GPT-5.6 Terra

openai/gpt-5.6-terra

Explore GPT-5.6 Terra, its capabilities and current pricing on Vecbase.

InputFileImageText
OutputText
Input / Outputclub$2.12 / $12.72per 1M tokens · USD
Context window200Ktoken
Maximum output128Ktoken

Pricing

Current model usage rates. Choose your plan to see its published prices.

Pricing
UsagePricing
InputUS$2.12/ 1M token
InputInput length ≥ 272,000 tokensUS$4.24/ 1M token
Cache readUS$0.212/ 1M token
Cache readInput length ≥ 272,000 tokensUS$0.424/ 1M token
Cache writeUS$2.65/ 1M token
Cache writeInput length ≥ 272,000 tokensUS$5.3/ 1M token
Cache write · 1 hUS$0/ 1M token
Cache write · 1 hInput length ≥ 272,000 tokensUS$0/ 1M token
OutputUS$12.72/ 1M token
OutputInput length ≥ 272,000 tokensUS$19.08/ 1M token

Membership and model usage are billed separately. Compare plans

Capabilities

Input
FileImageText
Output
Text
Context window
200,000 token
Maximum output
128,000 token

Providers

Model supply available through Vecbase.

Via OpenRouter

Access is subject to your account’s permissions and model availability.

Frequently asked questions

What is GPT-5.6 Terra, and who develops it?

GPT-5.6 Terra is a model from OpenAI. Its model ID on Vecbase is openai/gpt-5.6-terra.

How much does GPT-5.6 Terra cost on Vecbase?

For GPT-5.6 Terra, the Club plan lists USD 2.12 per 1 million input tokens and USD 12.72 per 1 million output tokens, as of 9/15/2026, 4:38:14 AM UTC. See the pricing table for cache rates, input-length tiers and other usage types. Membership fees are separate.

How many tokens fit in GPT-5.6 Terra’s context window?

GPT-5.6 Terra has a context window of 200,000 tokens. Input and output must fit within the limits of the API you use.

What is the maximum output length for GPT-5.6 Terra?

GPT-5.6 Terra can generate up to 128,000 tokens per response. Your API or request settings may set a lower limit.

Can GPT-5.6 Terra call tools in an agent workflow?

Yes. GPT-5.6 Terra supports tool calling. Your application provides the tool definitions and runs the tools the model requests.

Does GPT-5.6 Terra support structured outputs?

Yes. GPT-5.6 Terra supports structured output. Set the required format in your API request and check the returned data before using it.

Which input and output formats does GPT-5.6 Terra support?

GPT-5.6 Terra accepts File, Image, and Text and produces Text.

Which providers make GPT-5.6 Terra available through Vecbase?

Vecbase offers GPT-5.6 Terra through OpenRouter. Availability may vary by provider.

Which model ID should an agent use to request GPT-5.6 Terra?

Use openai/gpt-5.6-terra as the model identifier for GPT-5.6 Terra. See Vecbase’s API documentation for authentication, required inputs and supported request formats.

What does an agent need to access GPT-5.6 Terra through Vecbase?

To use GPT-5.6 Terra, you need an authenticated account with the required permissions, sufficient balance and the relevant capability enabled. See the documentation for setup.

Is a release date available for GPT-5.6 Terra?

We do not yet have a confirmed release date for GPT-5.6 Terra.

Which models can I compare with GPT-5.6 Terra on Vecbase?

You can compare GPT-5.6 Terra with GPT Mini Latest (openai/gpt-mini-latest), GPT Latest (openai/gpt-latest), and GPT-5.5 (openai/gpt-5.5). Check their capabilities and prices to find the best fit for your task.