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GPT-5.6 Terra API Pricing and Package Multipliers

Balanced GPT-5.6 model for high-quality agent and long-context workloads.

Model gpt-5.6-terra
chat.completionsresponses
Price Overview

GPT-5.6 Terra API Pricing

Official base: Input 2.5 / Output 15 / Cache read 0.25 / Cache write 3.125
Input $3.75
Output $22.5
Cache read $0.375
Cache write $4.6875
USD · / 1M Package multiplier: 1.5x

Cache hits are billed at the cache read price. Cache writes use the cache write price, and the Console usage detail shows the final cost breakdown.

Package Availability

GPT-5.6 Terra available packages and multipliers

Super Ultra
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
Lite
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
Plus
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
Pro
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
Max
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
Ultra
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
SU500
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
SU750
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
SU1000
Input: $3.75
Output: $22.5
Cache read: $0.375
Package multiplier: 1.5x
Integration

GPT-5.6 Terra OpenAI-compatible API access

After creating a key in the console, call this model with the unified model name gpt-5.6-terra. When package and pay-as-you-go balance are both available, package quota is used first.

model: "gpt-5.6-terra"
Best For
  • Good as a general-purpose model for text generation and everyday reasoning.
  • Good when you want package quota first, with pay-as-you-go enabled by key configuration.
Not Ideal For
  • Not ideal for legacy integrations that only accept OpenAI-compatible APIs.
  • Not ideal when you need dedicated SLA terms, private capacity, or a fixed-cost enterprise commitment.
Migration Notes

This model is available through the public catalog and unified gateway pricing configuration.

Open this model in the console

The public model page is for discovery and comparison. Actual API access, key creation, and model scopes are managed after sign-in.

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