Seed 2.1 Turbo vs Fugu Ultra: side-by-side summary

Seed 2.1 Turbo and Fugu Ultra 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.

Fugu Ultra, from sakana, has a 1,000,000-token context window and is priced at $5/M tokens input, $30/M tokens output on OpenRouter.

Context window

• Seed 2.1 Turbo: 262,144 tokens
• Fugu Ultra: 1,000,000 tokens

Price

• Seed 2.1 Turbo: $0.50/M tokens input, $2.50/M tokens output
• Fugu Ultra: $5/M tokens input, $30/M tokens output

Provided by

• Seed 2.1 Turbo: bytedance-seed
• Fugu Ultra: sakana

• Seed 2.1 Turbo model details, providers and pricing
• Fugu Ultra model details, providers and pricing