Mercury 2.5 Preview vs Hy4 preview: side-by-side summary

Mercury 2.5 Preview and Hy4 preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Mercury 2.5 Preview, from inception, has a 260,000-token context window and is priced at $0.04/M tokens input, $0.15/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

• Mercury 2.5 Preview: 260,000 tokens
• Hy4 preview: 1,048,576 tokens

Price

• Mercury 2.5 Preview: $0.04/M tokens input, $0.15/M tokens output
• Hy4 preview: $0.834/M tokens input, $2.501/M tokens output

Provided by

• Mercury 2.5 Preview: inception
• Hy4 preview: tencent

• Mercury 2.5 Preview model details, providers and pricing
• Hy4 preview model details, providers and pricing