Text model
GPT-5.6 Terra Pro
openai/gpt-5.6-terra-pro
openai/gpt-5.6-terra-pro is a language model from OpenAI you can call on the OceanToken API at $2.00 per 1M input tokens and $12.00 per 1M output tokens, with a 922K-token context window and up to 128K output tokens; it supports reasoning, tool calling, image input.
At a glance
| Model ID | openai/gpt-5.6-terra-pro |
|---|---|
| Type | Text |
| Publisher | OpenAI |
| Context window | 922,000 tokens |
| Max output | 128,000 tokens |
| Input price | $2.00 per 1M tokens |
| Output price | $12.00 per 1M tokens |
| Cached input price | $0.20 per 1M tokens |
| Cache write price | $2.50 per 1M tokens |
| Capabilities | reasoning, tool calling, image input |
| Endpoint | /v1/chat/completions, /v1/responses |
| API shape | OpenAI-compatible |
| In the catalog since | 2026-07-09 |
Call it
Base URL https://api.oceantoken.ai/v1, your OceanToken key as the bearer token, and the model ID above as model. The OpenAI SDKs work unchanged; see your first request.
curl https://api.oceantoken.ai/v1/chat/completions \
-H "Authorization: Bearer $OCEANTOKEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "openai/gpt-5.6-terra-pro", "messages": [{"role": "user", "content": "Hello"}]}'
Compared with similar models
Text models on OceanToken closest to openai/gpt-5.6-terra-pro in price. Every price is what you pay, in US dollars, with no platform fee on top.
| Model | Publisher | Context | Price (per 1M tokens) |
|---|---|---|---|
| GPT-5.6 Terra Pro | OpenAI | 922,000 | $2.00 / $12.00 |
Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview | 1.05M | $2.00 / $12.00 | |
Gemini 3.1 Pro Preview Customtoolsgoogle/gemini-3.1-pro-preview-customtools | 1.05M | $2.00 / $12.00 | |
Claude Sonnet 5anthropic/claude-sonnet-5 | Anthropic | 1M | $2.00 / $10.00 |
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All OpenAI models on OceanToken
Use it
Create an account All models and prices
Prices and capabilities on this page were read from the live OceanToken catalog on 2026-10-18 (UTC), when the documentation was built. If a price has changed since, the console's Models page shows the current one.