Phi 4 vs Hy4 preview: side-by-side summary

Phi 4 and Hy4 preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Phi 4, from Microsoft, has a 16,384-token context window and is priced at $0.07/M tokens input, $0.14/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

• Phi 4: 16,384 tokens
• Hy4 preview: 1,048,576 tokens

Price

• Phi 4: $0.07/M tokens input, $0.14/M tokens output
• Hy4 preview: $0.834/M tokens input, $2.501/M tokens output

Provided by

• Phi 4: Microsoft
• Hy4 preview: tencent

• Phi 4 model details, providers and pricing
• Hy4 preview model details, providers and pricing