Seed-2.0-Code vs GLM 5.3 Flash: side-by-side summary

Seed-2.0-Code and GLM 5.3 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Seed-2.0-Code, from bytedance-seed, has a 262,144-token context window and is priced at $0.50/M tokens input, $3/M tokens output on OpenRouter.

GLM 5.3 Flash, from Z.ai, has a 1,310,720-token context window and is priced at $0.075/M tokens input, $0.25/M tokens output on OpenRouter.

Context window

• Seed-2.0-Code: 262,144 tokens
• GLM 5.3 Flash: 1,310,720 tokens

Price

• Seed-2.0-Code: $0.50/M tokens input, $3/M tokens output
• GLM 5.3 Flash: $0.075/M tokens input, $0.25/M tokens output

Provided by

• Seed-2.0-Code: bytedance-seed
• GLM 5.3 Flash: Z.ai

• Seed-2.0-Code model details, providers and pricing
• GLM 5.3 Flash model details, providers and pricing