Grok 4.5 vs DeepSeek V4 Pro 0423: side-by-side summary

Grok 4.5 and DeepSeek V4 Pro 0423 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Grok 4.5, from SpaceXAI, has a 500,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.

DeepSeek V4 Pro 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.5559/M tokens input, $1.112/M tokens output on OpenRouter.

Context window

• Grok 4.5: 500,000 tokens
• DeepSeek V4 Pro 0423: 1,048,576 tokens

Price

• Grok 4.5: $2/M tokens input, $6/M tokens output
• DeepSeek V4 Pro 0423: $0.5559/M tokens input, $1.112/M tokens output

Provided by

• Grok 4.5: SpaceXAI
• DeepSeek V4 Pro 0423: DeepSeek

• Grok 4.5 model details, providers and pricing
• DeepSeek V4 Pro 0423 model details, providers and pricing