Muse Spark 1.1 vs Step 3.7 Flash: side-by-side summary

Muse Spark 1.1 and Step 3.7 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

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.

Step 3.7 Flash, from stepfun, has a 262,144-token context window and is priced at $0.20/M tokens input, $1.15/M tokens output on OpenRouter.

Context window

• Muse Spark 1.1: 1,048,576 tokens
• Step 3.7 Flash: 262,144 tokens

Price

• Muse Spark 1.1: $1.25/M tokens input, $4.25/M tokens output
• Step 3.7 Flash: $0.20/M tokens input, $1.15/M tokens output

Provided by

• Muse Spark 1.1: Meta
• Step 3.7 Flash: stepfun

• Muse Spark 1.1 model details, providers and pricing
• Step 3.7 Flash model details, providers and pricing