GPT-6.1 Terra Model | OpenAI API

Source: https://developers.openai.com/api/docs/models/gpt-6.1-terra

For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending `.md` to the page URL.


Start searching

API Dashboard

Try ChatGPT

Home

API

Overview Get started with the OpenAI APIModels Explore models and compare capabilitiesAgents Build persistent agents on hosted infrastructureTools Connect models to tools and dataAudio & voice Build speech and realtime voice experiencesProduction Deploy and scale your API integrationsAPI reference Explore endpoints, parameters, and responses

ChatGPT

Plugins Extend ChatGPT and CodexSign in with ChatGPT Apps powered by your user's ChatGPT planCommerce Build commerce flows in ChatGPTAds Publish and measure ads in ChatGPTWorkspace Agents Trigger published ChatGPT workspace agentsChatGPT + Codex user docs Guides and product docs for ChatGPT and CodexUse cases Example workflows and tasks teams can take on with ChatGPT or Codex

Docs

Use cases

Training

Resources

Resources

Showcase Demo apps to get inspiredBlog Learnings and experiences from developersCookbook Notebook examples for building with OpenAI modelsLearn Docs, videos, and demo apps for building with OpenAICommunity Programs, meetups, and support for builders

OverviewModelsAgentsToolsAudio & voiceProductionAPI reference

Search the API docs

Search docs

Suggested

responses create reasoning_effort realtime prompt caching

Primary navigation

API ChatGPT Docs Use cases Training Resources Resources

Search docs

Suggested

responses create reasoning_effort realtime prompt caching

Overview Models Agents Tools Audio & voice Production API reference

Docs Models

- Home

Get started

- Quickstart

- Using GPT-6

- Key concepts

Core concepts

- Responses API

- Decisions API

- Conversation state

- Background mode

- Streaming

- WebSocket mode

- Mid-turn steering

- Multi-agent

- Webhooks

- File inputs

- Compaction

- Counting tokens

SDKs and CLI

- OpenAI SDK

- OpenAI CLI

Resources

- Changelog

- Deprecations

- Supported countries

- OpenAI Crawlers

- Terms and policies

Legacy APIs

* Agent Builder

- Overview

- Migration guide

- Node reference

- Safety in building agents

* Evals

- Getting started

- Working with evals

- Prompt optimizer

- External models

- Graders

* Fine-tuning

- Optimization cycle

- Supervised fine-tuning

- Vision fine-tuning

- Direct preference optimization

- Reinforcement fine-tuning

- RFT use cases

- Best practices

* Assistants API

- Migration guide

- Model catalog

Choose a model

- Pricing

- Model selection

Text and code

- Text generation

- Code generation

- Structured output

Prompting

- Overview

- Prompt engineering

- Citation formatting

- Migration guide

- Prompt generation

- Frontend prompting

Reasoning

- Reasoning models

- Reasoning best practices

Images

* Images and vision

- Image input cost calculator

* Image generation

- Overview

- Image prompting

Realtime and audio

- Audio and speech

- Getting started

- Voice agents

Specialized models

- Deep research

- Embeddings

- Moderation

- Overview

Agents API

- Overview

- Quickstart

- Architecture

- Configuring Agents

* Sessions

- Run and continue sessions

- Events and items

- Manage sessions

- Scheduled automations

- Webhooks

* Environments and sandboxes

- OpenAI-hosted sandboxes

- Self-hosted sandboxes

- Sandbox lifecycle

- Pre-warm sandboxes

- Sandbox security

- Files and artifacts

* Tools and integrations

- Web search

- Computer use

- Functions

- MCP connections

- Plugins

- Vaults

- Multi-agent

- Observability and usage

- Tracing

- Errors and recovery

- API reference

- Bedrock Managed Agents

Agents SDK

- Overview

- Quickstart

- Agent definitions

- Models and providers

- Running agents

- Sandbox agents

- Orchestration

- Guardrails

- Results and state

- Integrations and observability

- Evaluate agent workflows

ChatKit

- Overview

- Customize

- Widgets

- Actions

- Advanced integrations

- Overview

- Function calling

Search and retrieval

- Web search

- File search

- Retrieval

Connect tools and data

- MCP servers

- Secure MCP Tunnel

Build tool workflows

- Skills

- Tool search

- Programmatic tool calling

- Async tool calling

Computer and code

- Shell

* Computer use

- Integration recipes

- Driver reference

- Apply Patch

- Local shell

- Code interpreter

Media

- Image generation

- Overview

GPT-Live

- Getting started

- Prompting

- Managing sessions

- Delegation and tools

- Migrate to GPT-Live

- Partner integrations

Realtime API

- Getting started

- Prompting

- Managing conversations

- Voice activity detection

- Tools and MCP

Build with voice

- Voice agents

- Connect voice to Decisions

- Custom voices

- Cost optimization

Connections

- WebRTC

- WebRTC with WARP

- WebSockets

- Telephony and SIP

- Server-side controls

Audio processing

- File transcription

- Live transcription

- Live translation

- Text to speech

- Audio in Chat Completions

Go live

- Production best practices

- Deployment checklist

Performance and quality

- Fast mode

- Ultrafast mode

- Latency optimization

- Predicted Outputs

- Accuracy optimization

Evaluation

- Evaluation best practices

- Promptfoo

Cost and throughput

- Cost optimization

* Prompt caching

- Prompt cache diagnostics

- Batch

- Flex processing

Safety and governance

- Safety best practices

- Red teaming

- Daybreak

* Safety checks

- Safety classifiers

- Cybersecurity checks

- Misalignment monitoring

- Enforcement notifications

- Under-18 guidance

- CSAM guidance

- Content provenance

- Your data

- Private Safety Processing

- Permissions

Infrastructure and access

* Terraform provider

- Overview

- Projects and access

- Service accounts

- Rate limits and spend

- Model, tool, and data controls

- Import and reconciliation

- Private Link

- IP allowlist

- Organization blocking

- Mutual TLS

* Workload identity federation

- Federation rules

- X.509 certificates

- Kubernetes

- AWS

- Microsoft Azure

- Google Cloud

- Oracle Cloud Infrastructure

- GitHub Actions

- SPIFFE

- Idira

- IP egress ranges

- Amazon Bedrock

Operations

- Rate limits

- Spend limits

- Admin APIs

- Error codes

Overview Plugins Sign in with ChatGPT Commerce Ads Workspace Agents ChatGPT + Codex user docsUse cases

Docs Overview

- Home

- Quickstart

Core concepts

- Plugin architecture

- Skills

- MCP server

Plan

- Brainstorm use cases

- Define tools

Build

- Build an MCP server

- Add UI to your MCP server (optional)

- Add events to your MCP server (optional)

- Extensions

- Authenticate users

- Build skills

- Package your plugin

- Examples

Test and publish

- Connect and test your plugin

- Submit and publish

- Submit desktop-only plugins

- Submission error reference

Conversion specs

- Restaurant reservation spec

- Get Quote spec

- Product checkout spec

Guides

- UI guidelines

- Optimize Metadata

- Submit a Claude Code plugin

- Security & Privacy

- Troubleshooting

Resources

- Changelog

- Plugin guidelines

- MCP server review requirements

- Plugin UI reference

- Checkout API reference

- Home

- Quickstart

- Request a client ID

Identity

- On your website

- In your ChatGPT plugin

- Account security notification

ChatGPT plan usage

- Overview

- UI/UX guidelines

- Registration and sign-in

- Accounts and sessions

- Models and inference

- Codex app-server

- Self-hosted VMs

- Token reference

- Errors and recovery

- Preview limitations

- Home

Guides

- Get started

- Best practices

File Upload

- Overview

- Products

API

- Overview

- Feeds

- Products

- Promotions

- Ads Overview

Measurement

- Measurement Pixel

- Multiple Pixels (Advanced)

- Image Tag

- Conversions API

- Supported Events

Advertiser API

- Overview

- API Partner Setup

- Campaign Management

- Bidding & Budgets

- Targeting

- Product Feeds

- Hotel Feeds (limited beta)

- Conversion Tracking

- Reporting

- Troubleshooting

- Account Management

API Reference

- Authentication

- Ad Account

- Audit Logs

- Campaigns

- Ad Groups

- Ads

- Insights

- Files

- Conversion Setup

- Home

Get started

- Trigger workspace agent runs

- Authenticate with Workspace Agent access tokens

Overview Features Configuration Developers Security Administration Use Cases Resources

Docs Overview

- Home

Get started

- Quickstart

- Use ChatGPT

- Get started with Work

- Meet dots

- Import from another agent

Foundations

- Prompting

- Model selection

- Personalize ChatGPT

- Skills & Plugins

- Permissions

Explore

- What's new

- Models

- Pricing

- Glossary

Available on

- ChatGPT desktop app

- ChatGPT mobile app

- ChatGPT on the web

- Codex CLI

- Codex IDE extension

- Codex Cloud

Releases

- Changelog

- Feature Maturity

- Open Source

- Overview

Workflows

- Projects and chats

- Build plugins

- Visualizations

- Scheduled tasks

- Long-running work

- Notifications

- Pets

- Codex Micro

Capabilities

- Browser

- Computer use

- Voice

- Composer Predictions

- Plugins

- Sign in with ChatGPT

- Web search

- Image generation

- Image inputs

- Appshots

- Browser extension

- Work with files

Sites

- Overview

- Create a site

- Data and connections

- Publish and share

- Manage a site

dots

- Meet dots

- Getting started

- Messaging

- Tasks and memory

- Computers and apps

- Controls

ChatGPT Space

- Overview

- Getting started

- Pages

- Work with agents

- Collaboration

Reference

- Commands

- Slash commands

- Settings

- Troubleshooting

- Overview

Customization

- Overview

- Memories

- Computer History

Config file

- Config Basics

- Advanced Config

- Config Reference

- Environment Variables

- Sample Config

Agent configuration

- AGENTS.md

- Subagents

- Speed

- Rules

Extend ChatGPT and Codex

- Record & Replay

- MCP

Linux

- Desktop app

Windows

- Desktop app

- Windows sandbox

- WSL

- Overview

Development workflows

- Code review

- Integrated terminal

Extend and automate

- Build skills

- Site tools (WebMCP)

- Annotations Extensibility

- Hooks

Environments

- Modes

- Local environments

- Git worktrees

Codex Cloud

- Cloud environments

Build with Codex

- Codex SDK

- App Server

- Model catalogs

- GitHub Action

- Non-interactive mode

Third-party integrations

- GitHub

- GitLab (Beta)

- Slack

- Linear

Reference

- CLI customization

- Developer commands

- Developer settings

- Overview

Permissions

- Profiles

- Sandboxing

- Auto-review

- Agent approvals & security

Codex Security

- Overview

* Codex Security Cloud

- Setup

- Security Review

- Improving the threat model

- FAQ

* Codex Security plugin

- Quickstart

- Run a security scan

- Run a deep scan

- Review code changes

- Use the Security workbench

- Triage a backlog

- Fix findings

- Propose security hardening

- Write vulnerability reports

- Export and track findings

- Changelog

* Codex Security CLI

- Quickstart

- Run bulk scans

* CI/CD

- Overview

- GitHub Actions

- GitLab CI/CD

- Reference

- FAQ

- Codex Security SDK

Cyber safety

- Models & Trusted Access

- Recommended configuration

- Overview

Getting started

- Admin rollout guide

- Admin plugin

Feature Configuration

- Dots

- Space

- Sites

- Teams and Team Tasks

- ChatGPT in Slack and Teams

- Workspace connections

- Local computer access for Work Cloud and dots

Identity and access

- Authentication overview

- Groups and provisioning

- Dynamic groups

- User lifecycle management

- Roles and workspace permissions

- Personal access tokens

- Service accounts

Deployment and configuration

- Windows app and CLI deployment

- Manage app updates

- Managed configuration

- Codex security cookbook

- Remote connections

- Workspace model availability

- Amazon Bedrock

- Bedrock GovCloud configuration

- Connect to a gateway

- Roll out a gateway

- Gateway compatibility

- Bedrock through LiteLLM

ChatGPT EDU

- Education plans

- Higher education setup

ChatGPT Work

- Overview

- Cloud security

- Local security

- Usage and cost

- Admin FAQ

Collaboration and sharing

- GPTs and sharing

Plugins and connections

- Plugin controls

- Plugin management

- Skill controls

- Migrate custom GPTs to plugins

Usage and analytics

- Workspace analytics

- Usage Insights

- Analytics API

Security and compliance

- Governance

- Agent security

- Prisma AIRS

- HIPAA configuration

- Compliance API and audit events

- Explore use cases

- Collections

- Home

- Videos

- Showcase

- OpenAI Academy

- Online trainings

Community

- Codex Ambassadors

- Codex for Students

- Codex for Open Source

- Events

Blog

- Company blog

- Developer blog

- Explore use cases

- Collections

- Home

- Videos

- Showcase

- OpenAI Academy

- Online trainings

Community

- Codex Ambassadors

- Codex for Students

- Codex for Open Source

- Events

Blog

- Company blog

- Developer blog

Showcase Blog Cookbook Learn Community

Docs Showcase

- All posts

Recent

- Designing failover across OpenAI model providers

- Maintaining software with the GPT-6 family

- Bringing my LED display to life with GPT-Live-1 and Codex

- Rethinking skills and prompts for GPT-6 Astra

- Architectural visualization with Astra

Topics

- General

- API

- Apps SDK

- Audio

- Codex

- Life sciences

- Home

Topics

- Sign-in with ChatGPT

- Agents

- Evals

- Multimodal

- Text

- Guardrails

- Optimization

- ChatGPT

- Codex

- gpt-oss

Contribute

- Cookbook on GitHub

- Home

- OpenAI Developers plugin

- Docs MCP

Categories

- Demo apps

- Videos

Topics

- Agents

- Audio & Voice

- Computer Use

- Codex

- Evals

- gpt-oss

- Fine-tuning

- Image generation

- Scaling

- Tools

- Video generation

- Community

Programs

* Codex Ambassadors

- Meet the ambassadors

- Codex for Students

- Codex for Open Source

- OpenAI for Startups

Spaces

- Events

- Developer Forum

- Discord

- Reddit

- X

API Dashboard

Try ChatGPT

- Model catalog

Choose a model

- Pricing

- Model selection

Text and code

- Text generation

- Code generation

- Structured output

Prompting

- Overview

- Prompt engineering

- Citation formatting

- Migration guide

- Prompt generation

- Frontend prompting

Reasoning

- Reasoning models

- Reasoning best practices

Images

* Images and vision

- Image input cost calculator

* Image generation

- Overview

- Image prompting

Realtime and audio

- Audio and speech

- Getting started

- Voice agents

Specialized models

- Deep research

- Embeddings

- Moderation

Models

!Image 4: gpt-6.1-terra

GPT-6.1 Terra

`gpt-6.1-terra`

A fast, efficient model for visual reasoning, precise computer use, and clear, natural writing.

A fast, efficient model for visual reasoning, precise computer use, and clear, natural writing.

Compare Try in Playground

Reasoning

Highest

Speed

Fast

Price

$1•$5

Input•Output

Input

Text, Image

Output

Text

Use GPT-6.1 Terra to match product photos to catalog entries, interpret technical drawings, act on appli