Compare DeepSeek V4 Pro 0813 from DeepSeek and Fugu Ultra v2 from sakana on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
DeepSeek V4 Pro 0813 and Fugu Ultra v2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V4 Pro 0813, from DeepSeek, has a 1,048,576-token context window and is priced at $0.66/M tokens input, $1.98/M tokens output on OpenRouter.
Fugu Ultra v2, from sakana, has a 1,000,000-token context window and is priced at $5/M tokens input, $30/M tokens output on OpenRouter.