OpenAI: GPT-6 Luna API pricing

OpenAI: GPT-6 Luna costs per 1M tokens, normalized from the live OpenRouter feed — plus every comparable model that's cheaper.

Token Price Index › Browse › OpenAI: GPT-6 Luna

OpenAI: GPT-6 Luna from OpenAI costs $0.100/M input / $0.500/M output per 1M tokens ($0.200/M blended). 57 comparable models are cheaper — the cheapest, MiniMax: MiniMax M3.1 Flash (free) at Free blended, is about 100% cheaper. Your row is highlighted below.

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ModelContextInput $/MOutput $/MBlended $/M
OpenAI: GPT-6 Lunavisioncache
openai
1,050,000$0.100/M$0.500/M$0.200/M
MiniMax: MiniMax M3.1 Flash (free)visionfree
minimax
1,000,000FreeFreeFree
NVIDIA: Nemotron 3.5 Super VL (free)visionfree
nvidia
1,000,000FreeFreeFree
Dots Studio: Dots3-Note Preview (free)visionfree
dots-studio
512,000FreeFreeFree
Thinking Machines: Inkling Small (free)visionfree
thinkingmachines
1,048,576FreeFreeFree
Thinking Machines: Inkling (free)visionfree
thinkingmachines
1,048,576FreeFreeFree
NVIDIA: Nemotron 3.5 Content Safety (free)visionfree
nvidia
128,000FreeFreeFree
NVIDIA: Nemotron 3 Nano Omni (free)visionfree
nvidia
256,000FreeFreeFree
Google: Gemma 4 26B A4B (free)visionfree
google
262,144FreeFreeFree
Google: Gemma 4 31B (free)visionfree
google
262,144FreeFreeFree
Google: Lyria 3 Pro Previewvisionfree
google
1,048,576FreeFreeFree
Google: Lyria 3 Clip Previewvisionfree
google
1,048,576FreeFreeFree
DeepSeek: DeepSeek V4.1 Flashvisioncache
deepseek
1,048,576$0.028/M$0.011/M$0.024/M
ScaleDown: Summarizevision
scaledown
1,000,000$0.040/MFree$0.030/M
ScaleDown: Extractvision
scaledown
1,000,000$0.040/MFree$0.030/M
Nex AGI: Nex-N2.5-Minivisioncache
nex-agi
262,144$0.025/M$0.100/M$0.044/M

Frequently asked questions

How much does OpenAI: GPT-6 Luna cost per 1M tokens?
OpenAI: GPT-6 Luna costs $0.100/M for input and $0.500/M for output per 1M tokens, a blended $0.200/M (weighting input 3:1 over output). Pulled live from the OpenRouter API and updated daily.
Is there a cheaper alternative to OpenAI: GPT-6 Luna?
The cheapest comparable (vision-capable) alternative right now is MiniMax: MiniMax M3.1 Flash (free) at Free blended — roughly 100% cheaper than OpenAI: GPT-6 Luna. Whether it fits depends on your quality bar; the table lists 15 cheaper options.
What is OpenAI: GPT-6 Luna's context window?
OpenAI: GPT-6 Luna supports a context window of 1,050,000 tokens and accepts image input. Larger context lets you pass more text or documents in a single call.
How can I get alerted when OpenAI: GPT-6 Luna changes price?
Token Price Index Pro ($9/mo) emails you the moment OpenAI: GPT-6 Luna — or any model you follow — changes price, so you never overpay after a hike or miss a drop.

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Data: OpenRouter public model API, normalized to $/1M tokens. Blended = (3×input + output)/4. Generated 19 Oct 2026 22:00 UTC. Prices change often — confirm on the provider before committing spend.