OpenAI

OpenAI APIs for GPT, GPT Image & Sora

Build reasoning agents, generate and edit images, and create video with OpenAI models through one LinkModel account.

Provider overview

About OpenAI

OpenAI develops general-purpose and specialized AI model families. GPT models support language, reasoning, multimodal understanding, tools, and agents; Codex focuses on software engineering; GPT Image creates and edits images; and Sora generates video from text or image inputs.

Explore OpenAI language, image, and video APIs

Choose GPT and Codex for language, reasoning, coding, and agent workflows; GPT Image for image generation and editing; or Sora for video. The catalog below reflects the OpenAI models currently listed on LinkModel.

12 models listed

Sora video APIs

Generate video from text or image inputs with OpenAI's Sora family. Open the live model page to verify current task support, lifecycle status, duration, and pricing.

Sora2
OpenAIText-to-Video

OpenAI's flagship video and audio generation model built on a diffusion transformer architecture, featuring realistic physics simulation, synchronized audio-visual generation, and multi-shot controllability for cinematic content creation.

GPT Image APIs

Create new images, edit supplied images, and build reference-led visual workflows with the GPT Image family.

GPT Image2
OpenAIText-to-Image

OpenAI's latest image generation and editing model with a reasoning thinking mode achieving 99%+ text rendering accuracy, supporting up to 2K resolution, flexible aspect ratios, and multilingual text, deeply integrated into ChatGPT and API.

GPT and Codex APIs

Compare OpenAI models for complex reasoning, coding, long-context work, agents, and cost-sensitive production tasks.

GPT5.6 Sol
OpenAIChat

OpenAI's flagship frontier language model designed for complex reasoning, professional knowledge work, advanced agents, and software engineering, featuring long-context processing, multimodal understanding, and powerful tool capabilities.

GPT5.6 Terra
OpenAIChat

OpenAI's next-generation general-purpose model balancing intelligence and cost, featuring long-context reasoning, multimodal understanding, and full agent tooling for enterprise AI, coding, automation, and professional knowledge work.

GPT5.6 Luna
OpenAIChat

OpenAI's cost-optimized general-purpose language model designed for high-volume AI workloads, supporting long-context reasoning, multimodal understanding, and agent tooling for enterprise automation, assistants, content generation, and scalable applications.

GPT5.3 Codex
OpenAIChat

OpenAI's agentic coding model merging prior Codex engineering strength with GPT-5.2's reasoning, supporting real-time mid-task steering, setting new highs on terminal and computer-use benchmarks for long-horizon autonomous development work.

GPT5.5
OpenAIChat

OpenAI's natively omnimodal, agentic model processing text, image, audio, and video end-to-end, with a 1M-token context window and native computer use, leading coding and knowledge-work benchmarks for autonomous agents and research.

GPT5.4 Mini
OpenAIChat

OpenAI's most capable mini model yet for coding, computer use, and subagents; supports text and image input, a 400K context window, and extensive tool calling, optimized for low-latency, high-volume production workloads.

GPT5.4 Pro
OpenAIChat

OpenAI's enhanced-reasoning tier built on GPT-5.4's architecture, applying extra compute for higher accuracy on complex, high-stakes tasks, with a million-token context and deep chain-of-thought for professional research and long documents.

GPT5
OpenAIChat

OpenAI's unified AI system combining a fast-response model and a deep-reasoning model via real-time routing, delivering state-of-the-art coding, math, multimodal understanding, and health reasoning for chat, development, and agentic tasks.

GPT5.2
OpenAIChat

OpenAI's flagship reasoning model for professional work and long-running agents, setting new highs in knowledge work, coding, and long-context understanding, offered in Instant, Thinking, and Pro modes for enterprise automation.

GPT5.4
OpenAIChat

OpenAI's unified flagship merging Codex and GPT, the first mainline reasoning model with frontier coding capability, featuring a million-token context and native computer use, leading knowledge-work and coding benchmarks for agentic automation.

Compare OpenAI models and API pricing

Start with GPT 5.6 Sol for complex reasoning and coding, Terra for a balance of intelligence and cost, or Luna for cost-sensitive volume. Choose Codex for long-horizon software engineering, GPT Image for image creation and editing, and Sora when the live catalog supports the video workflow you need.

Sora video APIs

Model

Sora 2

Video generation with synchronized audio

Best for

Short-form visual storytelling that needs controlled motion, multi-shot direction, dialogue, sound effects, or background audio.

Key capabilities

Text-to-video · image-to-video · synchronized audio · multi-shot control

Official source ↗

GPT Image APIs

Model

GPT Image 2

Image generation and precise editing

Best for

Text-rich visuals, product concepts, image transformations, and controlled edits from prompts or reference images.

Key capabilities

Text-to-image · image editing · reference inputs · text rendering

Official source ↗

GPT and Codex APIs

Model

GPT 5.6 Sol

Complex reasoning and coding

Best for

Difficult professional work, advanced coding, and agent tasks where capability matters more than lowest cost.

Key capabilities

Long context · multimodal input · configurable reasoning · agent tools

Official source ↗
Model

GPT 5.6 Terra

Balanced production workloads

Best for

General-purpose reasoning, coding, automation, and knowledge work that needs a capability-to-cost balance.

Key capabilities

Long context · multimodal input · configurable reasoning · tool use

Official source ↗
Model

GPT 5.6 Luna

Cost-sensitive, high-volume tasks

Best for

High-throughput assistants, extraction, classification, and automation where per-token efficiency is a priority.

Key capabilities

Long context · multimodal input · low-cost tier · tool use

Official source ↗
Model

GPT 5.3 Codex

Long-horizon software engineering

Best for

Repository-scale implementation, debugging, terminal work, and coding-agent tasks that benefit from a specialized engineering model.

Key capabilities

Agentic coding · tool use · long-running tasks · iterative steering

Official source ↗

What can you build with OpenAI APIs on LinkModel?

Combine OpenAI language, image, and video models in production workflows while keeping model access and usage management in one place.

Reasoning agents and knowledge workflows

Use GPT models for research, analysis, structured outputs, tool-driven workflows, and long-context knowledge tasks. Select the model tier according to required capability, latency, and cost.

Software engineering agents

Use a Codex or GPT coding model for repository analysis, implementation, debugging, migration, and terminal-driven engineering workflows.

Product and campaign imagery

Use GPT Image to generate concepts, text-rich campaign assets, product visuals, and controlled edits from approved reference images.

Short-form video and story concepts

Use Sora for video concepts that combine visual direction with motion and synchronized sound, after confirming the live endpoint and lifecycle status for the selected model.

Prompt-to-campaign pipelines

Draft campaign concepts with GPT, create approved stills with GPT Image, and turn them into video with Sora when all required model capabilities are available.

Why run OpenAI models through LinkModel?

Use the OpenAI model family alongside other leading providers without adding another account, credential, or billing workflow.

One key across OpenAI model families

Use one LinkModel API key for the supported GPT, Codex, GPT Image, and Sora models enabled in the live catalog.

OpenAI alongside other providers

Compare or combine OpenAI models with other language, image, and video providers without maintaining a separate platform account for each family.

Centralized usage and billing

Review usage and pay-as-you-go charges from one LinkModel account while selecting the model that fits each workload.

Integrate OpenAI models

Use one LinkModel credential to select a listed OpenAI model, submit the matching request, and track usage from the same account.

  1. Authenticate with one API key

    Create a LinkModel API key and use it to authenticate requests for the OpenAI models enabled for your account.

  2. Choose a model for the workload

    Select a GPT, Codex, GPT Image, or Sora model, then open its model page to confirm the current identifier, request schema, and pricing units.

  3. Submit, observe, and iterate

    Send the request, handle the response or generation task, and compare usage before moving the workflow into production.

FAQ

Frequently asked questions.

Sources and editorial information

Editorial review

Model capabilities and selection guidance are reviewed against the official OpenAI sources listed here.

Editorial content reviewed: September 1, 2026

OpenAI and its model names belong to their respective owners. LinkModel is an independent API aggregation platform and does not imply a formal relationship.