Seed-2.0-Code vs Sonar Reasoning Pro: side-by-side summary

Seed-2.0-Code and Sonar Reasoning Pro 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.

Sonar Reasoning Pro, from Perplexity, has a 128,000-token context window and is priced at $2/M tokens input, $8/M tokens output on OpenRouter.

Context window

• Seed-2.0-Code: 262,144 tokens
• Sonar Reasoning Pro: 128,000 tokens

Price

• Seed-2.0-Code: $0.50/M tokens input, $3/M tokens output
• Sonar Reasoning Pro: $2/M tokens input, $8/M tokens output

Provided by

• Seed-2.0-Code: bytedance-seed
• Sonar Reasoning Pro: Perplexity

• Seed-2.0-Code model details, providers and pricing
• Sonar Reasoning Pro model details, providers and pricing