GPT-5.6 Luna pricing
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for... Live index: 3 priced offers. Best input $0.100 per million tokens from Openrouter. Best output $0.600 per million tokens from Openrouter.
Pricing across providers
Use this table to read GPT-5.6 Luna list prices. We show 3 sources right now. Lowest input in the grid: Openrouter. The chart below the table helps when output prices are much higher than input prices.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
A Azure | $0.200 | $1.20 | $0.020 | — |
O OpenAInative | $0.200 | $1.20 | $0.020 | — |
O Openrouter | $0.100 | $0.600 | — | — |
Input vs output · per provider
Pricing history
These entries are only for the primary native listing of GPT-5.6 Luna, not every reseller row above. The native listing moved from $1.00 in and $6.00 out to $0.200 in and $1.20 out in the latest window.
Since Jul 31, 2026
$0.200 in · $1.20 out(current listing)
Output rate -80% vs previous period
Jul 9, 2026 → Jul 31, 2026
$1.00 in · $6.00 out
Cost calculator
Pick any of the providers above and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for GPT-5.6 Luna.
Provider
0.020000¢ / req
0.060000¢ / req
Model specifications
Context length, caps, and capability flags for GPT-5.6 Luna. Values follow the main provider (OpenAI) record in our index.
- Context window
- 1,050,000 tokens
- Max output
- 128,000 tokens
- Vision (images)
- Yes
- Tool / function calling
- Yes
- Streaming
- Yes
- Released
- Jul 2026
- Primary provider
- OpenAI
- Model family
- N/A
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Frequently asked questions
Answers pull from the same numbers you see on this page. The short model note from our index: GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning ...
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