine MatchupGPT-6 Luna vs MoonshotAI: Kimi K2.7 Code VS Engine MatchupGPT-6 Luna vs Qwen: Qwen3.7 Max VS Engine MatchupGPT-6 Luna vs Google: Gemma 4 31B VS Engine MatchupGPT-6 Luna vs Arcee AI: Trinity Large Thinking