
DeerFlow
Product status: Status not recorded
No lifecycle review is recorded for this listing. Its inclusion in the directory does not confirm current availability; check the vendor before relying on it.
No status check date recorded
Self-hosted agent harness with subagents, skills, memory and configurable tool execution. No lifecycle review is recorded for this listing. Its inclusion in the directory does not confirm current availability; check the vendor before relying on it.
Product preview

Decision notes
Official-document research
Based on the cited documentation. We did not use the product, purchase a plan, or run quality, speed or reliability tests in this review.
Consider it for
- Developers managing their own model/tool stack
Choose another approach if
- A turnkey hosted assistant or guaranteed unattended completion
Pricing and conditions
Documented terms
MIT code has no license fee. Hardware, hosting, model tokens, search/crawling, sandbox and optional memory services are separate; their units, currencies, taxes and regional prices depend on providers. No unified vendor-hosted subscription amount was established.
Pricing source read:
Pricing or terms sourceCode, model and service licensing
MIT permits commercial use/modification/distribution with copyright and license notices, without warranty. It grants no blanket rights to model weights, tools, retrieved material or user inputs/outputs. Provider and tracing policies govern transmitted data; local deployment does not establish no training or zero retention.
Basis and limits of the recorded score
Original 4.4/5 retained; no original scoring worksheet or hands-on evidence was available. Documentation does not validate this score.
Overview
DeerFlow 2.0 is a LangGraph/LangChain agent harness for research and artifact workflows, with subagents, skills, MCP tools, memory and sandbox-aware execution. It is a rewrite; the 1.x branch remains maintained. The security policy does not promise an official stable release.
Operating it requires configuring models and tools, controlling command/file access and managing state. External LLMs, search, optional remote memory and tracing can transmit data. Traces may contain full prompts and outputs; local Monocle files do not automatically rotate. Sandbox isolation depends on deployment configuration.
Sources
The factual claims in this review were read from the pages below. Each date is when an editor last opened the source, not when the product changed.
- Vendor documentation Checked 2026-10-15
- Vendor documentation Checked 2026-10-15
- Vendor documentation Checked 2026-10-15
Pros / Cons
Pros
- Extensible skills, tools and subagent workflows
- MIT source available for adaptation
Cons
- Needs model/tool budgets and deployment operations
- High-privilege execution and stored traces need controls
Who it's for
Multi-source research and report workflows
Prototyping supervised multi-step agents
Bottom line
Consider it when you can operate and supervise an extensible agent runtime.
Key Features
Tags
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Frequently asked questions
Is DeerFlow currently available?
No lifecycle review is recorded for this listing. Its inclusion in the directory does not confirm current availability; check the vendor before relying on it.
What is DeerFlow?
DeerFlow is a Agents & Developer Tooling tool developed by ByteDance. Self-hosted agent harness with subagents, skills, memory and configurable tool execution.
What costs and terms should I check for DeerFlow?
MIT code has no license fee. Hardware, hosting, model tokens, search/crawling, sandbox and optional memory services are separate; their units, currencies, taxes and regional prices depend on providers. No unified vendor-hosted subscription amount was established.
Is DeerFlow open source?
MIT permits commercial use/modification/distribution with copyright and license notices, without warranty. It grants no blanket rights to model weights, tools, retrieved material or user inputs/outputs. Provider and tracing policies govern transmitted data; local deployment does not establish no training or zero retention.
What are the best alternatives to DeerFlow?
Notable Agents & Developer Tooling alternatives include Firecrawl, Browser Use, Daytona. Browse all 33 tools in our Agents & Developer Tooling category for a full overview.
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Basic Info
- Pricing
- Free
MIT code has no license fee. Hardware, hosting, model tokens, search/crawling, sandbox and optional memory services are separate; their units, currencies, taxes and regional prices depend on providers. No unified vendor-hosted subscription amount was established.
- Editorial score
- ★ 4.4 / 5 How we score
- Platforms
- LibraryWeb
- Last verified
- Not recorded