AI Agent

Sakana Fugu

Sakana Fugu is a multi-agent system that dynamically orchestrates multiple AI models via a single API to tackle complex multi-step tasks.

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Sakana Fugu

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What is Sakana Fugu?

Sakana Fugu is a multi-agent AI system that coordinates a pool of specialized models to automatically solve complex, multi-step tasks. It learns to dynamically assemble and orchestrate agents without human-designed workflows, delivering frontier-level performance through a single OpenAI-compatible API.

Sakana Fugu vs Similar AI Tools

Pricing ModelPaidFreeFree, Free TrialFree, Paid
Free Credits
Key Features
  • Single API to access a coordinated pool of specialized models
  • Dynamic model selection and switching for each task
  • Frontier-level performance on coding, reasoning, and quality-critical workflows
  • On-device text extraction from screen without saving screenshots
  • Semantic search by meaning, not just keywords
  • Commitment detection with due-date reminders
  • Plain English strategy description
  • Real historical market data
  • Models slippage, stops, and fills
  • Scans skills and MCP servers against ATR rules before loading
  • Real-time runtime protection against prompt injection and hijacks
  • Signed audit-ready evidence for compliance (EU AI Act, NYDFS, DORA)
Pros
  • Delivers frontier-level performance on complex tasks without single-vendor lock-in
  • Single API simplifies integration and reduces complexity
  • Fully on-device processing ensures complete privacy
  • Free and open source with no subscription
  • Easy natural language interface
  • Realistic backtesting with slippage and funding
  • Open source with MIT license
  • Real-time detection and prevention
Cons
  • Not available in the EU/EEA due to GDPR compliance work in progress
  • Proprietary routing information is not exposed, limiting transparency
  • Mac-only, requires macOS 15+ and Apple Silicon
  • Permission re-authorization needed after updates (macOS limitation)
  • Limited free trial (250 calls, 30 days)
  • Usage beyond trial requires contacting support
  • Enterprise features require paid tiers
  • Setup may require technical expertise
Best For
  • Developers needing a single API for diverse AI capabilities
  • Teams working on complex coding, reasoning, or research tasks
  • Individuals who want to remember everything they see on their Mac
  • Professionals and students needing to track commitments and changes
  • Crypto traders
  • Quantitative researchers
  • Developers building and deploying AI agents
  • Enterprises needing audit-ready AI security

How to use Sakana Fugu?

  1. 1Sign up and obtain an API key from the Sakana Fugu console.
  2. 2Configure your existing OpenAI-compatible client or coding harness with the Fugu endpoint and API key.
  3. 3Send requests as you would with any standard OpenAI API – no SDK migration required.
  4. 4Optionally, customize the agent pool for the Fugu model via the settings menu to meet data, privacy, or compliance needs.
  5. 5Monitor token usage and cost per request in real time.

Sakana Fugu Key Features

  • Single API to access a coordinated pool of specialized models
  • Dynamic model selection and switching for each task
  • Frontier-level performance on coding, reasoning, and quality-critical workflows
  • Flexibility to opt out specific providers or models for compliance
  • OpenAI-compatible API for easy integration
  • Two model variants: Fugu (balanced) and Fugu Ultra (performance-optimized)

Sakana Fugu Use Cases

  • Coding and code review
  • Complex multi-step reasoning and problem-solving
  • Research and paper reproduction
  • Security assessments and penetration testing
  • Patent landscape analysis and literature review
  • Automated ML research (e.g., improving training recipes)

Sakana Fugu Pricing & Free Credits

Sakana Fugu currently operates on a Paid model.

Free Tier

Standard Subscription

$20/month

Lightweight daily usage: occasional API calls, small experiments, personal workflows. Includes both Fugu and Fugu Ultra.

Pro Subscription

$100/month

Focused working sessions: 10× the usage of Standard, ideal for regular coding, review, research, and analysis.

Max Subscription

$200/month

Heavy long-running workloads: 30× the usage of Standard, for power users with deep, long-running tasks.

Paid Plans

Fugu Token Plan

Variable

Pay-as-you-go: when one agent is active, you pay the underlying model's standard rate; when multiple agents are active, you pay a single rate based on the top-tier model involved. No stacking of fees.

Fugu Ultra Token Plan

$5 input / $30 output per 1M tokens

Fixed pricing for fugu-ultra-20260615: input $5, output $30, cached input $0.50 (rates increase for contexts >272K tokens).

Fugu Token Plan

Variable

Pay-as-you-go: when one agent is active, you pay the underlying model's standard rate; when multiple agents are active, you pay a single rate based on the top-tier model involved. No stacking of fees.

Fugu Ultra Token Plan

$5 input / $30 output per 1M tokens

Fixed pricing for fugu-ultra-20260615: input $5, output $30, cached input $0.50 (rates increase for contexts >272K tokens).

Standard Subscription

$20/month

Lightweight daily usage: occasional API calls, small experiments, personal workflows. Includes both Fugu and Fugu Ultra.

Pro Subscription

$100/month

Focused working sessions: 10× the usage of Standard, ideal for regular coding, review, research, and analysis.

Max Subscription

$200/month

Heavy long-running workloads: 30× the usage of Standard, for power users with deep, long-running tasks.

Sakana Fugu Pros & Cons

Pros

  • Delivers frontier-level performance on complex tasks without single-vendor lock-in
  • Single API simplifies integration and reduces complexity
  • Flexible agent selection allows compliance with data privacy requirements
  • Research-backed coordination strategies (TRINITY and Conductor papers)
  • OpenAI-compatible API enables easy migration from existing setups

Cons

  • Not available in the EU/EEA due to GDPR compliance work in progress
  • Proprietary routing information is not exposed, limiting transparency
  • Cost may be higher than individual model APIs for simple tasks
  • Limited to supported models in the agent pool

What is Sakana Fugu best for?

  • Developers needing a single API for diverse AI capabilities
  • Teams working on complex coding, reasoning, or research tasks
  • Enterprises requiring compliance-friendly model orchestration
  • Power users demanding high-quality, multi-step agentic workflows

Sakana Fugu FAQ

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