Gust AI v0.9.1 Alpha
Powered by Claude Sonnet 5.5
NEW: CLAUDE 5.5 FAMILY READY Upgraded to Claude Sonnet 5.5 & Haiku 5.5 with 1M Context Window & Adaptive Thinking. Read Architecture →
ENGINEERED NATIVELY FOR ANTHROPIC CLAUDE SONNET 5.5 & HAIKU 5.5 1,000,000 TOKENS

Deterministic Multi-Agent Swarms, Powered by Claude Sonnet 5.5

Gust AI is an enterprise-grade autonomous agent platform that coordinates specialized software engineering swarms. Built natively around Anthropic’s 1M Context Window, Adaptive Thinking, Ephemeral Prompt Caching, and Model Context Protocol (MCP).

1,000,000
Context Window
Whole-Repo Ingestion with Zero Chunking
Adaptive
Thinking Engine
Dynamic Reasoning Effort Allocation
89.6%
Prompt Cache Hit Rate
Sub-Second Ephemeral Cache Reads
Nov 2026
Public Beta Launch
Claude Marketplace Integration
LIVE CLAUDE 5.5 RUNTIME PREVIEW

Interactive Agent Swarm Console

Simulate real-time multi-agent execution orchestrating Claude Sonnet 5.5 and Haiku 5.5 with Model Context Protocol (MCP) tool calls.

Select Swarm Preset:
workspace: gust-prod-cluster / session-ant-5501
Active Model: claude-sonnet-5.5 Prompt Cache: ACTIVE (1M Window)

Agent Topology 3 Subagents Online

Lead Orchestrator
Claude Sonnet 5.5

Uses Adaptive Thinking to decompose architecture across 1M context with zero hallucination.

Code Synthesizer
Claude Sonnet 5.5

Executes AST code refactoring and tool calls via MCP terminal.

Verifier & Linter
Claude Haiku 5.5

Sub-second static analysis verification & safety boundary check.

Active Context Size 482,100 / 1,000,000 toks
Adaptive Effort: Level 4 (Deep)
Cache Read: 440,000 toks
Task: Migrate Legacy Monolith to Microservices & Validate
STATUS: EXECUTING
[Orchestrator: claude-sonnet-5.5] Adaptive Thinking (t = 0.18s, Cache Read: 440K toks)

Ingested entire 450K token enterprise codebase into Claude Sonnet 5.5. Decomposed 14 tightly coupled modules in auth_service.py using deep architectural reasoning. Spawning Code Synthesizer subagent with verified MCP schema.

[Code Synthesizer: claude-sonnet-5.5] t = 1.32s (Tool Use: mcp_git_branch)

Dispatched tool mcp::filesystem::write_ast. Decoupled OAuth2 token refresh pipeline into standalone service module. Creating isolated test suite...

[Verifier: claude-haiku-5.5] t = 1.89s (Sub-Second Verification)

Ran pytest on refactored endpoints. 48/48 tests passed (0 failures, 100% coverage). Regressions checked: None. Memory leak analysis: Passed.

Deterministic Pipeline Completed. Artifact verified and ready for PR. Total Latency: 1.89s (Saved $24.80)
Try running your own simulated workflow:
ANTHROPIC CLAUDE 5.5 ARCHITECTURE

Engineered Natively for the Claude 5.5 Generation

Gust AI exploits the latest breakthroughs in Anthropic’s September/October 2026 Claude 5.5 family.

1. 1,000,000 Token Context & Prompt Caching 1M Tokens

Claude Sonnet 5.5's 1M token context allows Gust AI to ingest entire monolithic repositories without lossy RAG chunking. Combined with 5-minute ephemeral prompt caching, we read hundreds of thousands of cached tokens in sub-second intervals at a 90% cost discount.

// Claude Sonnet 5.5 1M Cache Integration
model: "claude-sonnet-5.5",
cache_control: { type: "ephemeral" }

2. Adaptive Thinking Effort Calibration Adaptive Mode

Claude Sonnet 5.5 introduces Adaptive Thinking. Gust AI dynamically modulates reasoning tokens based on task criticality: lightweight tasks execute instantly, while mission-critical refactors receive deep step-by-step reasoning verification.

// Dynamic Reasoning Effort Allocation
thinking: { type: "adaptive", budget_tokens: 16000 }

3. Native Model Context Protocol (MCP) Open Standard

Gust AI implements Anthropic's open-source MCP protocol as both host and client, giving Sonnet 5.5 immediate secure access to file systems, databases, GitHub, and container environments.

// Secure MCP Tool Connector
mcp_servers: ["github", "postgresql", "docker_cluster"]

4. Sonnet 5.5 & Haiku 5.5 Dual-Tier Pipeline High Velocity

We use Claude Sonnet 5.5 for high-order architectural planning and complex code generation, offloading fast linting and unit test execution to Claude Haiku 5.5 at ultra-low latency and cost.

// Model Tier Dispatcher
router.dispatch({ planner: "sonnet-5.5", verifier: "haiku-5.5" })
CLAUDE 5.5 BENCHMARK SUITE

Why Claude Sonnet 5.5 Outperforms in Agentic Workflows

Tested across 45,000+ autonomous enterprise agent cycles at Gust Labs.

Terminal-Bench 4.0 Coding
#1 State of the Art

Claude Sonnet 5.5 delivers industry-topping agentic coding performance, handling shell tools and multi-file refactoring flawlessly.

1M Context Retrieval & Logic
99.7% at 1,000,000 tokens

Flawless retention of user rules, security policies, and architectural constraints across massive single-prompt codebases.

Cost per 1M Cached Token Read
$0.30 Prompt Caching

Prompt caching slashes the cost of running large agent swarms from hundreds of dollars per day to a few cents.

PRODUCT RELEASE SCHEDULE

Concrete Launch Milestones

Gust AI is on track for official public enterprise availability in Q4 2026.

Q1 2026: Core Multi-Agent Kernel & Architecture

COMPLETED

Built deterministic state-machine orchestrator, dynamic topological sorting for agent dependencies, and MCP protocol integration.

Q2 2026: Private Alpha & Enterprise Design Partners

COMPLETED

Deployed closed Alpha v0.8.4 across 24 enterprise engineering teams. Validated 45,000+ production agent runs with 99.4% task completion rate.

Q4 2026 (November): Claude Sonnet 5.5 Public Beta & Claude Marketplace Listing

CURRENT PHASE

Upgrading swarms to native Claude Sonnet 5.5 & Haiku 5.5. Public Beta opening to 1,840+ registered engineers. Official submission to the Claude Marketplace. Release of open-source TypeScript & Python SDKs.

Q1 2027: Enterprise VPC & Multi-Region On-Premises Swarms

UPCOMING

Dedicated single-tenant agent deployments on AWS Bedrock and Google Cloud Vertex AI with SOC2 Type II compliance.

HY
LEADERSHIP & ENGINEERING

Hyeonseo Yoon

Founder & Chief Architect, Gust AI

"Our core mission at Gust AI is to eliminate the unpredictability of autonomous software engineering. By centering our design around Claude Sonnet 5.5's 1M context, Adaptive Thinking, and tool execution, we enable enterprises to deploy autonomous swarms they can actually trust."

Seoul & Global contact@gustj.site
PUBLIC BETA ADMISSION

Get Early Access for Q4 2026

Join 1,840+ software engineers scaling production multi-agent pipelines on Claude Sonnet 5.5.

Direct founder contact: contact@gustj.site