DeepSeek V4 Flash Vision Exp vs Claude Sonnet 5: side-by-side summary

DeepSeek V4 Flash Vision Exp and Claude Sonnet 5 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4 Flash Vision Exp, from DeepSeek, has a 1,048,576-token context window and is priced at $0.22/M tokens input, $0.66/M tokens output on OpenRouter.

Claude Sonnet 5, from Anthropic, has a 1,000,000-token context window and is priced at $2/M tokens input, $10/M tokens output on OpenRouter.

Context window

• DeepSeek V4 Flash Vision Exp: 1,048,576 tokens
• Claude Sonnet 5: 1,000,000 tokens

Price

• DeepSeek V4 Flash Vision Exp: $0.22/M tokens input, $0.66/M tokens output
• Claude Sonnet 5: $2/M tokens input, $10/M tokens output

Provided by

• DeepSeek V4 Flash Vision Exp: DeepSeek
• Claude Sonnet 5: Anthropic

• DeepSeek V4 Flash Vision Exp model details, providers and pricing
• Claude Sonnet 5 model details, providers and pricing