Kimi K3 vs Fugu Ultra: side-by-side summary

Kimi K3 and Fugu Ultra are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Kimi K3, from moonshotai, has a 1,048,576-token context window and is priced at $2.60/M tokens input, $13/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

• Kimi K3: 1,048,576 tokens
• Fugu Ultra: 1,000,000 tokens

Price

• Kimi K3: $2.60/M tokens input, $13/M tokens output
• Fugu Ultra: $5/M tokens input, $30/M tokens output

Provided by

• Kimi K3: moonshotai
• Fugu Ultra: sakana

• Kimi K3 model details, providers and pricing
• Fugu Ultra model details, providers and pricing