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o1-pro vs Gemini 3 Pro

Compare pricing, context windows, and strengths for o1-pro by OpenAI and Gemini 3 Pro by Google - and see how to put either to work in Appaca.

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o1-pro

A high-compute version of the o1 reasoning model, trained with reinforcement learning to think before answering and produce consistently stronger multi-step reasoning across math, science, coding, and analysis tasks.

View o1-pro
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Gemini 3 Pro

Google's most intelligent multimodal model designed for advanced reasoning, coding, and agentic tasks.

View Gemini 3 Pro

o1-pro vs Gemini 3 Pro at a glance

Specs and pricing side by side, from the Appaca AI models directory.

Spec o1-pro Gemini 3 Pro
Provider OpenAI Google
Model type Text Text
Context window 200K tokens 1M tokens
Input price $150 / 1M tokens $4 / 1M tokens
Output price $600 / 1M tokens $18 / 1M tokens
Status Current Superseded by Gemini 3.1 Pro
Key differences

How o1-pro and Gemini 3 Pro differ

What the numbers mean in practice when choosing between o1-pro and Gemini 3 Pro.

  • Gemini 3 Pro is 97% cheaper on input tokens ($4 vs $150 per million), which adds up quickly in document-heavy workloads.

  • Gemini 3 Pro is 97% cheaper on output tokens ($18 vs $600 per million) - the bigger factor for tools that generate long documents.

  • Gemini 3 Pro's 1M tokens context window is roughly 5x larger than o1-pro's 200K tokens, so it can work across bigger codebases, contracts, or archives in one pass.

  • Gemini 3 Pro has been superseded by Gemini 3.1 Pro - for new builds, consider the newer model first.

Strengths side by side

Where each model shines, according to benchmarks and provider positioning.

o1-pro

1. Maximum-compute o-series model

  • Uses significantly more compute per query compared to o1.
  • Produces deeper, more reliable reasoning chains.
  • Best suited for high-stakes tasks that need correctness over speed.

2. Trained with reinforcement learning for deliberate thinking

  • Explicit "think-before-answer" architecture.
  • Excels at complex reasoning requiring multi-step analysis.

3. Very strong at math, science, coding, and technical proofs

  • Handles long derivations, algorithm design, and difficult logic problems.
  • Produces structured and explainable reasoning trails.

4. Great for multi-turn reasoning workflows

  • Responses API optimized: can think over multiple internal turns before responding.
  • Ideal for agentic reasoning pipelines.

5. Large context window

  • 200,000-token context for large documents, multi-file review, and long reasoning traces.

6. Multimodal input (text + image)

  • Can analyze images for mathematical diagrams, charts, handwritten content, UI layouts, etc.
  • Output is text only.

7. Consistency, reliability, and depth

  • Designed for situations where accuracy matters more than latency or cost.
  • Strong error-checking and self-correction abilities.

Gemini 3 Pro

1. State-of-the-art reasoning

  • Top performance across academic reasoning, scientific knowledge, math, and complex problem-solving.
  • Excels at long-horizon, multi-step workflows and deep logical interpretation.

2. World-leading multimodal capabilities

  • Natively understands text, images, videos, audio, and code.
  • Ranked highest on benchmarks like MMMU-Pro, Video-MMMU, ScreenSpot-Pro.

3. Exceptional coding + agentic workflows

  • Strong in competitive coding and real-world agentic tasks (SWE-Bench Verified, Terminal-Bench, LiveCodeBench).
  • Improved tool calling, planning, and execution for autonomous or semi-autonomous agents.

4. Powerful for long-context tasks

  • Effective at 128K-1M context windows with high retrieval accuracy.
  • Ideal for document-heavy workflows, research, analysis, multi-file coding, and multi-document reasoning.

5. Strong information synthesis and interpretation

  • Outperforms peers in chart reasoning, OCR, structured extraction, and screen understanding.
  • Excellent at combining multimodal inputs into coherent, concise answers.

6. High reliability for enterprise tasks

  • Benchmarks show superior factuality, grounding, and parametric knowledge.
  • Strong multilingual accuracy and global commonsense performance.

7. Optimized for production agents

  • Designed for complex multi-step planning, simultaneous task execution, and improved consistency.
  • Works across coding, research, creative workflows, UI generation, and data-heavy applications.
Appaca

Use o1-pro or Gemini 3 Pro - or both

Appaca is the AI workspace for operators. Build internal tools and AI co-workers powered by o1-pro or Gemini 3 Pro - connected to your real data and ready for your whole team. No code, no deployment.

Describe it, and it's built

Tell the Appaca agent the internal tool you need and it builds a working app powered by o1-pro or Gemini 3 Pro. No code, no API keys, no deployment.

Switch models without rebuilding

Start on o1-pro, test the same tool on Gemini 3 Pro, and keep whichever performs better - the rest of your app stays exactly as it is.

Automated for the whole team

Schedule tools to run on autopilot - daily digests, weekly reports, real-time triggers - and share them with your whole team from one workspace.

Describe it, and it's built

Tell the Appaca agent what your team needs and it builds a working app powered by o1-pro or Gemini 3 Pro - connected to the tools you already use.

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FAQs

Is o1-pro cheaper than Gemini 3 Pro?

Gemini 3 Pro is generally cheaper: $4 input / $18 output per million tokens, versus $150 / $600 for o1-pro. Actual cost depends on how many tokens your workload reads and writes.

Which has the larger context window, o1-pro or Gemini 3 Pro?

Gemini 3 Pro has the larger context window at 1M tokens, compared to 200K tokens for o1-pro. A larger window means the model can consider more text at once - useful for long contracts, codebases, or months of records.

Should I use o1-pro or Gemini 3 Pro?

It depends on the job. Compare the pricing, context window, and strengths above against your workload - and remember the choice isn't permanent. In Appaca you can build a tool on o1-pro, test the same tool on Gemini 3 Pro, and switch at any time without rebuilding anything.

Can I use o1-pro and Gemini 3 Pro without writing code?

Yes. Appaca is a no-code AI workspace: describe the internal tool your team needs and the Appaca agent builds it as a working app powered by o1-pro, Gemini 3 Pro, or any other model in the directory - with a built-in database, team access, and integrations. No API keys to wire up and nothing to deploy.

Build AI tools with o1-pro or Gemini 3 Pro

Describe the tool your team needs and get a working app powered by the model you choose - with a built-in database, team access, and integrations. No code, no deployment.