Muse Spark 1.2 Contributor vs Hy4 preview: side-by-side summary

Muse Spark 1.2 Contributor and Hy4 preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Muse Spark 1.2 Contributor, from Meta, has a 1,048,576-token context window and is priced at $0.10/M tokens input, $0.20/M tokens output on OpenRouter.

Hy4 preview, from tencent, has a 1,048,576-token context window and is priced at $0.834/M tokens input, $2.501/M tokens output on OpenRouter.

Context window

• Muse Spark 1.2 Contributor: 1,048,576 tokens
• Hy4 preview: 1,048,576 tokens

Price

• Muse Spark 1.2 Contributor: $0.10/M tokens input, $0.20/M tokens output
• Hy4 preview: $0.834/M tokens input, $2.501/M tokens output

Provided by

• Muse Spark 1.2 Contributor: Meta
• Hy4 preview: tencent

• Muse Spark 1.2 Contributor model details, providers and pricing
• Hy4 preview model details, providers and pricing