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GPT-5.6 Luna API Price
OpenAI · gpt-5.6-luna
| Billing | USD · 1M tokens |
|---|---|
| Context Window | 1050K tokens |
| Max Output | 128K tokens |
| Modalities | Text / Image |
| Deep Thinking | Supported |
| Verified Date | 2026-09-04 |
| Official pricing page | developers.openai.com/api/docs/pricing ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
cache writes 按 1.25x 输入价;区域端点 +10%。
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Pricing Tiers
| Tier | Price | Description |
|---|---|---|
| short context(input≤272K) | in $0.2 / out $1.2 /1M tokens | cached input $0.02;cache writes $0.25 |
| long context(input>272K) | in $0.4 / out $1.8 /1M tokens | cached input $0.04;cache writes $0.50 |
Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
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FAQ
How much does the GPT-5.6 Luna API cost?
Input $0.2/1M tokens, output $1.2/1M tokens
How large is the GPT-5.6 Luna context window?
1050K tokens, up to 128K tokens of output. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does GPT-5.6 Luna support?
Text / Image. Supports deep thinking / reasoning.
What is the approximate monthly cost of GPT-5.6 Luna?
Depends on volume: light use (1M input + 300K output per day) ≈ $16.8/month; medium (5M + 1.5M) ≈ $84/month; heavy agents (10M + 3M) ≈ $168/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does GPT-5.6 Luna compare with peers on value?
OpenAI GPT-5.6 Luna is priced low among comparable models; compare against GPT-4o, Claude 3.5 and Gemini 2.5. See the Pricemon market table for a full comparison.
What use cases suit GPT-5.6 Luna?
Good for: chat systems, customer support, content generation, coding assistance, data analysis.The long context supports deep-analysis scenarios.
Does GPT-5.6 Luna have a free tier?
Check OpenAI's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.