GPT-5.6 Terra

Name: GPT-5.6 Terra
Price: 2 USD
Author: OpenAI

GPT-5.6vTerraCurrent

OpenAI(ai lab)

Released July 9, 2026

API Docs

OpenTools Scorenormalized /100

9.7

Valuescore / $M

OpenTools Score

Context1.1M tokens

Price (In / Out)$2.00/M / $12.00/M

Training CutoffFeb 16, 2026

CategoryLarge Language Model

Max Output128K tokens

About GPT-5.6 Terra

GPT-5.6 Terra is OpenAI balanced GPT-5.6 model for teams that need strong reasoning and agentic performance at lower cost than Sol. OpenAI model docs list a 1.05M token context window, 128K max output, and support for functions, web search, file search, and computer use.

Capabilities

textvisionreasoningcodingtool useweb searchfile searchcomputer useagents

Input Modalities

textimage

Output Modalities

text

Technical Details

API Identifier: gpt-5.6-terra
Category: Large Language Model
Context Window: 1,050,000 tokens
Max Output Tokens: 128,000 tokens

Benchmarks

Performance scores for GPT-5.6 Terra across standard benchmarks.

Artificial Analysis Intelligence IndexArtificial Analysis · Jul 2026

55%

Artificial Analysis Coding Agent IndexArtificial Analysis · Jul 2026

77.4%

Artificial Analysis Intelligence Index v4.3Artificial Analysis

42.2515%

GPQA DiamondArtificial Analysis

92.5253%

SciCodeArtificial Analysis

54.9769%

Terminal-Bench 2.1Artificial Analysis

88.015%

Pricing

Token pricing for GPT-5.6 Terra API usage.

Input Tokens

$2.00/M

per million tokens

Output Tokens

$12.00/M

per million tokens

Pricing Calculator

Input tokens/month

Output tokens/month

Input cost$2.00

Output cost$6.00

Estimated monthly cost$8.00

OpenAI pricing page lists $2.50 input and $15 output per 1M tokens, with GPT-5.6 cache-write and cache-read pricing.

Competing Models

Same pricing tier — direct alternatives to GPT-5.6 Terra

Flagship

Command A cohere

4.9

$2.50/M / $10.00/MCompare

Inflection 3 Pi inflection

$2.50/M / $10.00/MCompare

Palmyra X5 writer

$0.60/M / $6.00/MCompare

Jamba Large 1.7 ai21

$2.00/M / $8.00/MCompare

Inflection 3 Productivity inflection

$2.50/M / $10.00/MCompare

Command R+ (08-2024)cohere

2.2

$2.50/M / $10.00/MCompare

Sonar Deep Research perplexity

2.3

$2.00/M / $8.00/MCompare

GPT-5.6 Sol openai

6.8

$4.00/M / $20.00/MCompare

Claude Sonnet 5 anthropic

9.7

$2.00/M / $10.00/MCompare

Gemini 3.6 Flash google

10.8

$1.50/M / $7.50/MCompare

Claude Opus 5 anthropic

6.0

$5.00/M / $25.00/MCompare

Kimi K3 moonshot-ai

8.4

$3.00/M / $15.00/MCompare

Popular Comparisons

GPT-5.6 Terra vs Command AFlagship GPT-5.6 Terra vs Inflection 3 PiFlagship GPT-5.6 Terra vs Palmyra X5Flagship GPT-5.6 Terra vs Jamba Large 1.7Flagship

OpenAIai lab

Creating safe AGI that benefits all of humanity

244 Tools56 MCP Servers10 ModelsFounded 2015San Francisco, CA

View full profile

244 Tools·10 Models·56 MCP Servers·5.0avg

Tools by OpenAI

Other AI tools from the same organization.

AgentGPT

Automation

AgentGPT: Pricing, Features, FAQs, and Alternatives

ChartGPT

Chart Generator

A Comprehensive Tool for All Your Charting Needs

GPT Stylist

Figma Plugin

Create custom color palettes effortlessly with GPT Stylist

GPT Lab

Collaboration

Transform data scripts into interactive web apps in minutes with Streamlit.

AutoGPT (Hugging Face)

Automation

Automate Your Tasks with AutoGPT by aliabid94

SiteGPT

AI Assistant

Personalized AI Chatbot for Enhanced Customer Support

View all tools

AI Models by OpenAI

Large language models from the same organization.

Model	Context Window	Price (In / Out per M)	Capabilities
GPT-5.6 SolCurrent	1.1M	$4.00 / $20.00	textvisionreasoningcoding+5
GPT-5.6 LunaCurrent	1.1M	$0.20 / $1.20	textvisionreasoningcoding+5
GPT-5.5 ProCurrent	1.1M	$30.00 / $180.00	textvisioncodetool use+2
GPT-5.5Current	1.1M	$5.00 / $30.00	textvisioncodetool use+3
GPT-5.4 MiniCurrent	400K	$0.75 / $4.50	textvisioncode
GPT-5.4 NanoCurrent	400K	$0.20 / $1.25	textvisioncode