GPT-5.6 Luna

openai

98.1
Coding Score
98.1
Context
400K
Input Price
$1.5
per 1M tokens
Output Price
$9
per 1M tokens

Strengths

  • + Fast, low-latency code completions
  • + Strong quality at a lightweight price point
  • + Great for high-volume inline suggestions
  • + Excellent cost efficiency for everyday coding

Weaknesses

  • − Smaller context window than sol/terra
  • − Less suited for deep multi-step reasoning

Best For

Real-time completions High-volume inline suggestions Cost-sensitive workflows Copilot autocomplete

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Last updated: July 15, 2026