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Rank #8 of 9 in Agent Frameworks & SDKs

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LangGraph

Open Source

LangChain, Inc.

41.6k13.4k/yrnpm 2.5M/wkpypi 10M/wk +589npm/wk -956.8kpypi/wk +188.3k

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Install

pippip install -U langgraph
npmnpm install @langchain/langgraph

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LangGraph homepage screenshot
homepage · captured Sep 2026 · view live ↗
LangGraph docs screenshot
docs · captured Sep 2026 · view live ↗

LangChain ships more than one product — each judged line competes in its own arena on the same stories as everyone else.

LineArenaRankPA Score
LangGraphthis pageAgent Frameworks & SDKs#8/927/100
LangSmithLLM Evals & Observability#7/823/100

Verified integrations

Connections to other tracked products — hover a chip for the verbatim evidence quote behind it.

By theme — the product's score on each story themeBy theme

Agenticness — how well agents can access and operate the productAgenticnessevidence →

How well agents can access and operate the product

31.4/100

Agents tools — stories about agents tools in this arenaAgents toolsevidence →

Stories about agents tools in this arena

22.7/100

Automation depth — how much of the product can run unattendedAutomation depthevidence →

How much of the product can run unattended

12.8/100

Deployment portability — stories about deployment portability in this arenaDeployment portabilityevidence →

Stories about deployment portability in this arena

30.3/100

Evals observability — stories about evals observability in this arenaEvals observabilityevidence →

Stories about evals observability in this arena

34.3/100

Guardrails safety — stories about guardrails safety in this arenaGuardrails safetyevidence →

Stories about guardrails safety in this arena

0.0/100

Human in the loop — stories about human in the loop in this arenaHuman in the loopevidence →

Stories about human in the loop in this arena

86.0/100

Memory context — stories about memory context in this arenaMemory contextevidence →

Stories about memory context in this arena

40.0/100

Openness — open source, data portability, and self-hosting storiesOpennessevidence →

Open source, data portability, and self-hosting stories

42.0/100

Orchestration multi agent — stories about orchestration multi agent in this arenaOrchestration multi agentevidence →

Stories about orchestration multi agent in this arena

84.0/100

Privacy posture — data-handling and privacy storiesPrivacy postureevidence →

Data-handling and privacy stories

0.0/100

State durability — stories about state durability in this arenaState durabilityevidence →

Stories about state durability in this arena

86.0/100

Streaming output — stories about streaming output in this arenaStreaming outputevidence →

Stories about streaming output in this arena

21.0/100

Story verdicts — every judged story with its evidenceStory verdicts

What’s free: 5 free · 0 paid · 0 enterprise · 21 not stated in evidence

?

Sorted by importance (agentic first) (high → low) · 51/51 stories · click a row’s chevron for the rationale and evidence

Drive the product through a documented public API G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness3partial7/10T

Plug MCP servers into this product so it can use their tools G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness3full6/10C

Connect an agent via an official MCP server G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness3none0/10

Delegate tasks to a built-in AI assistant inside the product G

Agentic features

ai-native userAgenticness — how well agents can access and operate the productAgenticness3n/auntestednone yet

Point an agent at llms.txt or agent-oriented docs G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness2full9/10T

Use an official CLI G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness2full9/10T

Build against official SDKs G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness2full8/10T

Set up automations that run autonomously in the background G

Agentic features

ai-native userAgenticness — how well agents can access and operate the productAgenticness2partial7/10X

Run the product headlessly / in CI for automation G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness2partial6/10C

Download a machine-readable API spec (OpenAPI or equivalent) G

Api quality

ai-native userAgenticness — how well agents can access and operate the productAgenticness2none0/10

Explore an interactive API reference with runnable examples G

Api quality

ai-native userAgenticness — how well agents can access and operate the productAgenticness2none0/10

Operate the product with natural-language commands G

Agentic features

ai-native userAgenticness — how well agents can access and operate the productAgenticness2none0/10

Rely on versioned APIs with a documented deprecation policy G

Api quality

ai-native userAgenticness — how well agents can access and operate the productAgenticness2none0/10

Get AI-generated insights and suggestions from my data inside the product G

Agentic features

ai-native userAgenticness — how well agents can access and operate the productAgenticness2n/auntestednone yet

Issue scoped/least-privilege API credentials for an agent G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness2noneuntestednone yet

Subscribe to events via webhooks G

Agent access

ai-native userAgenticness — how well agents can access and operate the productAgenticness2noneuntestednone yet

Test against a sandbox environment without touching production data G

Api quality

ai-native userAgenticness — how well agents can access and operate the productAgenticness1partial4/10C

Checkpoint agent state so a run can resume exactly where it left off after a crash or restart C

Durable state

developerState durability — stories about state durability in this arenaState durability3full9/10C

Pause an agent mid-run for human input or approval and resume with the human's decision C

Approval flows

developerHuman in the loop — stories about human in the loop in this arenaHuman in the loop3full9/10C

Orchestrate multiple agents — handoffs, subagents, or crews — inside one workflow C

Multi agent

developerOrchestration multi agent — stories about orchestration multi agent in this arenaOrchestration multi agent3full8/10X

Self-host the core product G

ai-native userOpenness — open source, data portability, and self-hosting storiesOpenness3fullfree8/10C

Trace every LLM call and tool invocation of an agent run in an observability UI C

Tracing

developerEvals observability — stories about evals observability in this arenaEvals observability3full8/10X

Stream tokens and intermediate agent events (tool calls, steps) to my UI in real time C

Streaming

developerStreaming output — stories about streaming output in this arenaStreaming output3partialfree7/10X

Define an agent with typed custom tools in a few lines of code C

Agent authoring

developerAgents tools — stories about agents tools in this arenaAgents tools3partial4/10X

Define rules that trigger actions automatically on events G

ai-native userAutomation depth — how much of the product can run unattendedAutomation depth3partial4/10C

Export all of my data in open formats and leave G

ai-native userOpenness — open source, data portability, and self-hosting storiesOpenness3partial4/10C

Attach input/output guardrails that validate, transform, or block unsafe content C

Guardrails

developerGuardrails safety — stories about guardrails safety in this arenaGuardrails safety3none0/10

Swap the underlying LLM provider or model without rewriting my agent C

Portability

developerDeployment portability — stories about deployment portability in this arenaDeployment portability3none0/10

Get schema-validated structured output from an agent, with automatic retries when validation fails C

Structured output

developerStreaming output — stories about streaming output in this arenaStreaming output3noneuntestednone yet

Prevent my data from being used to train AI models G

ai-native userPrivacy posture — data-handling and privacy storiesPrivacy posture3noneuntestednone yet

Compose agents into an explicit graph or workflow with branching, loops, and parallel steps C

Workflow control

developerOrchestration multi agent — stories about orchestration multi agent in this arenaOrchestration multi agent2full9/10X

Give agents long-term memory that persists across sessions and threads C

Memory

developerMemory context — stories about memory context in this arenaMemory context2full8/10X

Require human approval before specific sensitive tool calls execute C

Approval flows

engineering-leadHuman in the loop — stories about human in the loop in this arenaHuman in the loop2fullfree8/10X

Run long-lived agents durably across process restarts and deploys, natively or via durable-execution integrations C

Durable state

engineering-leadState durability — stories about state durability in this arenaState durability2full8/10C

Run my agents entirely on my own infrastructure with no dependence on the vendor's platform C

Deployment

engineering-leadDeployment portability — stories about deployment portability in this arenaDeployment portability2fullfree7/10X

Deploy an agent to a managed runtime and call it as an API endpoint C

Deployment

engineering-leadDeployment portability — stories about deployment portability in this arenaDeployment portability2partial6/10X

Read the product's source under an open license G

ai-native userOpenness — open source, data portability, and self-hosting storiesOpenness2partialfree5/10C

Do everything through the API that I can do in the UI G

ai-native userOpenness — open source, data portability, and self-hosting storiesOpenness2partial4/10T

Have a coding agent scaffold a new agent project from an official CLI or template in one command C

Ai buildability

ai-native userAgents tools — stories about agents tools in this arenaAgents tools2partial4/10T

Run the framework's example agents headlessly from a terminal so an agent can verify what it just built C

Ai buildability

ai-native userAgents tools — stories about agents tools in this arenaAgents tools2partial4/10T

Rely on strict typing and schema validation so a coding agent catches its own mistakes at build time C

Ai buildability

ai-native userAgents tools — stories about agents tools in this arenaAgents tools2partial3/10C

Choose where my data is stored (region/residency) G

ai-native userPrivacy posture — data-handling and privacy storiesPrivacy posture2none0/10

Control data retention and deletion G

ai-native userPrivacy posture — data-handling and privacy storiesPrivacy posture2none0/10

Perform bulk operations across many items at once G

ai-native userAutomation depth — how much of the product can run unattendedAutomation depth2none0/10

Restrict what an agent may do with fine-grained tool permissions and sandboxed execution C

Guardrails

engineering-leadGuardrails safety — stories about guardrails safety in this arenaGuardrails safety2none0/10

Trim, summarize, or filter conversation history to keep an agent inside its context window C

Memory

developerMemory context — stories about memory context in this arenaMemory context2none0/10

Unit-test agents with mocked models and tools C

Testing

developerEvals observability — stories about evals observability in this arenaEvals observability2none0/10

Opt out of telemetry and usage tracking G

ai-native userPrivacy posture — data-handling and privacy storiesPrivacy posture2noneuntestednone yet

Schedule recurring jobs or workflows G

ai-native userAutomation depth — how much of the product can run unattendedAutomation depth2noneuntestednone yet

Score agent quality with built-in evals and run them as part of CI C

Evals

engineering-leadEvals observability — stories about evals observability in this arenaEvals observability2noneuntestednone yet

Version, review, and roll back my automations G

ai-native userAutomation depth — how much of the product can run unattendedAutomation depth1partial5/10C

Opportunities — the stories that would move this product's scores, from its own judged verdictsOpportunitiestop 8 of 35 stories with headroom

What would move LangGraph’s scores — derived from its own judged verdicts, biggest headroom first. Each line quotes what the judge found missing; shipping it (or evidencing it publicly) is the fix.

  1. Agenticness — how well agents can access and operate the productConnect an agent via an official MCP server

    nonemoves agent-readyimpact 45

    Evidence shows LangGraph/LangChain agents can act as MCP clients (via MCPAdapter, discovering and calling tools from external MCP servers), but there is no evidence LangGraph itself exposes an official MCP server that other agents could connect to.

  2. Guardrails safety — stories about guardrails safety in this arenaAttach input/output guardrails that validate, transform, or block unsafe content

    nonemoves PA Scoreimpact 30

    The evidence describes LangGraph's general graph/node architecture, persistence, interrupts, and human-in-the-loop features, but nothing documents a guardrails feature (input/output validation, content moderation, or blocking unsafe content).

  3. Deployment portability — stories about deployment portability in this arenaSwap the underlying LLM provider or model without rewriting my agent

    nonemoves PA Scoreimpact 30

    Missing: any docs on a unified chat-model interface, model-swap examples, or provider abstraction demonstrating no-rewrite portability.

  4. Privacy posture — data-handling and privacy storiesPrevent my data from being used to train AI models

    nonemoves PA Scoreimpact 30

    The evidence pack contains no documentation, policy, or statement about data usage, model training opt-outs, or privacy controls for LangGraph or its hosted offerings (LangSmith, LangGraph Platform).

  5. Streaming output — stories about streaming output in this arenaGet schema-validated structured output from an agent, with automatic retries when validation fails

    nonemoves PA Scoreimpact 30

    The evidence pack covers persistence, streaming, human-in-the-loop, checkpointing, and multi-agent workflows, but contains no mention of structured output, schema validation, or automatic retries on validation failure for LangGraph agents.

  6. Agenticness — how well agents can access and operate the productOperate the product with natural-language commands

    nonemoves Built-in AIimpact 30

    Missing: any documented chat/NL interface, NL-driven graph builder, or NL-based CLI/administration capability.

  7. Agenticness — how well agents can access and operate the productIssue scoped/least-privilege API credentials for an agent

    nonemoves agent-readyimpact 30

    No evidence in the pack addresses issuing scoped or least-privilege API credentials for an agent; LangGraph's docs cover orchestration, persistence, streaming, memory, and deployment but nothing about credential scoping or permission-limited API keys.

  8. Agenticness — how well agents can access and operate the productSubscribe to events via webhooks

    nonemoves agent-readyimpact 30

    Missing: any documentation of a webhook registration/subscription mechanism, delivery guarantees, or event-push API.

Showing the top 8 of 35 — every none/partial verdict in the story verdicts table is headroom.

Think a verdict is wrong? Every verdicts-table row has a Flag link — see the methodology.

Coverage map — which docs area, API section, or community source covers which judged storiesCoverage map6 surfaces · 29 covered stories

Where the cited evidence behind each covered verdict came from — the same citations the verdicts table shows, no extra judging.

Oss docs24 stories

Claims vs evidence — vendor claims reconciled against independent verdictsClaims vs evidence

6 of 10 testable claims verified · 1 contradictedintegrity 40/100

19 distinct capability claims found in LangGraph’s own claimed-docs/GitHub materials, reconciled against our judge’s independent verdicts.

6

Verified

3

Unverified

1

Contradicted

20

Undersold

Verified (11)
Unverified (7)
Contradicted (1)
Undersold (20)
Claims outside our story set (3)

Real capability claims found in LangGraph’s own materials, but no story in this arena’s taxonomy covers them yet — that’s feedback on the taxonomy, not a mark against the product.

  • Offers persistence, streaming, debugging, and deployment support for building agents and workflows

    source ↗
  • Performs basic structural checks on the graph and lets you specify runtime args like checkpointers and breakpoints

    source ↗
  • Installable via pip as a Python package

    source ↗
Suggest a story for these →

Business model

open-sourcefree-tierusage-basedsubscription-per-seatenterprise-custom

LangGraph OSS is MIT-licensed and free; the hosted LangSmith / agent platform adds a free developer tier, then per-seat plans plus usage-based pricing for traces and node executions.

pricing ↗

Score trend

How this product’s scores have moved as evidence and verdicts are re-derived — a point per change, not per day.

PA Score27 (Sep 4 '26)27 (Sep 16 '26)
Agent-ready41 (Sep 4 '26)43 (Sep 16 '26)

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Think a verdict is wrong? Opens a prefilled GitHub issue — or use the ⚑ next to any verdict above.

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For agents

Data

Agent surface uptime llms.txt 100% (30d, checked every 6h since Sep 8 '26)