Claude 3.5 Sonnet vs GPT-4o
Claude 3.5 Sonnet
Verdict: Claude 3.5 Sonnet outperforms GPT-4o on coding benchmarks by 4-6 points and handles 56% longer contexts, while GPT-4o delivers responses 30-50% faster with full voice/video support per Artificial Analysis and OpenAI benchmarks. Claude wins for depth; GPT-4o wins for speed and multimodality.
How we scored it
Spec verificationOwner sentimentLive pricing (4h refresh)Editorial review
Our methodology
Winner: Claude 3.5 Sonnet
Claude 3.5 Sonnet: 8.5/10
GPT-4o: 8/10
Spec-by-spec comparison
| Claude 3.5 Sonnet | GPT-4o | |
|---|---|---|
| Context Window | 200K tokens | 128K tokens |
| Release Date | 2024-06 | 2024-05 |
| Multimodal Input | Text and images | Text, images, audio, video |
| Knowledge Cutoff | 2024-04 | 2023-10 |
Claude 3.5 Sonnet
What works
- 200K token context window supports longer documents
- Strong coding and reasoning benchmarks (e.g. 92.0% on HumanEval)
- Detailed, structured responses with fewer hallucinations on complex tasks
What doesn't
- Slower response speed than GPT-4o in real-time chat
- No native voice or video input support
GPT-4o
What works
- Fastest inference speed among frontier models
- Native real-time voice and video capabilities
- Broad multimodal support across text, vision and audio
What doesn't
- Smaller 128K context window limits very long documents
- More prone to verbosity on technical reasoning tasks
Bottom line
Our pick: Claude 3.5 Sonnet.
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