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  1. Home
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  3. Compare

GPT-6 Astra Pro vs Fugu Ultra v2

Compare GPT-6 Astra Pro from OpenAI 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.

GPT-6 Astra Pro vs Fugu Ultra v2: side-by-side summary

GPT-6 Astra Pro and Fugu Ultra v2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-6 Astra Pro, from OpenAI, has a 1,050,000-token context window and is priced at $10/M tokens input, $50/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.

Context window
  • GPT-6 Astra Pro: 1,050,000 tokens
  • Fugu Ultra v2: 1,000,000 tokens
Price
  • GPT-6 Astra Pro: $10/M tokens input, $50/M tokens output
  • Fugu Ultra v2: $5/M tokens input, $30/M tokens output
Provided by
  • GPT-6 Astra Pro: OpenAI
  • Fugu Ultra v2: sakana
  • GPT-6 Astra Pro model details, providers and pricing
  • Fugu Ultra v2 model details, providers and pricing