GPT-5.6 Terra

gpt-5.6-terra

Cheaper. More stable. One-stop API aggregation.

Introduction

GPT-5.6 Terra is the cost/performance sibling of Sol — strong general intelligence with a lower token rate.

It is a practical default for product chat, RAG answers, and Cursor-style coding assistants.

Authenticate with your LumeAPI key against `https://api.lumeapi.site/v1` and set `model` to `gpt-5.6-terra`.

LumeAPI meters USD wallet quota using the published Terra rates.

Pricing

Official$2.50 / $15.00

LumeAPI$1.25 / $7.50

per 1M tokens (in/out)

Endpoint

Base URL: https://api.lumeapi.site/v1

Auth: Authorization: Bearer <your-lumeapi-key>

Developer docs

Open the integration notes for this model, or the modality guide for request fields and polling.

Model docs All model docs Agent docs (llms.txt)

curl https://api.lumeapi.site/v1/chat/completions \
  -H "Authorization: Bearer $LUMEAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.6-terra",
    "messages": [{"role":"user","content":"Hello"}]
  }'

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