OpenAI: GPT-5 Pro vs Vertex claude-3-5-sonnet
Compare these two models side-by-side to help you make the best choice for your needs
OpenAI: GPT-5 Pro
PremiumDescription
GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy in high-stakes use cases. It supports test-time routing features and advanced prompt understanding, including user-specified intent like "think hard about this." Improvements include reductions in hallucination, sycophancy, and better performance in coding, writing, and health-related tasks.
Strengths
- •Multimodal understanding with text and image support
- •Large context window (400k tokens)
Best For
Image and document understanding
Vertex claude-3-5-sonnet
PremiumDescription
Anthropic's previous most intelligent model. High level of intelligence and capability. Excells in coding.
Strengths
- •Multimodal understanding with text and image support
- •Large context window (200k tokens)
- •Strong coding performance
Best For
Software development and debugging
| Feature | OpenAI: GPT-5 Pro | Vertex claude-3-5-sonnet |
|---|---|---|
| Provider | OpenRouter | Requesty |
| Context Length | 400,000 tokens | 200,000 tokens |
| Input Price | $15.00/M | $3.00/M |
| Output Price | $120.00/M | $15.00/M |
| Vision Support | Yes | Yes |
| Premium | Yes | Yes |
| Capabilities | TextVision | VisionCachingTools+1 more |