Whisper vs Opus 4.5
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 OpenAI Whisper with superior overall performance and features that make it the better choice for most users.
Try Opus 4.5Feature Comparison
Feature
Whisper
Opus 4.5
Ratings
Overall Rating
4.6
4.9
Coding
-
5.0
Writing
-
4.8
Reasoning
-
4.9
Speed
-
4.2
Value
5.0
4.5
Pricing
Monthly Price
-
$20
Free Tier
Input (per 1M tokens)
-
$5
Output (per 1M tokens)
-
$25
Features
Context Window
-
200K
Vision/Images
Audio
Video
Code Generation
AI Agents
OpenAI Whisper
Pros
- 99+ languages
- Open source available
- Best-in-class accuracy
- Free local usage
- API available
Cons
- Requires GPU for local use
- API has usage costs
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
Choose Whisper if you need:
Transcription, speech-to-text, multilingual audio
Choose Opus 4.5 if you need:
Professional developers, complex codebases, autonomous agents
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.