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Subcategory · AI Citation Index

LLM Platforms

LLM platforms is a contested category with three consensus picks splitting discovery share almost evenly. Hugging Face (both the huggingface.co domain and the Llama model hub) captures nearly half of AI search attention across all five engines; Databricks follows closely at 30% with consistent visibility on every engine. Anthropic and Claude dominate head-to-head comparisons, winning more matchups than they lose, while GuardRails surfaces in the most comparison queries but loses the majority. The category is fragmented — no single brand owns the majority of AI attention, and buyers encounter a rotating cast depending on which engine they query.

187 discovery queries · 281 head-to-heads · refreshed Aug 16, 2026

Discovery stage

The shortlist

Across 187 buyer-style "LLM Platforms" queries

Hugging Face owns the largest share of AI discovery attention, surfacing in 48% of buyer queries about LLM platforms across all five engines we track. Databricks trails at 30%, also visible on every engine. Anthropic and Claude together capture more than 60% of discovery prompts, but the overlap suggests AI engines treat them as interchangeable references to the same offering. LangChain and Weaviate surface in roughly half of discovery queries, each appearing on four of the five engines.

26%36%47%58%69%Coverage — share of discovery prompts where the brand surfaces68%73%78%83%89%Engine diversity

Hover or click a logo to see brand details

X = coverage across discovery prompts · Y = engine diversity · Bubble size = total mentions
Tracked acrossChatGPT,Gemini,Claude

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Signal by intent

By topic

Top 5 most-cited brands per intent cluster. Brands with zero citations in a topic are not shown.

1GuardRails
10/11
2Weaviate
9/11
3LangChain
9/11
4LlamaIndex
9/11
5Microsoft
9/11
1Jasper
7/8
2Writer
6/8
3Copy
6/8
4Claude
5/8
5GuardRails
5/8
1GuardRails
5/8
2Anthropic
4/8
3LangChain
4/8
4LlamaIndex
4/8
5Conversion
3/8
1Azure OpenAI Service
7/7
2Anthropic
7/7
3Claude
7/7
4Llama
7/7
5LangSmith
7/7
1Hugging Face
7/7
2Llama
7/7
3Microsoft
5/7
4Databricks
5/7
5Stacks
4/7
1Anthropic
6/6
2Hugging Face
6/6
3Llama
6/6
4Claude
5/6
5LangChain
5/6
1Conversion
6/6
2Jasper
5/6
3Copy
5/6
4Claude
5/6
5Adobe
4/6
1Jasper
5/5
2Copy
5/5
3Writer
5/5
4Anyword
5/5
5Conversion
5/5
≥50% cited
25–49%
<25%
Topics are discovery-stage prompt clusters · llm-platforms

Evaluation stage

Head-to-head

How often AI cites each brand across uniform category evaluation prompts · median 5/100

When buyers ask AI to compare LLM platforms head-to-head, Anthropic wins the most matchups, scoring 52 out of 100 across 34 comparison queries. Claude follows at 48 out of 100 across 31 comparisons. GuardRails appears in 28 head-to-heads but scores only 43, losing more often than it wins. LangChain and Llama tie at 38, each fielding about 25 comparison queries. Cohere, LlamaIndex, and Weaviate cluster in the mid-30s — winning some head-to-heads but losing more than half.

0255075100Evaluation citation rate — % of category evaluation prompts citing this brand09172634Evaluation prompts cited inmedian citation ratemedian exposure

Hover or click a logo to see brand details

X = evaluation citation rate · Y = evaluation prompts cited in · Bubble size = citation exposure
Median citation rate 5/100

Each brand's score is the share of category evaluation prompts where AI cited them across all four engines — the same prompt pool for every brand. Brands above the median citation rate have stronger presence in evaluation-stage queries.

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