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AI Agent Framework Rank

Daily visibility of open-source and vendor-backed agent frameworks across a public, neutral engineering buying corpus.

Coverage: 16 entities
Confidence: 100%
Freshness: current
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Watching publication Jul 27, 2026

LEADERBOARD

Current rankings

Metric: Recommendation-prompt presence

Find in tableEntity typeMovementConfidenceEvidence NRank rangeColumnsSort rowsAnswer providerBrand signal

16of 16 rows

AI Agent Framework Rank current rankings
Rank	Entity	Recommendation-prompt presence	Mention coverage	Mention share	Citation share	Engine breadth	OpenAI rec. presence	OpenAI coverage	Confidence	N	Change	Trend	Explain
01	LangGraph / Deep Agentscompany	50.0%	47.22%	24.29%	26.47%	3	25%	25%	100%	24	—	—	Analyze brand Why this rank
02	Microsoft Agent Frameworkcompany	41.7%	33.33%	17.14%	35.29%	3	50%	33.33%	100%	24	—	—	Analyze brand Why this rank
03	CrewAIcompany	33.3%	27.78%	14.29%	0%	3	25%	16.67%	100%	24	—	—	Analyze brand Why this rank
04	LlamaIndexcompany	29.2%	19.44%	10%	0%	3	12.5%	8.33%	100%	24	—	—	Analyze brand Why this rank
05	OpenAI Agents SDKcompany	20.8%	19.44%	10%	8.82%	3	25%	16.67%	100%	24	—	—	Analyze brand Why this rank
06	Pydantic AIcompany	16.7%	16.67%	8.57%	20.59%	3	12.5%	8.33%	100%	24	—	—	Analyze brand Why this rank
07	Vercel AI SDKcompany	12.5%	8.33%	4.29%	2.94%	3	12.5%	8.33%	100%	24	—	—	Analyze brand Why this rank
08	Haystackcompany	12.5%	8.33%	4.29%	0%	3	12.5%	8.33%	100%	24	—	—	Analyze brand Why this rank
09	Mastracompany	8.3%	5.56%	2.86%	0%	2	0%	0%	100%	24	—	—	Analyze brand Why this rank
10	Google Agent Development Kitcompany	4.2%	2.78%	1.43%	2.94%	1	0%	0%	100%	24	—	—	Analyze brand Why this rank
11	Claude Agent SDKcompany	4.2%	2.78%	1.43%	0%	1	0%	0%	100%	24	—	—	Analyze brand Why this rank
12	Strands Agentscompany	0.0%	2.78%	1.43%	2.94%	1	0%	0%	100%	24	—	—	Analyze brand Why this rank
13	Agnocompany	0.0%	0%	0%	0%	0	0%	0%	100%	24	—	—	Analyze brand Why this rank
14	BeeAI Frameworkcompany	0.0%	0%	0%	0%	0	0%	0%	100%	24	—	—	Analyze brand Why this rank
15	DSPycompany	0.0%	0%	0%	0%	0	0%	0%	100%	24	—	—	Analyze brand Why this rank
16	Hugging Face smolagentscompany	0.0%	0%	0%	0%	0	0%	0%	100%	24	—	—	Analyze brand Why this rank

AI Agent Framework Rank current rankings
Rank	Entity	Recommendation-prompt presence	Mention coverage	Mention share	Citation share	Engine breadth	OpenAI rec. presence	OpenAI coverage	Confidence	N	Change	Trend	Explain
01	LangGraph / Deep Agentscompany	50.0%	47.22%	24.29%	26.47%	3	25%	25%	100%	24	—	—	Analyze brand Why this rank
02	Microsoft Agent Frameworkcompany	41.7%	33.33%	17.14%	35.29%	3	50%	33.33%	100%	24	—	—	Analyze brand Why this rank
03	CrewAIcompany	33.3%	27.78%	14.29%	0%	3	25%	16.67%	100%	24	—	—	Analyze brand Why this rank
04	LlamaIndexcompany	29.2%	19.44%	10%	0%	3	12.5%	8.33%	100%	24	—	—	Analyze brand Why this rank
05	OpenAI Agents SDKcompany	20.8%	19.44%	10%	8.82%	3	25%	16.67%	100%	24	—	—	Analyze brand Why this rank
06	Pydantic AIcompany	16.7%	16.67%	8.57%	20.59%	3	12.5%	8.33%	100%	24	—	—	Analyze brand Why this rank
07	Vercel AI SDKcompany	12.5%	8.33%	4.29%	2.94%	3	12.5%	8.33%	100%	24	—	—	Analyze brand Why this rank
08	Haystackcompany	12.5%	8.33%	4.29%	0%	3	12.5%	8.33%	100%	24	—	—	Analyze brand Why this rank
09	Mastracompany	8.3%	5.56%	2.86%	0%	2	0%	0%	100%	24	—	—	Analyze brand Why this rank
10	Google Agent Development Kitcompany	4.2%	2.78%	1.43%	2.94%	1	0%	0%	100%	24	—	—	Analyze brand Why this rank
11	Claude Agent SDKcompany	4.2%	2.78%	1.43%	0%	1	0%	0%	100%	24	—	—	Analyze brand Why this rank
12	Strands Agentscompany	0.0%	2.78%	1.43%	2.94%	1	0%	0%	100%	24	—	—	Analyze brand Why this rank
13	Agnocompany	0.0%	0%	0%	0%	0	0%	0%	100%	24	—	—	Analyze brand Why this rank
14	BeeAI Frameworkcompany	0.0%	0%	0%	0%	0	0%	0%	100%	24	—	—	Analyze brand Why this rank
15	DSPycompany	0.0%	0%	0%	0%	0	0%	0%	100%	24	—	—	Analyze brand Why this rank
16	Hugging Face smolagentscompany	0.0%	0%	0%	0%	0	0%	0%	100%	24	—	—	Analyze brand Why this rank

Primary brandPrompt intentAnswer enginePrompt contains

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Answer presence47.2%17/36 filtered answers mention or cite LangGraph / Deep Agents

Selected-set share53.1%Share of answer-presences among the compared brands, not market share

Owned citation answers99 answer-level URL signals on reviewed owned domains

Engine breadth3/3Engines with at least one observed presence

Filtered competitive answer-presence comparison
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

ANSWER-LEVEL OBSERVATIONS

Prompt × engine matrix

12 prompts · 36 immutable answer hashes · empty cells mean no compared brand was detected.

Brand presence by public prompt and answer engine
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 6 source URLs`41971e85`	LangGraph / Deep AgentsLlamaIndexOpenAI Agents SDK 5 source URLs`718379e1`	LangGraph / Deep Agents · C1OpenAI Agents SDK 6 source URLs`56cc6b52`
02 Recommend a Python-first agent framework with typed dependencies, structured outputs, tool validation, and testability.recommendation	No selected brand 5 source URLs`e47f4bfd`	LangGraph / Deep AgentsLlamaIndexClaude Agent SDK 6 source URLs`42537bd5`	No selected brand 7 source URLs`e32ac3c3`
03 Which TypeScript toolkit is best for streaming agent interfaces, tool calling, structured data, and multiple model providers?recommendation	OpenAI Agents SDK · C2 4 source URLs`ace86461`	LangGraph / Deep Agents · C1LlamaIndex 6 source URLs`88463431`	LangGraph / Deep Agents · C1LlamaIndex 6 source URLs`49bfb393`
04 Recommend a framework for role-based multi-agent teams, explicit handoffs, delegation, and human approval steps.recommendation	No selected brand 6 source URLs`6770ec4f`	LangGraph / Deep Agents 8 source URLs`05ae184b`	No selected brand 8 source URLs`f247d333`
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 5 source URLs`44f53c83`	LangGraph / Deep Agents 7 source URLs`97b82c05`	LangGraph / Deep AgentsOpenAI Agents SDK 7 source URLs`ce14c8ab`
06 Which enterprise agent framework is strongest for .NET or Java teams that need plugins, governance, telemetry, and orchestration?recommendation	No selected brand 3 source URLs`3b9c0292`	No selected brand 7 source URLs`7b94c93b`	No selected brand 7 source URLs`567e3926`
07 Recommend a cloud-native agent development framework with managed deployment, identity, security controls, and model flexibility.recommendation	No selected brand 6 source URLs`2696686b`	No selected brand 5 source URLs`9575b6aa`	No selected brand 8 source URLs`bbda1af4`
08 Which agent framework is best for retrieval-heavy applications that use documents, data connectors, indexes, and citations?recommendation	No selected brand 4 source URLs`b69e6e1f`	LangGraph / Deep Agents · C1LlamaIndex 5 source URLs`f146a2c7`	LangGraph / Deep AgentsLlamaIndex 4 source URLs`774a05c8`
09 How should a team compare AI agent frameworks for abstraction overhead, model portability, lock-in, and debugging complexity?commercial	No selected brand 7 source URLs`44032dc1`	LangGraph / Deep Agents · C1OpenAI Agents SDK 6 source URLs`29dfbcd0`	LangGraph / Deep Agents · C1 6 source URLs`ed9340c2`
10 Which reliability criteria matter when choosing an agent framework, including state, retries, tracing, and deterministic tests?commercial	No selected brand 8 source URLs`b55addca`	OpenAI Agents SDK · C1 9 source URLs`fc970dce`	No selected brand 0 source URLs`ec1a0512`
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 8 source URLs`de64cdd1`	LangGraph / Deep Agents · C1 4 source URLs`40a4a51e`	LangGraph / Deep Agents · C1 4 source URLs`d2ae1873`
12 How should a company evaluate maintainer commitment, licensing, release stability, and migration risk in an agent framework?commercial	No selected brand 5 source URLs`a0f5d33d`	No selected brand 4 source URLs`4c53cdf6`	No selected brand 0 source URLs`efabfbc9`

STRUCTURED CITATION LEDGER

Sources shaping this filtered view

Hostnames are derived from validated public HTTP(S) URLs, not provider-supplied domain labels.

Validated citation sources in filtered answers
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 ↗

PUBLIC-BENCHMARK PRIVACY BOUNDARY

This report contains only code-reviewed public prompts, deterministic brand counts, answer hashes, and validated structured citation URLs. Full model answers are neither stored nor published here. No customer, organization, or private tracked-prompt data is included.

ai-agent-frameworks-2026-07-27 / 4-ai-agent-frameworks-2026-07-27-models-64232fd32583

AI Agent Framework Rank

Current rankings

Brand vs. market

Prompt × engine matrix

Sources shaping this filtered view

Brand vs. market

Prompt × engine matrix

Sources shaping this filtered view