Ranks reviewed Agent Frameworks brands by their share of answer-level citations to reviewed brand domains.
| Rank | Entity | Signal | Citation share | Mention coverage | Mention share | Citation share | Engine breadth | OpenAI rec. presence | OpenAI coverage | Confidence | N | Change | Trend | Explain | Compare |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01 | Microsoft Agent Frameworkcompany | 35.3% | 33.33% | 17.14% | 35.29% | 3 | 50% | 33.33% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 02 | LangGraph / Deep Agentscompany | 26.5% | 47.22% | 24.29% | 26.47% | 3 | 25% | 25% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 03 | Pydantic AIcompany | 20.6% | 16.67% | 8.57% | 20.59% | 3 | 12.5% | 8.33% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 04 | OpenAI Agents SDKcompany | 8.8% | 19.44% | 10% | 8.82% | 3 | 25% | 16.67% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 05 | Vercel AI SDKcompany | 2.9% | 8.33% | 4.29% | 2.94% | 3 | 12.5% | 8.33% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 06 | Google Agent Development Kitcompany | 2.9% | 2.78% | 1.43% | 2.94% | 1 | 0% | 0% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 07 | Strands Agentscompany | 2.9% | 2.78% | 1.43% | 2.94% | 1 | 0% | 0% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 08 | CrewAIcompany | 0.0% | 27.78% | 14.29% | 0% | 3 | 25% | 16.67% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 09 | LlamaIndexcompany | 0.0% | 19.44% | 10% | 0% | 3 | 12.5% | 8.33% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 10 | Haystackcompany | 0.0% | 8.33% | 4.29% | 0% | 3 | 12.5% | 8.33% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 11 | Mastracompany | 0.0% | 5.56% | 2.86% | 0% | 2 | 0% | 0% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 12 | Claude Agent SDKcompany | 0.0% | 2.78% | 1.43% | 0% | 1 | 0% | 0% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 13 | Agnocompany | 0.0% | 0% | 0% | 0% | 0 | 0% | 0% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 14 | BeeAI Frameworkcompany | 0.0% | 0% | 0% | 0% | 0 | 0% | 0% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 15 | DSPycompany | 0.0% | 0% | 0% | 0% | 0 | 0% | 0% | 100% | 34 | — | — | Analyze brandWhy this rank | ||
| 16 | Hugging Face smolagentscompany | 0.0% | 0% | 0% | 0% | 0 | 0% | 0% | 100% | 34 | — | — | Analyze brandWhy this rank |
Compare one brand with up to three competitors across the exact public prompt × engine matrix behind this leaderboard.
| Brand | Presence | Vs. primary | Selected share | Mentions | Cited answers | Owned URL signals | Engine breadth |
|---|---|---|---|---|---|---|---|
| LangGraph / Deep Agentslangchain.com | 47.2%17/36 | BASE | 53.1% | 36 | 9 | 9 | 3/3 |
| OpenAI Agents SDKopenai.com | 19.4%7/36 | -27.8 pp | 21.9% | 7 | 2 | 3 | 3/3 |
| LlamaIndexllamaindex.ai | 19.4%7/36 | -27.8 pp | 21.9% | 24 | 0 | 0 | 3/3 |
| Claude Agent SDKanthropic.com | 2.8%1/36 | -44.4 pp | 3.1% | 1 | 0 | 0 | 1/3 |
12 prompts · 36 immutable answer hashes · empty cells mean no compared brand was detected.
| Public prompt | OpenAIopenai/gpt-4o-mini | Anthropicanthropic/claude-haiku-4-5 | Geminigoogle/gemini-2.5-flash |
|---|---|---|---|
| 01 What are the best open-source frameworks for building reliable AI agents in a production application?recommendation | LangGraph / Deep AgentsLlamaIndexOpenAI Agents SDK | LangGraph / Deep AgentsLlamaIndexOpenAI Agents SDK | LangGraph / Deep Agents · C1OpenAI Agents SDK |
| 02 Recommend a Python-first agent framework with typed dependencies, structured outputs, tool validation, and testability.recommendation | No selected brand | LangGraph / Deep AgentsLlamaIndexClaude Agent SDK | No selected brand |
| 03 Which TypeScript toolkit is best for streaming agent interfaces, tool calling, structured data, and multiple model providers?recommendation | OpenAI Agents SDK · C2 | LangGraph / Deep Agents · C1LlamaIndex | LangGraph / Deep Agents · C1LlamaIndex |
| 04 Recommend a framework for role-based multi-agent teams, explicit handoffs, delegation, and human approval steps.recommendation | No selected brand | LangGraph / Deep Agents | No selected brand |
| 05 What is the best framework for durable stateful agent graphs with checkpointing, retries, memory, and human-in-the-loop control?recommendation | LangGraph / Deep Agents | LangGraph / Deep Agents | LangGraph / Deep AgentsOpenAI Agents SDK |
| 06 Which enterprise agent framework is strongest for .NET or Java teams that need plugins, governance, telemetry, and orchestration?recommendation | No selected brand | No selected brand | No selected brand |
| 07 Recommend a cloud-native agent development framework with managed deployment, identity, security controls, and model flexibility.recommendation | No selected brand | No selected brand | No selected brand |
| 08 Which agent framework is best for retrieval-heavy applications that use documents, data connectors, indexes, and citations?recommendation | No selected brand | LangGraph / Deep Agents · C1LlamaIndex | LangGraph / Deep AgentsLlamaIndex |
| 09 How should a team compare AI agent frameworks for abstraction overhead, model portability, lock-in, and debugging complexity?commercial | No selected brand | LangGraph / Deep Agents · C1OpenAI Agents SDK | LangGraph / Deep Agents · C1 |
| 10 Which reliability criteria matter when choosing an agent framework, including state, retries, tracing, and deterministic tests?commercial | No selected brand | OpenAI Agents SDK · C1 | No selected brand |
| 11 When should an engineering team adopt an agent framework instead of building a tool-calling loop directly on a model API?commercial | LangGraph / Deep Agents · C1 | LangGraph / Deep Agents · C1 | LangGraph / Deep Agents · C1 |
| 12 How should a company evaluate maintainer commitment, licensing, release stability, and migration risk in an agent framework?commercial | No selected brand | No selected brand | No selected brand |
Hostnames are derived from validated public HTTP(S) URLs, not provider-supplied domain labels.
| Source hostname | Cited answers | Distinct URLs | Engine breadth | Best position | Evidence |
|---|---|---|---|---|---|
| youtube.com | 11 | 10 | 3 | #1 | Open source ↗ |
| reddit.com | 10 | 12 | 3 | #1 | Open source ↗ |
| learn.microsoft.com | 8 | 6 | 3 | #1 | Open source ↗ |
| langchain.com | 8 | 5 | 3 | #1 | Open source ↗ |
| medium.com | 7 | 7 | 3 | #2 | Open source ↗ |
| github.com | 7 | 6 | 3 | #4 | Open source ↗ |
| pydantic.dev | 3 | 6 | 2 | #1 | Open source ↗ |
| arxiv.org | 3 | 3 | 2 | #2 | Open source ↗ |
| linkedin.com | 3 | 3 | 3 | #4 | Open source ↗ |
| braintrust.dev | 3 | 2 | 2 | #3 | Open source ↗ |
| langfuse.com | 3 | 1 | 2 | #3 | Open source ↗ |
| cloudsecurityalliance.org | 3 | 1 | 3 | #4 | Open source ↗ |
| developers.openai.com | 2 | 2 | 2 | #1 | Open source ↗ |
| galileo.ai | 2 | 2 | 1 | #1 | Open source ↗ |
| machinelearningmastery.com | 2 | 2 | 2 | #1 | Open source ↗ |
| rasa.com | 2 | 2 | 2 | #1 | Open source ↗ |
| arize.com | 2 | 2 | 2 | #2 | Open source ↗ |
| zenml.io | 2 | 2 | 2 | #2 | Open source ↗ |
| developersdigest.tech | 2 | 2 | 2 | #3 | Open source ↗ |
| aembit.io | 2 | 1 | 2 | #1 | Open source ↗ |