Gemini 3 vs OpenAI o1
Explore the showdown between Gemini 3 vs OpenAI o1 and find out which AI Large Language Model (LLM) tool wins. We analyze upvotes, features, reviews, pricing, alternatives, and more.
In a face-off between Gemini 3 and OpenAI o1, which one takes the crown?
When we contrast Gemini 3 with OpenAI o1, both of which are exceptional AI-operated large language model (llm) tools, and place them side by side, we can spot several crucial similarities and divergences. The upvote count reveals a draw, with both tools earning the same number of upvotes. You can help us determine the winner by casting your vote and tipping the scales in favor of one of the tools.
Think we got it wrong? Cast your vote and show us who's boss!
Gemini 3

What is Gemini 3?
Gemini 3 is Google's frontier large language model, released in November 2025 as the flagship of the Gemini family. It combines reasoning, multimodal understanding, and agentic coding in one model so you can learn from mixed media, build interactive apps, and plan multi-step tasks with less back-and-forth prompting.
Where most frontier models compete on raw benchmark scores alone, Gemini 3 ships across Google's consumer and developer stack on day one: Search AI Mode, the Gemini app, AI Studio, Vertex AI, Gemini CLI, and the Antigravity agentic IDE. That breadth is the trade-off profile. You get one model wired into Gmail, Calendar, and generative search UI, not a standalone API you integrate yourself.
Developers, researchers, and students use Gemini 3 for vibe coding, document analysis, long video lectures, and multi-step planning. Google AI Ultra subscribers in the U.S. can run Gemini Agent for inbox and calendar workflows, while enterprises deploy the same model through Vertex AI and Gemini Enterprise.
Google DeepMind led development with extensive safety testing, including third-party evaluations and a published model card. Related posts on the same blog now cover follow-on models like Gemini 3.7 Flash and Gemini 3.5 Transcribe, while Deep Think remains on a staged rollout to Google AI Ultra subscribers.
OpenAI o1

What is OpenAI o1?
OpenAI o1 is a series of language models built to spend more time reasoning before responding. Instead of answering immediately, o1 models work through problems step by step, which helps on math, coding, science, and other tasks that need careful thought.
You can use o1 through ChatGPT Plus on the web and mobile apps, or through the OpenAI API and Playground for developers. OpenAI also publishes research on how these models learn to reason, along with a system card covering safety and capabilities.
o1 is aimed at harder questions where accuracy matters more than speed. For quick everyday prompts, OpenAI's faster models are usually a better fit.
Gemini 3 Upvotes
OpenAI o1 Upvotes
Gemini 3 Top Features
1501 Elo on LMArena with a 1 million-token context window across text, images, video, audio, and code
Deep Think mode scores 41.0% on Humanity's Last Exam, rolling out to Google AI Ultra subscribers after safety review
Generative UI in AI Mode in Search builds visual layouts and interactive simulations from a single query
1487 Elo on WebDev Arena and 76.2% on SWE-bench Verified for agentic coding
Gemini Agent handles multi-step tasks across Gmail, Calendar, and the web for Google AI Ultra users in the U.S.
Available in Google AI Studio, Vertex AI, Gemini CLI, Antigravity, and third-party platforms like Cursor and GitHub
54.2% on Terminal-Bench 2.0 for terminal-based tool use and computer operation
OpenAI o1 Top Features
Spends additional compute on internal reasoning before producing a final answer
Available in ChatGPT Plus and through the OpenAI API and Playground
Designed for complex math, coding, science, and multi-step problem solving
Backed by published research on learning to reason with LLMs
Ships with an OpenAI o1 System Card covering safety and deployment details
Gemini 3 Category
- Large Language Model (LLM)
OpenAI o1 Category
- Large Language Model (LLM)
Gemini 3 Pricing Type
- Freemium
OpenAI o1 Pricing Type
- Freemium
