Build next-gen apps with GPT-5.6 Terra
Pricing
Input tokens <= 272K
Per 1M Tokens- Official Price
- Input $2.50 / Output $15.00 / Cache Read $0.25 / Cache Write $3.13
- TokenLab Price
- Input $0.75 / Output $4.50 / Cache Read $0.075 / Cache Write $0.9375
- Discount
- 70%
Input tokens 272K-1.05M
Per 1M Tokens- Official Price
- Input $5.00 / Output $22.50 / Cache Read $0.50 / Cache Write $6.25
- TokenLab Price
- Input $1.50 / Output $6.75 / Cache Read $0.15 / Cache Write $1.88
- Discount
- 70%
| Official PricePer 1M Tokens | TokenLab PricePer 1M Tokens | Discount | |
|---|---|---|---|
| Input tokens <= 272K | Input $2.50 / Output $15.00 / Cache Read $0.25 / Cache Write $3.13 | Input $0.75 / Output $4.50 / Cache Read $0.075 / Cache Write $0.9375 | 70% |
| Input tokens 272K-1.05M | Input $5.00 / Output $22.50 / Cache Read $0.50 / Cache Write $6.25 | Input $1.50 / Output $6.75 / Cache Read $0.15 / Cache Write $1.88 | 70% |
| Cache Read | $0.25 | $0.075 | 70% |
| Cache Write | $3.13 | $0.9375 | 70% |
One-click test
Sign in once and Web Agent keeps this model, prompt, and request preset for you.
Test gpt-5.6-terra in Web Agent with a short request at /v1/responses, then show request body, latency, and response.
API workbench
The default route for production. The code sample below uses this endpoint with the format you pick.
curl https://api.tokenlab.sh/v1/responses \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "gpt-5.6-terra",
"input": "Hello!"
}'Use cases
Best forVision
Reading images, parsing documents, and answering visual questions
Code
Writing, reviewing, and debugging code in real engineering loops
Reasoning
Multi-step reasoning, analysis, and research workflows
Agents and tools
Drive reasoning, support triage, tool calls, and multi-step task flows.
Developer workflows
Generate, review, or debug code without rewiring your stack.
Knowledge assistants
Ship chat, search, and retrieval with predictable cost and behavior.
Side-by-side test
Compare real response quality, latency, and price for production defaults.
Prompt examples
Write a concise support reply and list the assumptions behind it.
Review this API design and call out the top three integration risks.
Turn a long changelog into release notes a non-engineer would read.
Cost Calculator
FAQ
How much does GPT-5.6 Terra cost?
On TokenLab, GPT-5.6 Terra costs Input $0.75 / Output $4.50 Per 1M Tokens. The pricing table above shows the full breakdown.
What is GPT-5.6 Terra best for?
GPT-5.6 Terra is a strong fit for Vision, Tool Use, JSON Mode. You can call it through TokenLab with one API key.
How do I call the GPT-5.6 Terra API?
Get a TokenLab API key, then send your request to https://api.tokenlab.sh/v1/responses. The API workbench above has a recommended endpoint and copy-ready code.
Which endpoint should GPT-5.6 Terra use?
Use https://api.tokenlab.sh/v1/responses as the default for GPT-5.6 Terra. If a provider-native format is supported, the API workbench shows that endpoint too.
Can I test GPT-5.6 Terra before integrating it?
Yes. Try in Web Agent opens a ready test for GPT-5.6 Terra and keeps your prompt after sign-in, so you don’t lose context.