GPT-5.6 Luna

CHEAPFAST

OpenAI · openai/gpt-5.6-luna

Available

Cost-optimised GPT-5.6 for high-volume workloads.

Input / 1M tokens

৳24.60

Output / 1M tokens

৳147.61

Cached input / 1M

৳2.46

Context length

1.05M

Max output

128K

Provider list price: $0.20 in · $1.20 out per 1M tokens (OpenAI), × ৳123.01 per dollar. No markup. A prompt over 272K tokens is billed at ৳49.20 in · ৳221.42 out per 1M for the whole request — the provider's own long-context price. Prompt tokens the provider writes to its cache: ৳30.75 per 1M.

Suitable for

Fast
Low Cost
Vision
Long context

Example request

cURL

curl https://padmarouter.com/v1/chat/completions \
  -H "Authorization: Bearer $PADMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.6-luna",
    "messages": [{"role": "user", "content": "Hello from Dhaka!"}]
  }'

Try in Playground Docs for this model

Performance

Throughput180 tok/s

Time to first token0.4s

StreamingSupported

Tool callingSupported, with reasoning off

Typical figures for this model, which the auto/* routers score on — not a guarantee for any one request.

Routing

Primary routeOpenAI direct

Fallback hostsNone — one host

Prompt retentionPadma keeps none unless you turn on payload logging; the provider's own API terms apply