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
Specifications
- Provider
- OpenAI
- Context window
- 1.1M tokens
- Parameters
- —
- Released
- —
- Open weights
- —
- Frontier model
- No
Benchmarks
- LMArena Vision Elovision
- 1258.2
- LMArena (Chatbot Arena) Elohuman-preference
- 1430.6
- Epoch Capabilities Indexcomposite
- 156.4
- LMArena WebDev Elocoding
- 1518.4
- GPQA Diamondreasoning
- 91.6
Speed & latency
Time to first token
4.53s
Output speed
142 tok/s
End-to-end response
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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-5 Image Mini$2.00/1MOpenAI: GPT-5.6 Luna vs OpenAI: gpt-oss-120b (free)$0.00/1MOpenAI: GPT-5.6 Luna vs OpenAI: gpt-oss-20b (free)$0.00/1MOpenAI: GPT-5.6 Luna vs OpenAI: GPT-5.1-Codex-Mini$2.00/1MOpenAI: GPT-5.6 Luna vs GPT-5 Chat (latest)$10.00/1M
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.