GPT-5.2 vs Gemini CLI
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
GPT-5.2 Instant
GPT-5.2 Instant edges out Gemini CLI with superior overall performance and features that make it the better choice for most users.
Try GPT-5.2Feature Comparison
Feature
GPT-5.2
Gemini CLI
Ratings
Overall Rating
4.8
4.6
Coding
4.6
4.5
Writing
4.8
4.4
Reasoning
4.7
4.6
Speed
4.9
4.7
Value
4.7
5.0
Pricing
Monthly Price
$20
$0
Free Tier
Input (per 1M tokens)
$2.5
$1.25
Output (per 1M tokens)
$10
$5
Features
Context Window
128K
1000K
Vision/Images
Audio
Video
Code Generation
AI Agents
GPT-5.2 Instant
Pros
- Newest OpenAI model (Dec 2025)
- Fast responses optimized for speed
- 30% fewer hallucinations than GPT-5.1
- Knowledge cutoff August 2025
- Better at spreadsheets and presentations
- Matches human experts on professional tasks
Cons
- Not as strong as Thinking variant for complex tasks
- Requires paid subscription for full access
- Coding not as strong as Claude Opus 4.5
Gemini CLI
Pros
- Most generous free tier (1,000/day)
- 1M token context window
- Fully open source (Apache 2.0)
- Built-in Google Search grounding
- MCP support for extensions
Cons
- Newer than Claude Code
- Less proven in enterprise settings
Choose GPT-5.2 if you need:
Daily tasks, writing, translation, quick coding help
Choose Gemini CLI if you need:
Budget-conscious developers, large codebases, Google ecosystem users
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.