LLM
GPT-5.6 Luna Pro
by OpenAI
Prices last updated October 4, 2026
OpenAI's GPT-5.6 Luna Pro — extended-reasoning variant of GPT-5.6 Luna with vision/file input.
Context
1.1M
Max Output
128k
Providers
2
Cheapest Input
$0.200
Vision Function Calling JSON Mode Streaming Chat / InstructReasoning
Price Comparison
Compare pricing across 2 providers serving GPT-5.6 Luna Pro
| Provider | Input $/1M | Output $/1M | Context | Speed | TTFT | Status |
|---|---|---|---|---|---|---|
| OP OpenRouter | $0.200 ● | $1.20 | 1.1M | — | — | Live |
| VE Venice AI | $0.250 | $1.50 | 1M | — | — | Live |
● Cheapest ● Fastest Prices in USD per 1M tokens