OpenAI model

GPT-5.6 Terra

GPT-5.6 Terra is a OpenAI model listed in the NextModel catalogue for image understanding, multimodal chat workloads. Its listed price is Starting at $2 / 1M tokens input and $12 / 1M tokens output, with a 1M token context window.

OpenAIPlatform curatedCatalog
ThinkingFunction CallingVisionWeb Search
Input priceStarting at $2 / 1M tokens
Output price$12 / 1M tokens
Context length1M tokens
Max output8.2k tokens
Input lengthInput / 1MOutput / 1MCache hit / 1M
≤ 272k$2$12$0.2
> 272k$4$18$0.4

What is GPT-5.6 Terra in NextModel?

GPT-5.6 Terra is a OpenAI model listed in the NextModel catalogue for image understanding, multimodal chat workloads. Its listed price is Starting at $2 / 1M tokens input and $12 / 1M tokens output, with a 1M token context window.

GPT-5.6 Terra via NextModel: 1M-token context; Starting at $2 / 1M tokens in / $12 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

Best use cases

  • image understanding
  • multimodal chat

OpenAI-compatible code example

request.sh
curl https://api.nextmodel.app/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $NEXTMODEL_API_KEY" \
  -d '{"model":"openai/gpt-5.6-terra","messages":[{"role":"user","content":"Reply with OK."}]}'

Switching models only changes the model field.

Try it in the playground

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GPT-5.6 Luna via NextModel: 1M-token context; Starting at $0.2 / 1M tokens in / $1.20 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

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Best forimage understanding, multimodal chat
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GPT-5.6 Sol via NextModel: 1M-token context; Starting at $5 / 1M tokens in / $30 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

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GPT-4.1 via NextModel: 1M-token context; $2 / 1M tokens in / $8 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

$2 / 1M tokensInput$8 / 1M tokensOutput1MContext
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Reading

Articles that explain GPT-5.6 Terra

FAQ

GPT-5.6 Terra API questions

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