import requests r = requests.post( "https://api.aimlapi.com/v1/chat/completions", headers={"Authorization": "Bearer " + AIMLAPI_KEY}, json={ "model": "openai/gpt-5.6-terra-pro", "messages": [ { "role": "user", "content": "Hello!" } ] }, ) print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", { method: "POST", headers: { Authorization: `Bearer ${process.env.AIMLAPI_KEY}`, "Content-Type": "application/json", }, body: JSON.stringify({ "model": "openai/gpt-5.6-terra-pro", "messages": [ { "role": "user", "content": "Hello!" } ] }), }); console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \ -H "Authorization: Bearer $AIMLAPI_KEY" \ -H "Content-Type: application/json" \ -d '{"model":"openai/gpt-5.6-terra-pro","messages":[{"role":"user","content":"Hello!"}]}'
OpenAI-compatible — swap the base URL and it works with your existing SDK.
| Type | Price |
|---|---|
| Input | |
| Output | |
| Cached input |
Prompts with more than 272K input tokens are billed at 2x input and 1.5x output for the full request, and cache writes are billed at 1.25x the uncached input token rate.
| Benchmark | Score | What it measures | Source | Retrieved |
|---|---|---|---|---|
| GPQA Diamond | 92.9% | Google-proof graduate science questions (hardest subset) | Source | September 21, 2026 |
| Humanity's Last Exam | 22.8% | Expert-level questions across many domains | Source | September 21, 2026 |
| MMMU | 83.2% | College-level multimodal understanding + reasoning | Source | September 21, 2026 |
| AIME 2025 | 44.7% | Competition mathematics (AIME), 2025 | Source | September 21, 2026 |
| MMLU-Pro | 90.0% | Multi-discipline knowledge + reasoning (harder MMLU) | Source | September 21, 2026 |
| Model | Input | Output | Context | Best for |
|---|---|---|---|---|
GPT-5.6 Terra Pro This page | Agentic workflows and structured output |
GPT-5.6 Terra Pro has a 1,050,000 tokens context window and can return up to 128,000 tokens.
GPT-5.6 Terra Pro takes image, text as input and returns text.
Use openai/gpt-5.6-terra-pro as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.
GPT-5.6 Terra Pro became available on July 9, 2026.
GPT-5.6 Terra Pro is priced at input $2.7508 / 1M tokens, output $16.5048 / 1M tokens, cached input $0.27508 / 1M tokens.
Yes, GPT-5.6 Terra Pro can stream responses as they are generated.
Yes, GPT-5.6 Terra Pro accepts image input alongside text.
GPT-5.6 Terra Pro was built by OpenAI.