Pricingby GlyphGPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol.
Ways to buy 8
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
flex, cheapest · cached $0.005 | $0.05 | $0.25 | $0.05 / $0.25-50% vs list | $0.005 | -50% vs list |
The lab's own API · cached $0.01 | $0.1 | $0.5 | $0.1 / $0.5List price | $0.01 | List price |
 AWS Bedrockglobal · cached $0.01 | $0.1 | $0.5 | $0.1 / $0.5Same as list | $0.01 | Same as list |
Default region · cached $0.01 | $0.1 | $0.5 | $0.1 / $0.5Same as list | $0.01 | Same as list |
| AWS Bedrock us-east-1 · cached $0.011 | $0.11 | $0.55 | $0.11 / $0.55+10% vs list | $0.011 | +10% vs list |
eu · cached $0.011 | $0.11 | $0.55 | $0.11 / $0.55+10% vs list | $0.011 | +10% vs list |
us · cached $0.011 | $0.11 | $0.55 | $0.11 / $0.55+10% vs list | $0.011 | +10% vs list |
fast · cached $0.02 | $0.2 | $1 | $0.2 / $1+100% vs list | $0.02 | +100% vs list |
USD per 1M tokens; batch $0.05 in, $0.25 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $20.00 direct.
Kong AI Gateway$20.00+0%
LiteLLM$20.00+0%
Neon AI Gateway$20.00+0%
Vercel AI Gateway$20.00+0%
Cloudflare AI Gateway$21.00+5%
Requesty$21.00+5%
Eden AI$21.10+5.5%
OpenRouter$21.10+5.5%
HeliconeNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | |||||||
|---|---|---|---|---|---|---|---|---|
OpenAI · 1.05MCheapest: $1 on OpenAI (flex) | $1 | $5 | $1 / $5 | $2 | 1.05M | $1 on OpenAI (flex) | · | GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. |
OpenAI · 1.05MCheapest: $1 on OpenAI (flex) | $1 | $5 | $1 / $5 | $2 | 1.05M | $1 on OpenAI (flex) | · | GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · | GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · | GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. |
DeepSeek · 1MCheapest: $0.081 on Particle AI (us-flex) | $0.15 | $0.6 | $0.15 / $0.6 | $0.262 | 1M | $0.081 on Particle AI (us-flex) | · | DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the deepseek-flash API model name. |
DeepSeek · 1M | $0.045 | $0.3 | $0.045 / $0.3 | $0.109 | 1M | on InferenceNet (fp8) | · | DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. |
Anthropic · 1M | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1M | Lab list price | · | Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. |
Cohere · 128K | $0.12 | Free | $0.12 / Free | $0.09 | 128K | Lab list price | · | Embed 5 Pro is the higher-accuracy tier of Cohere's Embed 5 family of multimodal embedding models (about 2.4B parameters). |
About GPT-6 Luna
Takes files, image, text in and returns text. First listed Sep 23, 2026. Up to 128K output tokens. Blended price $0.2 per 1M tokens at 3 input to 1 output. Model id gpt-6-luna.
Price history
List price since Sep 23, 2026, from daily reads of the OpenRouter catalog.
Questions
How much does GPT-6 Luna cost?
$0.1 per million input tokens and $0.5 per million output tokens, with cached input at $0.01, or $0.05 and $0.25 through the Batch API.
What is the context window of GPT-6 Luna?
1.05M tokens, with up to 128K tokens of output.
Where is GPT-6 Luna cheapest?
Of 8 routes tracked, OpenAI is cheapest at $0.05 input and $0.25 output per million tokens.