Category intelligence / ecosystem
AI agent frameworks
Open-source and vendor-backed agent frameworks ranked across a fixed engineering buying corpus—with brand, prompt, engine, and citation-source views.
Evidence catalog
Open category terminal →Live Agent frameworks tables
| Table | Coverage | Confidence | Freshness | Cadence | Updated | Open |
|---|---|---|---|---|---|---|
| AI agent framework rankReviewed agent frameworks ranked by recommendation-prompt presence across three configured model APIs. | 16 | 100% | current | daily | Jul 27, 2026 | View table → |
| AI agent framework presenceReviewed frameworks ranked by presence across every answer in the complete category prompt-and-engine cohort. | 16 | 100% | current | daily | Jul 27, 2026 | View table → |
| AI agent framework citation shareReviewed frameworks ranked by distinct answer-level citations to their canonical domains. | 16 | 100% | current | daily | Jul 27, 2026 | View table → |
| AI agent framework engine breadthReviewed frameworks ranked by the number of configured model APIs on which they appear. | 16 | 100% | current | daily | Jul 27, 2026 | View table → |
| Agent frameworks in OpenAI model API answersFramework presence in the fixed OpenAI configured-model API cohort; not the ChatGPT consumer application. | 16 | 100% | current | daily | Jul 27, 2026 | View table → |
| Agent frameworks in Anthropic model API answersFramework presence in the fixed Anthropic configured-model API cohort; not the Claude consumer application. | 16 | 100% | current | daily | Jul 27, 2026 | View table → |
| Agent frameworks in Gemini model API answersFramework presence in the fixed Gemini configured-model API cohort; not the Gemini consumer application. | 16 | 100% | current | daily | Jul 27, 2026 | View table → |
| Agent-framework buying-prompt leadersThe leading reviewed framework for every neutral buying prompt, with exact cross-engine consensus. | 12 | 100% | current | daily | Jul 27, 2026 | View table → |
| Agent-framework engine disagreementBuying prompts ranked by how differently the configured engines surface the reviewed framework universe. | 12 | 100% | current | daily | Jul 27, 2026 | View table → |
| Most-cited domains for agent-framework buying promptsURL-derived citation hostnames ranked by complete-cohort cited-answer coverage, breadth, and position. | 120 | 100% | current | daily | Jul 27, 2026 | View table → |
Latest
Open full board →Current category leaders
| Rank | Entity | Published value | Movement | Confidence | Signal | Profile |
|---|---|---|---|---|---|---|
| 01 | LangGraph / Deep Agentscompany | 50.0% | — | 100% | — | Evidence → |
| 02 | Microsoft Agent Frameworkcompany | 41.7% | — | 100% | — | Evidence → |
| 03 | CrewAIcompany | 33.3% | — | 100% | — | Evidence → |
| 04 | LlamaIndexcompany | 29.2% | — | 100% | — | Evidence → |
| 05 | OpenAI Agents SDKcompany | 20.8% | — | 100% | — | Evidence → |
| 06 | Pydantic AIcompany | 16.7% | — | 100% | — | Evidence → |
| 07 | Vercel AI SDKcompany | 12.5% | — | 100% | — | Evidence → |
| 08 | Haystackcompany | 12.5% | — | 100% | — | Evidence → |
| 09 | Mastracompany | 8.3% | — | 100% | — | Evidence → |
| 10 | Google Agent Development Kitcompany | 4.2% | — | 100% | — | Evidence → |
| 11 | Claude Agent SDKcompany | 4.2% | — | 100% | — | Evidence → |
| 12 | Strands Agentscompany | 0.0% | — | 100% | — | Evidence → |
| 13 | Agnocompany | 0.0% | — | 100% | — | Evidence → |
| 14 | BeeAI Frameworkcompany | 0.0% | — | 100% | — | Evidence → |
| 15 | DSPycompany | 0.0% | — | 100% | — | Evidence → |
| 16 | Hugging Face smolagentscompany | 0.0% | — | 100% | — | Evidence → |
Corpus ai-agent-frameworks-2026-07-27 / 3 providers
Test your own prompt →Questions shaping this market
| Buyer prompt | Intent | Current leader | Answers | Providers | Citations | Owned citations | Challenge |
|---|---|---|---|---|---|---|---|
| What are the best open-source frameworks for building reliable AI agents in a production application? | recommendation | LangGraph / Deep Agents · 8 | 3 | 3 | 17 | 1 | Run live → |
| Recommend a Python-first agent framework with typed dependencies, structured outputs, tool validation, and testability. | recommendation | Pydantic AI · 17 | 3 | 3 | 18 | 5 | Run live → |
| Which TypeScript toolkit is best for streaming agent interfaces, tool calling, structured data, and multiple model providers? | recommendation | Vercel AI SDK · 8 | 3 | 3 | 16 | 5 | Run live → |
| Recommend a framework for role-based multi-agent teams, explicit handoffs, delegation, and human approval steps. | recommendation | CrewAI · 7 | 3 | 3 | 22 | 4 | Run live → |
| What is the best framework for durable stateful agent graphs with checkpointing, retries, memory, and human-in-the-loop control? | recommendation | LangGraph / Deep Agents · 16 | 3 | 3 | 19 | 4 | Run live → |
| Which enterprise agent framework is strongest for .NET or Java teams that need plugins, governance, telemetry, and orchestration? | recommendation | Microsoft Agent Framework · 9 | 3 | 3 | 17 | 4 | Run live → |
| Recommend a cloud-native agent development framework with managed deployment, identity, security controls, and model flexibility. | recommendation | — | 3 | 3 | 19 | 2 | Run live → |
| Which agent framework is best for retrieval-heavy applications that use documents, data connectors, indexes, and citations? | recommendation | LlamaIndex · 18 | 3 | 3 | 13 | 1 | Run live → |
| How should a team compare AI agent frameworks for abstraction overhead, model portability, lock-in, and debugging complexity? | commercial | CrewAI · 1 | 3 | 3 | 19 | 3 | Run live → |
| Which reliability criteria matter when choosing an agent framework, including state, retries, tracing, and deterministic tests? | commercial | — | 3 | 3 | 17 | 2 | Run live → |
| 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 · 1 | 3 | 3 | 16 | 3 | Run live → |
| How should a company evaluate maintainer commitment, licensing, release stability, and migration risk in an agent framework? | commercial | Microsoft Agent Framework · 1 | 3 | 3 | 9 | 0 | Run live → |
Use the public category as your baseline
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