API Prices · OpenAI· API pricing reviewed 2026-10-15

GPT-6 Luna API prices

Input and output list prices, with the recorded billing terms and evidence.

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OpenAI list prices

USD per million tokens · non-batch requests at the recorded base tier · reviewed · official provider pricing

Input
$0.10/ 1M tokens
Output
$0.50/ 1M tokens
Blended · 3:1 input/output
$0.20/ 1M tokens

Billing terms: ≤272K prompt tokens; above 272K $0.20/$0.75.

One provider listing is recorded for this model. Blended = (3 × input + output) ÷ 4; price alone does not establish equivalent model quality or workload performance.

Recorded history

The dataset has no earlier observation of this exact model and provider. The current listing is a dated observation; there is not enough history to show a trend or a daily percentage change.

View the separate GPT-4-class benchmark-price history →

Billing terms and recorded alternatives

The standard tier includes 272K prompt tokens per request. The long-context rate applies to the whole request when the threshold is crossed.

Standard list

Input $/1M
$0.10
Output $/1M
$0.50

Recorded base tier; model-specific terms below apply.

Cache-hit input

Input $/1M
$0.01
Output $/1M
Not applicable

Cached input only; cache writes and storage are outside this table.

Batch

Input $/1M
$0.05
Output $/1M
$0.25

Provider batch API; availability and processing terms apply.

Long context

Input $/1M
$0.20
Output $/1M
$0.75

The prompt threshold and billing rule are recorded below.

How to read this comparison

Missing cache or batch prices mean they were not recorded for this model; no discount is assumed. Context, modality, time-of-day, introductory offers, taxes and service charges can affect a bill. Check the linked provider terms before buying.

Estimate a bill with your token mix →

Sources and citation

OpenAI official pricing evidence ↗ · reviewed

AI Compute Tracker (aicomputetracker.com), CC BY 4.0; third-party terms apply to data from Model API pricing pages

Copy-ready price citation

Cite as: AI Compute Tracker, “GPT-6 Luna API price”: $0.10 per 1M input tokens and $0.50 per 1M output tokens (OpenAI list price for non-batch requests; ≤272K prompt tokens; above 272K $0.20/$0.75; blended 3:1 $0.20), checked 2026-10-15, https://aicomputetracker.com/inference/#gpt-6-luna, AI Compute Tracker (aicomputetracker.com), CC BY 4.0; third-party terms apply to data from Model API pricing pages, accessed <date you visit>

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