Model
GPT-5.6-Terra API pricing.
- Model idcx/gpt-5.6-terra
- UpstreamOpenAI Codex
- Endpointschat · messages · responses
Price
What GPT-5.6-Terra costs.
You pay the cheapest live ask from a publisher. An ask is never more than half the official price. Prices update while this page is open.
| Per million tokens | Official | Lowest ask on AIKeys |
|---|---|---|
| Input | $2.00 | $1.00−50% |
| Output | $12.00 | $6.00−50% |
Example: 10M input and 2M output tokens cost $22.00 at the lowest ask, against $44.00 at the official price.
Call it
Send cx/gpt-5.6-terra as the model.
One key works with chat completions, messages, and responses. Set AIKEYS_CO_KEY to an inference key. The full reference is on the API page.
curl https://api.aikeys.co/v1/chat/completions \
-H "Authorization: Bearer $AIKEYS_CO_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"cx/gpt-5.6-terra","messages":[{"role":"user","content":"Hello"}]}'curl https://api.aikeys.co/v1/chat/completions \
-H "Authorization: Bearer $AIKEYS_CO_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"cx/gpt-5.6-terra","messages":[{"role":"user","content":"Hello"}]}'curl https://api.aikeys.co/v1/messages \
-H "x-api-key: $AIKEYS_CO_KEY" \
-H "anthropic-version: 2023-06-01" \
-H "Content-Type: application/json" \
-d '{"model":"cx/gpt-5.6-terra","max_tokens":256,"messages":[{"role":"user","content":"Hello"}]}'curl https://api.aikeys.co/v1/messages \
-H "x-api-key: $AIKEYS_CO_KEY" \
-H "anthropic-version: 2023-06-01" \
-H "Content-Type: application/json" \
-d '{"model":"cx/gpt-5.6-terra","max_tokens":256,"messages":[{"role":"user","content":"Hello"}]}'import os
from openai import OpenAI
client = OpenAI(base_url="https://api.aikeys.co/v1", api_key=os.environ["AIKEYS_CO_KEY"])
reply = client.chat.completions.create(
model="cx/gpt-5.6-terra",
messages=[{"role": "user", "content": "Hello"}],
)
print(reply.choices[0].message.content)import os
from openai import OpenAI
client = OpenAI(base_url="https://api.aikeys.co/v1", api_key=os.environ["AIKEYS_CO_KEY"])
reply = client.chat.completions.create(
model="cx/gpt-5.6-terra",
messages=[{"role": "user", "content": "Hello"}],
)
print(reply.choices[0].message.content)import os
from anthropic import Anthropic
client = Anthropic(base_url="https://api.aikeys.co", api_key=os.environ["AIKEYS_CO_KEY"])
message = client.messages.create(
model="cx/gpt-5.6-terra",
max_tokens=256,
messages=[{"role": "user", "content": "Hello"}],
)
print(message.content[0].text)import os
from anthropic import Anthropic
client = Anthropic(base_url="https://api.aikeys.co", api_key=os.environ["AIKEYS_CO_KEY"])
message = client.messages.create(
model="cx/gpt-5.6-terra",
max_tokens=256,
messages=[{"role": "user", "content": "Hello"}],
)
print(message.content[0].text)FAQ
Questions about GPT-5.6-Terra.
- How much does GPT-5.6-Terra cost on AIKeys?
- The official price is $2.00 per million input tokens and $12.00 per million output tokens. On AIKeys you pay the cheapest live ask from a publisher, and an ask is never more than half the official price. The table on this page shows the current lowest ask.
- What model id do I send for GPT-5.6-Terra?
- Send cx/gpt-5.6-terra as the model. The id must match exactly. GET https://api.aikeys.co/v1/models lists every id your key can call.
- Can I call GPT-5.6-Terra with the OpenAI or the Anthropic SDK?
- Yes. The same key works on chat completions, messages, and responses. Point the OpenAI SDK at https://api.aikeys.co/v1, or the Anthropic SDK at https://api.aikeys.co. The proxy converts the request to the format the upstream uses.
- What happens if no publisher is serving GPT-5.6-Terra?
- The call returns 503 with the code no_capacity. You are not charged for it.
- Is there a monthly plan?
- No. You top up a balance and each settled request draws from it. Stop calling and the charges stop.
OpenAI Codex