--- title: Gemini 3 Pro Preview — Advanced LLM | ModelsLab description: Access Gemini 3 Pro Preview API for superior reasoning, coding, and multimodal tasks. Generate complex solutions via simple API calls. url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/gemini-3-pro-preview canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/gemini-3-pro-preview type: website component: Seo/ModelPage generated_at: 2026-05-21T10:31:08.850065Z --- Available now on ModelsLab · Language Model Gemini 3 Pro Preview Gemini 3 Pro Preview --- [Try Gemini 3 Pro Preview](/models/google/gemini-3-pro-preview) [API Documentation](https://docs.modelslab.com) ![Gemini 3 Pro Preview](https://assets.modelslab.ai/generations/1846e76f-9d5c-4a35-a43a-82db45b7bb8b.png) Unlock Pro Intelligence Now --- Top Reasoning ### PhD-Level Problem Solving Handles complex math, science, and logic with 91.9% on GPQA Diamond. Multimodal Power ### Process Video Images Docs Supports up to 1-hour videos and high-res media in Gemini 3 Pro Preview API. Agentic Coding ### Build Multi-Step Agents Executes long-horizon tasks and precise tool calls in Gemini 3 Pro Preview model. Examples See what Gemini 3 Pro Preview can create --- Copy any prompt below and try it yourself in the [playground](/models/google/gemini-3-pro-preview). Code Review “Review this Python function for bugs, optimize for speed, and suggest tests: def fibonacci(n): if n <= 1: return n else: return fibonacci(n-1) + fibonacci(n-2)” Data Synthesis “Synthesize insights from sales data across Q1-Q4, identify trends, and forecast Q1 next year with reasoning steps.” Tech Explanation “Explain quantum entanglement to a high school student using simple analogies, then derive Bell's inequality mathematically.” UI Prototype “Generate React code for a dynamic dashboard with charts, filters, and real-time updates from mock API data.” For Developers A few lines of code. Reasoning. Three lines. --- 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 ](https://docs.modelslab.com) PythonJavaScriptcURL Copy ```

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 Gemini 3 Pro Preview --- [Read the docs ](https://docs.modelslab.com) ### What is Gemini 3 Pro Preview API? Gemini 3 Pro Preview API provides access to Google's advanced LLM for reasoning and multimodal tasks. It outperforms prior models on benchmarks like LMArena. Use it for agentic workflows and coding. ### How does Gemini 3 Pro Preview model compare? It tops charts with 1501 Elo on LMArena and 37.5% on Humanity’s Last Exam. Excels in math at 23.4% MathArena Apex. Ideal as Gemini 3 Pro Preview alternative. ### What multimodal features exist? Processes videos up to 1 hour, images, and docs with media resolution control. Scores 81% on MMMU-Pro. Supports function responses with multimodal objects. ### Is function calling supported? Yes, with streaming, thought signatures, and multi-step execution. Optimized for agentic use cases. Handles complex tool use reliably. ### Best Gemini 3 Pro Preview alternative? This API offers direct access to the preview model without Google restrictions. Matches capabilities in reasoning and context windows. Integrates via standard LLM endpoints. ### What context length for Gemini 3 Pro Preview LLM? Supports massive context for long documents and videos. Improved long-context understanding over Gemini 2.5 Pro. Processes up to 10 videos per prompt. Ready to create? --- Start generating with Gemini 3 Pro Preview on ModelsLab. [Try Gemini 3 Pro Preview](/models/google/gemini-3-pro-preview) [API Documentation](https://docs.modelslab.com) --- *This markdown version is optimized for AI agents and LLMs.* **Links:** - [Website](https://modelslab.com) - [API Documentation](https://docs.modelslab.com) - [Blog](https://modelslab.com/blog) --- *Generated by ModelsLab - 2026-05-21*