OpenAI model
GPT-6 Luna Pro API cost calculator
GPT-6 Luna Pro costs $0.10 per 1M input tokens and $0.50 per 1M output tokens on the OpenAI API, with a 1.1M-token context window. A typical request (2K input, 500 output tokens) costs $0.0004 — about $13.50/month at 1,000 requests per day. Use the calculator below to model your exact workload.
Find me a cheaper modelWhat real workloads cost on GPT-6 Luna Pro
| Workload | Tokens (in / out) | Per request | Per 1K requests |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0002 | $0.20 |
| RAG query with context | 4,000 / 500 | $0.0006 | $0.65 |
| Document summarization | 20,000 / 1,000 | $0.0025 | $2.50 |
| Agent coding session | 100,000 / 5,000 | $0.01 | $12.50 |
GPT-6 Luna Pro vs other OpenAI models
| Model | Input /1M | Output /1M | Context |
|---|---|---|---|
| GPT-6 Luna Pro | $0.10 | $0.50 | 1.1M |
| GPT-6.1 Sol Pro | $2 | $10 | 1.1M |
| GPT-6.1 Sol | $2 | $10 | 1.1M |
| GPT-6 Luna | $0.10 | $0.50 | 1.1M |
| GPT-6 Sol Pro | $2 | $10 | 1.1M |
Frequently asked questions
How much does GPT-6 Luna Pro cost per 1M tokens?
According to current pricing data, GPT-6 Luna Pro costs $0.10 per 1M input tokens and $0.50 per 1M output tokens. Processing 1M tokens each way costs $0.60.
What does a typical API request to GPT-6 Luna Pro cost?
A typical request with 2,000 input tokens and 500 output tokens costs $0.0004. At 1,000 requests per day that is $0.45 daily, or about $13.50 per month.
What is GPT-6 Luna Pro's context window?
GPT-6 Luna Pro supports a 1.1M-token context window (1,050,000 tokens).
Does GPT-6 Luna Pro support prompt caching?
Yes. Cached input tokens cost $0.01 per 1M — a 90% discount versus the standard input rate, which matters for agents and chat apps that resend the same system prompt.
What is a cheaper alternative to GPT-6 Luna Pro?
DeepSeek Flash Latest from ~deepseek is currently the cheapest comparable option at $0.00 per 1M input tokens versus $0.10 for GPT-6 Luna Pro — roughly 33x cheaper on input.
Prices may differ from OpenAI's official pricing page for batch, tiered, or fine-tuned usage. Compare all current prices on the live model pricing dashboard, see GPT-6 Luna Pro vs DeepSeek Flash Latest pricing, or run GPT-6 Luna Pro head-to-head against other models in the side-by-side comparison playground.
Pricing data via the OpenRouter models API.