OpenAI · Language model

GPT-6 Luna

The fast, cheap GPT-6. Luna is built for high-volume jobs where speed and cost matter more than deep reasoning.

MakerOpenAI
ReleasedSeptember 22, 2026
API price (per 1M tokens)$0.1 in / $0.5 out
Open weightsNo

Best for

  • Chatbots and customer support
  • Classification and extraction
  • Anything at scale

Strengths

  • $0.10 per million input tokens
  • Optimised for fast responses

Watch out for

  • Not built for hard multi-step reasoning

Ranking history

EditionPower RankingsCodingBest ValueOpen-Weight WatchImage GenerationVideo Generation
Week 39, 2026#11 (82)—#2 (93)———

Head-to-head