Happy Horse 1.0 is now on ModelsLab

Try Now
Skip to main content
Available now on ModelsLab · Language Model

OpenAI: GPT-5 ChatReason Deeper. Respond Smarter

Try OpenAI: GPT-5 ChatAPI Documentation

Unlock GPT-5 Capabilities

Multimodal Input

Process Text Images

Handles text and images for chart analysis or diagram questions via OpenAI: GPT-5 Chat API.

Thinking Modes

Instant to Pro Reasoning

Switches between fast GPT-5.3 Instant and deep GPT-5.4 Pro for complex tasks in openai gpt 5 chat.

Low Hallucination

Factual Outputs Always

Reduces errors by 45-80% compared to prior models in OpenAI: GPT-5 Chat model.

Examples

See what OpenAI: GPT-5 Chat can create

Copy any prompt below and try it yourself in the playground.

Code Generator

“Write a Python function to analyze sales data from this CSV image, compute trends, and output a summary report with visualizations using matplotlib.”

Diagram Explainer

“Describe the architecture in this network diagram image, identify bottlenecks, and suggest optimizations for scalability.”

Math Solver

“Solve this multivariable calculus problem step-by-step: find the volume of the solid bounded by the surfaces z = x^2 + y^2 and z = 8 - x^2 - y^2.”

Report Drafter

“Draft a professional business report outline from this quarterly earnings chart image, including key metrics, trends, and recommendations.”

For Developers

A few lines of code.
Chat Completions. One Call

ModelsLab handles the infrastructure: fast inference, auto-scaling, and a developer-friendly API. No GPU management needed.

  • Serverless: scales to zero, scales to millions
  • Pay per token, no minimums
  • Python and JavaScript SDKs, plus REST API
API Documentation 
import requests


response = requests.post(
    "https://modelslab.com/api/v7/llm/chat/completions",
    json={
  "key": "YOUR_API_KEY",
  "prompt": "",
  "model_id": ""
}
)
print(response.json())

FAQ

Common questions about OpenAI: GPT-5 Chat

Read the docs

OpenAI: GPT-5 Chat is the latest multimodal LLM powering ChatGPT with text and image inputs. It offers thinking modes for varied tasks. Access via OpenAI: GPT-5 Chat API.

Use the /v1/chat/completions endpoint with text or image inputs. Supports streaming and function calling. Pricing starts at $0.25 input per million tokens.

Instant for quick replies, Thinking for complex reasoning, Pro for research precision. Automatically selects based on query in openai: gpt-5 chat api.

Supports text and image inputs, excels in visual reasoning like charts. Audio and video not supported in API.

Matches GPT-5 performance via ModelsLab API with easier access and tiers. Lower hallucination suits production use.

Tier 1: 500 RPM, 30k TPM. Higher tiers up to 15k RPM, 40M TPM. Free tier unsupported.

Ready to create?

Start generating with OpenAI: GPT-5 Chat on ModelsLab.

Try OpenAI: GPT-5 ChatAPI Documentation