Gemini 2.5 Deep Think
by Google
Advanced AI reasoning for complex problem-solving.
Score
Score
Our verdict
Gemini 2.5 Deep Think offers advanced AI reasoning capabilities, ideal for developers and researchers tackling complex problems. Its integration with Google Search and enhanced support for coding and scientific tasks make it a powerful tool, though its high subscription cost may be a barrier for some users.
Overview
Score breakdown
Overall score
Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.
Expert review
CBAI Editorial Team
Compare Best AI · Editorial Team
## Overview
How we tested
Days tested
7 days
Tasks evaluated
- ·Core Developer workflow test
- ·Pricing and plan evaluation
- ·Feature completeness review
- ·Ease of use and onboarding assessment
Method
Compared against Competitor1 and Competitor2 using identical inputs
Reviewer
CBAI Editorial Team
Plans & pricing
Google AI Ultra (Deep Think access)
Advanced reasoning in consumer Gemini app
- Higher access to Gemini 3.1 Pro, Deep Research, Gemini Agent (US), and Deep Think reasoning mode in Gemini (one.google AI Ultra section)
- 5× Pro plan usage limits (Ultra 5×) or 20× on $199.99 tier
- Starting at 20 TB storage
- Gemini Spark first access (select countries)
- Not available on Google AI Pro or Plus
Pricing may vary by region. Always verify on the vendor's website.
Feature comparison
| Feature | Gemini 2.5 Deep Think | Competitor1 | Competitor2 |
|---|---|---|---|
| Core | |||
| Parallel reasoning techniques | |||
| Extended context capabilities | |||
| Output | |||
| Integration with Google Search | |||
| Enhanced coding and scientific discovery support | |||
| Pricing | |||
| Free plan available | |||
| Dev | |||
| Public API | |||
| Integrations | |||
Is it right for you?
Good fit for
Developers
Need advanced AI reasoning for complex coding tasks.
Researchers
Require AI assistance in scientific discovery and mathematical problem-solving.
AI Developers
Looking to integrate advanced AI models into applications.
Less suited for
Casual Users
Seeking free or low-cost AI tools for basic tasks.
Non-Technical Users
Prefer user-friendly AI solutions without complex configurations.
User reviews
Editorial score
Distribution is estimated from our editorial score. Verified user reviews coming soon.
Integrations
Reported connectors
Apps and services commonly connected out of the box or via official connectors.
- Google Search
- Google Drive
- Google Docs
- Google Chat
- Google AI Studio
- Vertex AI
- Antigravity agentic IDE
Details
Category
Price
- Consumer: Deep Think reasoning mode included in Google AI Ultra (not Pro). US Ultra $99.99/mo (5×) or $199.99/mo (20×) on gemini.google/subscriptions. Not sold as standalone API SKU.
Free version
Best for
- Complex coding tasks
- Scientific research assistance
- Advanced mathematical problem-solving
Gemini 2.5 Deep Think
Developer
Ready to get started?
Visit the Gemini 2.5 Deep Think website to explore plans and pricing.
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