OpenAI: GPT-5.6 Luna
OpenAI
OpenAI: GPT-5.6 Luna by OpenAI costs $0.20 per 1M input tokens and $1.20 per 1M output tokens, with a 1.1M-token context window.
Pricing
Input (per 1M tokens)
$0.20
Output (per 1M tokens)
$1.20
Cached input (per 1M)
$0.02
| Provider | Input / 1M | Output / 1M |
|---|---|---|
| openrouter | $0.20 | $1.20 |
| OpenAI | $0.20 | $1.20 |
Specifications
- Provider
- OpenAI
- Context window
- 1.1M tokens
- Parameters
- —
- Released
- —
- Open weights
- —
- Frontier model
- No
Benchmarks
- GPQA Diamond
- 91.6
- LMArena Vision Elo
- 1258.2
- LMArena WebDev Elo
- 1518.4
Speed & latency
Time to first token
2.10s
Output speed
167 tok/s
Fastest host: bedrock (via vercel-ai-gateway).
Compare OpenAI: GPT-5.6 Luna with…
OpenAI: GPT-5.6 Luna vs OpenAI: GPT-5.6 Sol Pro$10.00/1MOpenAI: GPT-5.6 Luna vs OpenAI: GPT-6.1 Sol Pro$10.00/1MOpenAI: GPT-5.6 Luna vs OpenAI: GPT-6.1 Sol Pro (batch)$5.00/1MOpenAI: GPT-5.6 Luna vs OpenAI: GPT-6.1 Sol$10.00/1MOpenAI: GPT-5.6 Luna vs OpenAI: GPT-6.1 Sol (batch)$5.00/1MOpenAI: GPT-5.6 Luna vs OpenAI: GPT-6 Luna Pro$0.50/1M
FAQ
How much does OpenAI: GPT-5.6 Luna cost?
OpenAI: GPT-5.6 Luna is priced at $0.20 per 1M input tokens and $1.20 per 1M output tokens. Output tokens cost more than input.
What is OpenAI: GPT-5.6 Luna's context window?
OpenAI: GPT-5.6 Luna supports a context window of 1.1M tokens — the maximum prompt plus response length it can handle in a single request.
Is OpenAI: GPT-5.6 Luna open weight?
Open-weight status for OpenAI: GPT-5.6 Luna is not recorded in our dataset.
Data as of 2026-10-14. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.