Overview
Claude Opus 5.5 vs DeepSeek V4 Flash Vision Exp: side-by-side summary
Claude Opus 5.5 and DeepSeek V4 Flash Vision Exp are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Claude Opus 5.5, from Anthropic, has a 1,000,000-token context window and is priced at $4/M tokens input, $20/M tokens output on OpenRouter.
DeepSeek V4 Flash Vision Exp, from DeepSeek, has a 1,048,576-token context window and is priced at $0.2156/M tokens input, $0.6468/M tokens output on OpenRouter.
- Context window
- Claude Opus 5.5: 1,000,000 tokens
- DeepSeek V4 Flash Vision Exp: 1,048,576 tokens
- Price
- Claude Opus 5.5: $4/M tokens input, $20/M tokens output
- DeepSeek V4 Flash Vision Exp: $0.2156/M tokens input, $0.6468/M tokens output
- Provided by
- Claude Opus 5.5: Anthropic
- DeepSeek V4 Flash Vision Exp: DeepSeek