GPT-5.6 Terra

OpenAI balanced GPT-5.6 model for everyday work, coding and high-quality general tasks

Published

scheduleReleased：June 26, 2026

GPT-5.6 Terra is an OpenAI general-purpose model for everyday assistants, coding collaboration, content generation, complex Q&A and balanced production workloads.

starsCapabilities

visibilityVision understandingcodeFunction callingstreamStreaming outputdata_objectStructured output

paymentsContext and pricing

Context limit1,050,000

Max output128,000

Knowledge cutoff2026-02-16

Input price$2.5/ 1M tokens

Output price$15/ 1M tokens

Cached input price$0.25/ 1M tokens

descriptionOverview

Overview

GPT-5.6 Terra is a general-purpose model in the official OpenAI model catalog, with model ID gpt-5.6-terra. It should be evaluated for text understanding, generation, coding assistance, structured processing and multimodal product capabilities rather than single-purpose image generation, transcription or TTS.

Best for

Use GPT-5.6 Terra as a core candidate for assistants, complex Q&A, coding, long-form analysis, workflow automation and vision-enabled applications. Before production, compare context length, pricing, latency, tool support and real output quality.

lightbulbUse cases

Assistants and complex Q&A
Code generation and code review
Content generation, summarization and rewriting
Structured extraction and automation

thumb_upStrengths

Useful for general production workloads
Covers text understanding and generation
Easy to compare with smaller variants
Good core model for agent and tool workflows

infoLimitations

Capabilities and pricing depend on official OpenAI documentation
Higher-quality models usually cost more and add latency
Complex workflows still need prompts, tools and evaluation
Not a replacement for dedicated image, transcription or TTS models

linkReferences

open_in_newhttps://platform.openai.com/docs/models