OpenAI

GPT-6 Luna Compare

per 1M tokens, in / out

GPT-6 Luna comparisons

Same category, both with a listed price. Facts only, with no score or verdict.

Comparison	Listed prices
Claude Haiku 5.5 vs GPT-6 Luna	GPT-6 Luna $0.10 / $0.50 vs Claude Haiku 5.5 $0.10 / $0.50 per 1M tokens in / out
GLM-5.3-Flash vs GPT-6 Luna	GPT-6 Luna $0.10 / $0.50 vs GLM-5.3-Flash $0.15 / $0.50 per 1M tokens in / out
GPT-6 Luna vs MiniMax M3.1 Flash	GPT-6 Luna $0.10 / $0.50 vs MiniMax M3.1 Flash $0.15 / $0.60 per 1M tokens in / out

How does GPT-6 Luna compare to Claude Haiku 5.5 on price

GPT-6 Luna $0.10 / $0.50 vs Claude Haiku 5.5 $0.10 / $0.50 per 1M tokens in / out.

How does GPT-6 Luna compare to GLM-5.3-Flash on price

GPT-6 Luna $0.10 / $0.50 vs GLM-5.3-Flash $0.15 / $0.50 per 1M tokens in / out.

How does GPT-6 Luna compare to MiniMax M3.1 Flash on price

GPT-6 Luna $0.10 / $0.50 vs MiniMax M3.1 Flash $0.15 / $0.60 per 1M tokens in / out.

Source: openai.com, read Nov 9, 2026.