Laguna XS 2.1 vs Fugu Ultra: side-by-side summary

Laguna XS 2.1 and Fugu Ultra are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Laguna XS 2.1, from poolside, has a 262,144-token context window and is priced at $0.06/M tokens input, $0.12/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

• Laguna XS 2.1: 262,144 tokens
• Fugu Ultra: 1,000,000 tokens

Price

• Laguna XS 2.1: $0.06/M tokens input, $0.12/M tokens output
• Fugu Ultra: $5/M tokens input, $30/M tokens output

Provided by

• Laguna XS 2.1: poolside
• Fugu Ultra: sakana

• Laguna XS 2.1 model details, providers and pricing
• Fugu Ultra model details, providers and pricing