Grok 4.6 vs Muse Spark 1.1: side-by-side summary

Grok 4.6 and Muse Spark 1.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Grok 4.6, from SpaceXAI, has a 500,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.

Muse Spark 1.1, from Meta, has a 1,048,576-token context window and is priced at $1.25/M tokens input, $4.25/M tokens output on OpenRouter.

Context window

• Grok 4.6: 500,000 tokens
• Muse Spark 1.1: 1,048,576 tokens

Price

• Grok 4.6: $2/M tokens input, $6/M tokens output
• Muse Spark 1.1: $1.25/M tokens input, $4.25/M tokens output

Provided by

• Grok 4.6: SpaceXAI
• Muse Spark 1.1: Meta

• Grok 4.6 model details, providers and pricing
• Muse Spark 1.1 model details, providers and pricing