--- title: "Agent-Reach vs LongWriter" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/panniantong-agent-reach-vs-thudm-longwriter" tools: ["panniantong-agent-reach", "thudm-longwriter"] --- # Agent-Reach vs LongWriter *GraphCanon updated Jul 11, 2026* ## Verdict Pick Agent-Reach when license: Agent-Reach is MIT, LongWriter is Apache-2.0; pick LongWriter when license: LongWriter is Apache-2.0, Agent-Reach is MIT. [Agent-Reach](https://github.com/Panniantong/Agent-Reach) reports 55k GitHub stars, 4.5k forks, and 144 open issues, last pushed Jul 10, 2026. [LongWriter](https://github.com/THUDM/LongWriter) has 1.9k stars, 184 forks, and 31 open issues, last pushed Jun 24, 2025. Figures are from public GitHub metadata via [Agent-Reach's repository](https://github.com/Panniantong/Agent-Reach) and [LongWriter's repository](https://github.com/THUDM/LongWriter). | | [Agent-Reach](/tools/panniantong-agent-reach.md) | [LongWriter](/tools/thudm-longwriter.md) | | --- | --- | --- | | Tagline | Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees. | [ICLR 2025] LongWriter: Unleashing 10,000+ Word Generation from Long Context LLMs | | Stars | 54,715 | 1,868 | | Forks | 4,509 | 184 | | Open issues | 144 | 31 | | Language | Python | Python | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | LLM Frameworks, AI Agents, Developer Tools | LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [Agent-Reach](/tools/panniantong-agent-reach.md) | [LongWriter](/tools/thudm-longwriter.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 0d | 382d | | Open issues (now) | 144 | 31 | | Owner type | User | Organization | | Security scan | No MCP manifest | No lockfile | | Full report | [trust report](/tools/panniantong-agent-reach/trust.md) | [trust report](/tools/thudm-longwriter/trust.md) | ## Choose when ### Choose Agent-Reach if… - License: Agent-Reach is MIT, LongWriter is Apache-2.0. - Tags unique to Agent-Reach: agent-infrastructure, ai-search, bilibili, claude-code. - Also covers AI Agents, Developer Tools. ### Choose LongWriter if… - License: LongWriter is Apache-2.0, Agent-Reach is MIT. - Tags unique to LongWriter: fine-tuning, llm, python, long-text. - Leaner open-issue backlog (31). ## When NOT to use Agent-Reach - LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. - AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. - Developer Tools: A gateway is overkill when you're pinned to a single provider and model. ## When NOT to use LongWriter - Last GitHub push was 383 days ago (dormant maintenance, Jun 24, 2025). Validate activity before betting a new project on LongWriter. - LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. ## Common questions ### What is the difference between Agent-Reach and LongWriter? Agent-Reach: Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.. LongWriter: [ICLR 2025] LongWriter: Unleashing 10,000+ Word Generation from Long Context LLMs. See the comparison table for live GitHub stats and shared categories. ### When should I choose Agent-Reach over LongWriter? Choose Agent-Reach over LongWriter when License: Agent-Reach is MIT, LongWriter is Apache-2.0; Tags unique to Agent-Reach: agent-infrastructure, ai-search, bilibili, claude-code; Also covers AI Agents, Developer Tools. ### When should I choose LongWriter over Agent-Reach? Choose LongWriter over Agent-Reach when License: LongWriter is Apache-2.0, Agent-Reach is MIT; Tags unique to LongWriter: fine-tuning, llm, python, long-text; Leaner open-issue backlog (31). ### When should I avoid Agent-Reach? LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. Developer Tools: A gateway is overkill when you're pinned to a single provider and model. ### When should I avoid LongWriter? Last GitHub push was 383 days ago (dormant maintenance, Jun 24, 2025). Validate activity before betting a new project on LongWriter. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. ### Is Agent-Reach or LongWriter more popular on GitHub? Agent-Reach has more GitHub stars (54,715 vs 1,868). Stars measure visibility, not whether either tool fits your constraints. ### Are Agent-Reach and LongWriter open source? Yes - both are open-source projects on GitHub (Agent-Reach: MIT, LongWriter: Apache-2.0). ### Where can I find alternatives to Agent-Reach or LongWriter? GraphCanon lists graph-backed alternatives at [Agent-Reach alternatives](/tools/panniantong-agent-reach/alternatives) and [LongWriter alternatives](/tools/thudm-longwriter/alternatives) ([Agent-Reach markdown twin](/tools/panniantong-agent-reach/alternatives.md), [LongWriter markdown twin](/tools/thudm-longwriter/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/panniantong-agent-reach-vs-thudm-longwriter.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, Agent-Reach or LongWriter? Agent-Reach: Very active. LongWriter: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for Agent-Reach and LongWriter? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Agent-Reach trust report](/tools/panniantong-agent-reach/trust); [LongWriter trust report](/tools/thudm-longwriter/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=panniantong-agent-reach`](/api/graphcanon/graph?tool=panniantong-agent-reach) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_