Full Model Access
Browse every model currently listed for this provider in the RunAPI catalog.
OpenAI
GPT language models and GPT Image generation — OpenAI's reasoning and creative AI suite.
9
MODELS
LLM · Image · Audio · Utility
MODALITIES
What you get through RunAPI
Transparent Pricing
Review each model's published RunAPI price before sending a request.
No Account Required
Use your RunAPI key without creating a separate provider account.
Unified Billing
Keep this provider and other supported models on one RunAPI balance.
HOW IT WORKS
Call OpenAI models in 3 steps
-
Get Your Key
Sign up for free and create a RunAPI key — no OpenAI account needed.
-
Send a Request
POST to /v1/chat/completions with any OpenAI model slug.
-
Get Results
Stream the response or receive a webhook when the task completes.
MODELS
OpenAI Models on RunAPI
Text
Embedding
OpenAI text embeddings for semantic search, retrieval, clustering, and ranking workflows.
$0.02 / 1M tokens
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Text
GPT
GPT API access for OpenAI's flagship LLM across chat, code generation, and multi-step reasoning tasks.
$0.06 / 1M tokens
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Image
GPT Image
GPT Image API access for text-to-image and image editing powered by OpenAI image generation models.
$0.12 / call
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Image
GPT Image 2
GPT Image 2 API access for OpenAI image generation with near-perfect multilingual text rendering.
$0.06 / call
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Image
GPT Image 2.5
Use the GPT Image 2.5 API via RunAPI with a model skill, unified auth, and pay-as-you-go pricing.
$0.16 / call
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Image
GPT-4o Image
GPT-4o Image API access for native image generation and editing inside the conversation.
$0.06 / call
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Utility
OpenAI Moderation
Use the OpenAI Moderation API via RunAPI with a model skill, unified auth, and pay-as-you-go pricing.
Free
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Audio & Music
OpenAI Transcription
OpenAI-compatible audio transcription API access for speech-to-text with Whisper-1 and GPT Transcribe.
$0.02 / minute
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Audio & Music
OpenAI TTS
OpenAI TTS API access for low-latency and high-quality text-to-speech with RunAPI-managed MP3 output.
$0.03 / 1K UTF-8 bytes
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Why use OpenAI via RunAPI
Lower Cost
Compare OpenAI variants and start with transparent per-call pricing for the model you need.
No Account Needed
Use your RunAPI API key for managed OpenAI access without a separate provider account or credential.
Unified Billing
Keep OpenAI and every other supported model on one RunAPI balance and monthly USD invoice.
RunAPI vs Direct OpenAI
| Feature | Direct OpenAI | Via RunAPI |
|---|---|---|
| Account Required | OpenAI account + billing | RunAPI account only |
| API Format | OpenAI SDK | Same OpenAI SDK (compatible) |
| Pricing | Provider-published rates | Published per-model RunAPI pricing |
| Other Models | OpenAI only | 249+ models, all providers |
| Billing | Per-provider invoices | One unified credit balance |
| Support | Provider-specific support | RunAPI support |
Playground
Try OpenAI Models
Response will appear here
QUICKSTART
Call OpenAI Models via RunAPI
Python
from openai import OpenAI
client = OpenAI(
base_url="https://runapi.ai/v1",
api_key="your-runapi-key"
)
response = client.chat.completions.create(
model="codex-auto-review",
messages=[{"role": "user", "content": "Analyze this quarterly revenue data and produce a summary with key trends, anomalies, and three recommendations."}]
)
What teams build with OpenAI models
Conversational AI
Build chatbots and assistants with OpenAI models.
Content Generation
Generate marketing copy, code, and creative writing at scale.
Image Creation
Create product shots, illustrations, and design assets with OpenAI models.
Data Analysis
Extract insights from documents, spreadsheets, and structured data.
Explore
More Providers on RunAPI
Provider questions
Do I need a OpenAI account?
No. Your RunAPI API key is enough to access the OpenAI models listed in the catalog.
Which OpenAI models are available?
The model cards above reflect the OpenAI models currently available through RunAPI.
How does billing work?
Usage is charged to your RunAPI balance using the price shown for the selected model.
Can I switch to another model?
Yes. Choose another supported model and use its model ID in the same RunAPI workflow.
Where can I find request details?
Open a model page to review its current endpoints, parameters, pricing, and examples.
Start building on one key.
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