Opus 4.5 vs Gemini 3
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
Claude Opus 4.5
Claude Opus 4.5 edges out Gemini 3 Pro with superior overall performance and features that make it the better choice for most users.
Try Opus 4.5Feature Comparison
Feature
Opus 4.5
Gemini 3
Ratings
Overall Rating
4.9
4.8
Coding
5.0
4.7
Writing
4.8
4.5
Reasoning
4.9
4.8
Speed
4.2
4.7
Value
4.5
5.0
Pricing
Monthly Price
$20
$20
Free Tier
Input (per 1M tokens)
$5
$1.25
Output (per 1M tokens)
$25
$5
Features
Context Window
200K
1049K
Vision/Images
Audio
Video
Code Generation
AI Agents
Claude Opus 4.5
Pros
- Best coding model available (80.9% SWE-bench)
- Excellent for autonomous agents
- Effort parameter allows speed/quality tradeoff
- 76% fewer tokens than Sonnet at same quality
- Strong at long-horizon tasks
Cons
- More expensive than Sonnet
- Slower on simple tasks
- Requires Claude Pro/Max subscription for full access
Gemini 3 Pro
Pros
- Best value - cheapest premium model
- Massive 1M+ token context
- First model to hit 1500 Elo
- True multimodal (video, audio, text, images)
- Excellent for large codebases
Cons
- Writing style less polished than Claude
- Google ecosystem integration can be limiting
- Deep Think mode limited to Ultra subscribers
Choose Opus 4.5 if you need:
Professional developers, complex codebases, autonomous agents
Choose Gemini 3 if you need:
Large projects, budget-conscious users, multimodal tasks
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.