API pricing per million tokens
- Input
- $0.1
- per 1M, list
- Output
- $0.5
- per 1M tokens
- Cached input
- $0.01
- batch $0.05 / $0.25
- Context
- 1.05M
- 128K max output
Where to buy it (6)
OpenAIflex-50%$0.05 / $0.25cached $0.005
Azure AI Foundrydefault region$0.1 / $0.5cached $0.01
Through a gateway
Your own numbers100M input and 20M output tokens a month: $20.00 direct.
Helicone$20.00+0%
Kong AI Gateway$20.00+0%
LiteLLM$20.00+0%
Vercel AI Gateway$20.00+0%
AWS Bedrock$20.00+0%
Google Vertex AI$20.00+0%
Databricks Mosaic AI$20.00+0%
Hugging Face Inference$20.00+0%
Cloudflare AI Gateway$21.00+5%
Requesty$21.00+5%
Eden AI$21.10+5.5%
OpenRouter$21.10+5.5%
Snowflake Cortex AI$24.00+20%
Martian Gatewayn/a
Portkeyn/a
TrueFoundry AI Gatewayn/a
IBM watsonx.ain/a
OCI Generative AIn/a
NVIDIA NIMn/a
Related models
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Qwen3.8 Omni FlashQwen (Alibaba) · 1M$0.15 / $0.47in / out per 1M$0.15$0.47$0.0161MSep 21, 2026
Muse Spark 1.3 ContributorMeta · 1M$0.1 / $0.2in / out per 1M$0.1$0.2$0.0021MSep 2, 2026
About GPT-6 Luna Pro
GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
Takes files, image, text in and returns text. First listed Sep 23, 2026. Blended price $0.2 per 1M tokens at 3 input to 1 output.
Questions
How much does GPT-6 Luna Pro 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 Pro?
1.05M tokens, with up to 128K tokens of output.
Where is GPT-6 Luna Pro cheapest?
Of 6 routes tracked, OpenAI is cheapest at $0.05 input and $0.25 output per million tokens.
List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.