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GPT-6 Luna Pro Pricing
OpenAI · openai-gpt-6-luna-pro
Input / 1M tokens
$0.100
Output / 1M tokens
$0.500
Context window
1050k tokens
≈ 1,400 pages of text
Max output
128k tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0003
1,000 requests / month$0.32/mo10,000 requests / month$3.20/mo100,000 requests / month$32.00/moEstimate your own workloadOpens the calculator with GPT-6 Luna Pro preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Handles extended multi-turn reasoning and large multimodal inputs with 1M-token context and 128K output capacity at low per-token cost.
The business tradeoff
As an unreleased model, production latency, output consistency, and integration maturity remain unverified relative to current OpenAI offerings.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Sep 22, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.