← Back to Directory

GPT-5.6 Luna Pro

OPENAI Developer Architecture Profile

OpenRouter ↗HuggingFace ↗
Intelligence (ELO)1504Chatbot Arena Verified
Max Context1,050,000Tokens
API Cost / 1M$7.00Blended Prompt + Completion

Model Capabilities

  • Coding & Logic
  • Fictional
GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Granular Pricing Matrix

Input Tokens (Prompt)$1.00 / 1M
Output Tokens (Completion)$6.00 / 1M

Pricing data via OpenRouter. Sync: 7/9/2026

Evaluate Competitors

VS Engine MatchupGPT-5.6 Luna Pro vs OpenAI: GPT Chat LatestVS Engine MatchupGPT-5.6 Luna Pro vs OpenAI: GPT-4o-mini Search PreviewVS Engine MatchupGPT-5.6 Luna Pro vs Qwen2.5 72B InstructVS Engine MatchupGPT-5.6 Luna Pro vs OpenAI: GPT-5.6 Sol ProVS Engine MatchupGPT-5.6 Luna Pro vs OpenAI: GPT-5.6 SolVS Engine MatchupGPT-5.6 Luna Pro vs Google: Gemini 3.1 Pro Preview