OpenAI
Free
GPT-5.6 Luna
gpt-5.6-luna
The fast, affordable GPT-5.6 model for chat and light tasks.
Technical Specifications
| API Identifier | gpt-5.6-luna |
|---|---|
| Plans | Free |
| Maximum Context | 1M tokens |
| Vision (images) | ✓ Yes |
| Native Web Access | No |
| Image Generation | No |
| Input Cost | $0.20 / M tokens |
| Output Cost | $1.20 / M tokens |
Overview
GPT-5.6 Luna is the fast, cost-efficient tier of OpenAI's GPT-5.6 series. It suits high-volume, latency-sensitive use such as conversation, classification and lightweight agentic tasks, with capable reasoning and a 1-million-token context. On Mingo, it complements GPT-6 Luna on the Free plan.
Strengths
SpeedAffordable1M-token context
Ideal Use Cases
Conversation
Chat quickly about everyday topics.
Short texts
Write a caption, a message or a hook.
Pricing
Input Tokens
$0.20
per million tokens
Output Tokens
$1.20
per million tokens
Related Models
Frequently Asked Questions
Which Mingo plan gives access to GPT-5.6 Luna?
GPT-5.6 Luna is included in the following Mingo plans: Free. Mingo's router selects it automatically when it is the best fit for your request, and you can also pick it manually.
Why keep GPT-5.6 Luna when GPT-6 Luna exists?
It serves as a fallback and alternative on the Free plan. Mingo's router favors GPT-6 Luna, which is newer and cheaper.
Use GPT-5.6 Luna on Mingo
GPT-5.6 Luna and 130+ other models in one subscription: Mingo picks the best one for every question.
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