claude-sonnet-4-6 vs gpt-5.5
Compare claude-sonnet-4-6 and gpt-5.5 side by side: input and output price per 1M tokens, context window, endpoints, and pricing type on ZipFlow.
| Model | claude-sonnet-4-6Cheaper input | gpt-5.5 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context | - | - |
| Input / 1M | $ 0.54 | $ 0.9 |
| Output / 1M | $ 2.7 | $ 5.4 |
| Cache / 1M | $ 0.054 | $ 0.09 |
| Endpoints | Chat, Response, Response, anthropic, gemini, openai-alpha-search | Chat, Response, Response, anthropic, gemini, openai-alpha-search |
| Pricing type | Per-token | Per-token |