Fugu Ultra v2
Fugu Ultra v2 is Sakana AI's capability-focused multi-agent orchestrator for complex multi-step reasoning, autonomous research, and full-stack software development. It scores best or joint-best on 5 of 8 benchmarks (including DeepSWE 74.3 and Chartography 48.3) while deliberately excluding closed frontier models like Fable 5 and GPT-6-Astra from its agent pool to avoid vendor lock-in.
- Type
- Coding
- Weights
- Closed
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About Sakana AI
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Sakana AI is an AI research and development company creating nature-inspired foundation models and user-facing AI products.