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Vector databases · November 2026 Edition

Pinecone vs Weaviate

Five of fourteen models named Pinecone first on the direct prompt; one named Weaviate. Both were named by all fourteen models and Pinecone carries 65 labels and Weaviate 60, so the shares are not directly comparable.

Pinecone

accepted challenger

Named in one category this edition.

Weaviate

accepted challenger

Named in one category this edition.

First-choice share21%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate23%12%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 11; printed, not drawn.
Labels6560A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Pinecone reading right to left. Rank and label count are printed, not drawn.Qdrant was named alongside these two in fourteen of the fourteen direct answers. Qdrant vs Pinecone · Qdrant vs Weaviate · pgvector vs Pinecone

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the vector databases page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
PineconeFirst choices, of fourteen modelsWeaviate
Direct51
Paraphrase621 against Pinecone
Comparative51
Budget-constrained006 against Pinecone · 4 against Weaviate
Scale-constrained101 against Pinecone
Negative007 against Pinecone · 3 against Weaviate
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, Pinecone and Weaviate were named in the same answer 173 times, of the 219 answers naming Pinecone and the 183 naming Weaviate. In those answers Weaviate took the first choice ten times and Pinecone fifty-eight.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Pinecone and Weaviate stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Pinecone Weaviate first choice named as an alternative argued againstblank: not namedEach cell is one answer, Pinecone on the left and Weaviate on the right.

The direct prompt

The plain question, one answer per model, grouped by where Pinecone and Weaviate stood in it.

Pinecone first, Weaviate an alternative

5 of 14 modelsWeaviate was named in the answer but not as the choice, or not at all.
GPT-5.4 miniPinecone alternatives: Qdrant, Weaviate, pgvector
Gemini 3.5 FlashPinecone, Qdrant alternatives: Weaviate, pgvector
Mistral SmallPinecone alternatives: Qdrant, Weaviate, pgvector
GLM 4.7 FlashXPinecone alternatives: Milvus, Qdrant, Weaviate
Muse Glimmer 30BPinecone, pgvector alternatives: Milvus, Qdrant, Weaviate

Weaviate first, Pinecone an alternative

1 of 14 modelsPinecone was named in the answer but not as the choice, or not at all.
MiniMax M2.5Qdrant, Weaviate alternatives: Milvus, Pinecone, pgvector

Neither was the first choice, one was named

8 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Qdrant alternatives: MongoDB Atlas Vector Search, Pinecone, Weaviate, pgvector
Perplexity Sonarpgvector alternatives: Pinecone, Qdrant
Grok 4.20Qdrant alternatives: Pinecone, Weaviate, pgvector
DeepSeek V4 Flashpgvector alternatives: Pinecone, Qdrant
Llama 4 MaverickQdrant alternatives: Pinecone, Weaviate, pgvector
Qwen 3.7 Flashpgvector alternatives: Pinecone, Qdrant
Kimi K2pgvector alternatives: Pinecone, Qdrant
GPT-6 LunaQdrant alternatives: Pinecone, pgvector

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Pinecone leads by fourteen points.
Pinecone19%#3 of 9
Weaviate4%#4 of 9
The full small business standing →
Mid-marketThe figures above
Pinecone leads by sixteen points.
Pinecone21%#3 of 11
Weaviate5%#4 of 11
The full mid-market standing →
Enterprise
Pinecone leads by thirty-three points.
Pinecone45%#1 of 13
Weaviate13%#3 of 13
The full enterprise standing →

What the models said about Pinecone

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Avoid for a limited budget: Pinecone — managed services with $50 minimums and costs that blow past initial estimates” DeepSeek V4 Flash · budget prompt · hard negative
“What to Avoid on a Tight Budget - Managed services like Pinecone (starts at ~$70/month for basics” Grok 4.20 · budget prompt · hard negative
“What to Avoid on a Budget - Pinecone — Excellent product but starts at ~$70/month” MiniMax M2.5 · budget prompt · hard negative
“The most widely adopted vector database in the mid-market, with a 57% adoption rate... If you want the most popular and easiest managed solution, choose Pinecone.” Mistral Small · direct prompt · first choice
“### 1. Pinecone (Best for Simplicity) ... Choose Pinecone if you prioritize operational simplicity and have modest data volumes” Claude Haiku 4.5 · paraphrase prompt · first choice
“Fully managed, zero ops overhead, serverless architecture | Rapid prototyping to production for teams wanting no infra management.” Gemini 3.5 Flash · scale prompt · first choice

What the models said about Weaviate

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“What to Avoid on a Budget ... Weaviate — More complex to set up and resource-intensive” MiniMax M2.5 · budget prompt · hard negative
“Managed Weaviate — $25–45/month minimums plus hidden infrastructure costs” DeepSeek V4 Flash · budget prompt · hard negative
“Running a dedicated service (like Weaviate, Pinecone, or Qdrant) alongside your primary database increases infrastructure costs” Qwen 3.7 Flash · negative prompt · soft negative
“Most teams should evaluate Qdrant (for performance and flexibility) or Weaviate (for AI-native features) as their primary options” GLM 4.7 FlashX · comparative prompt · first choice
“For most mid-market B2B companies, Weaviate or Qdrant offer the best balance of cost, performance, and flexibility” MiniMax M2.5 · direct prompt · first choice
“we often recommend starting with a specialized open-source solution like Weaviate (using their cloud tier)” Qwen 3.7 Flash · paraphrase prompt · first choice
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.