OpenAI
GPT-6 Luna Pricing, Specs & Alternatives
Cheapest current OpenAI text model. Included in ChatGPT Go.
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Questions
How much does GPT-6 Luna cost
GPT-6 Luna lists $0.10 per 1M input tokens and $0.50 per 1M output tokens, checked Nov 9, 2026 on platform.openai.com.
When was GPT-6 Luna released
Sep 22, 2026, per developers.openai.com.
What is the GPT-6 Luna context window
1,050,000 tokens, per developers.openai.com, read Nov 9, 2026.
Who makes GPT-6 Luna
OpenAI.
What are alternatives to GPT-6 Luna
Claude Haiku 5.5, DeepSeek V4.1 Flash, Gemini 3.1 Flash-Lite, Gemini 3.5 Flash-Lite, Gemini 3 Flash Preview.
Head to head
All comparisons- 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.