Seed 2.1 Turbo vs Mercury 2.5 Preview: side-by-side summary

Seed 2.1 Turbo and Mercury 2.5 Preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Seed 2.1 Turbo, from bytedance-seed, has a 262,144-token context window and is priced at $0.50/M tokens input, $2.50/M tokens output on OpenRouter.

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.

Context window

• Seed 2.1 Turbo: 262,144 tokens
• Mercury 2.5 Preview: 260,000 tokens

Price

• Seed 2.1 Turbo: $0.50/M tokens input, $2.50/M tokens output
• Mercury 2.5 Preview: $0.04/M tokens input, $0.15/M tokens output

Provided by

• Seed 2.1 Turbo: bytedance-seed
• Mercury 2.5 Preview: inception

• Seed 2.1 Turbo model details, providers and pricing
• Mercury 2.5 Preview model details, providers and pricing