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Comet vs Pinecone

A feature-by-feature comparison of Comet and Pinecone across 7 capability categories.

First tool

Try Comet (opens in a new tab)

Second tool

Try Pinecone (opens in a new tab)

Modalities — Comet Wins

Modalities: Comet compared with Pinecone
Feature	Comet	Pinecone
Text Input	Yes, requires free plan. The sidecar assistant takes natural-language prompts for search, summaries, and page tasks.	Partial. Assistant and MCP take text queries. Pinecone is a vector DB, not a general chat LLM.
Image Upload / Vision	Unknown. Vision on the current page is plausible for an in-browser agent, but Comet help does not spell out image attach.	No. Vector database, not a vision chat product.
Image Generation	Unknown. Image models exist on Perplexity web for some plans; not documented as a Comet browser feature.	No. Does not generate images.
Voice Mode	Unknown. Launch copy mentioned voice on mobile; the current Comet product page does not document a voice loop.	No. Not a voice assistant.
Video Understanding	Unknown. Perplexity can transcribe attached video on the web app; Comet-specific video understanding is not documented.	No. Not a video product.
Video Generation	No. Not a video generation product.	No. Not a video generation product.
File Upload (PDF, DOCX)	Unknown. File attach is documented for Perplexity search, not as a Comet browser control.	Partial. Ingest documents into indexes for RAG. Not a PDF chat UI.
Code Execution	Unknown. The marketing site shows the assistant building a webpage in the browser; that is not a documented code sandbox.	No. Database and inference APIs, not a code sandbox.
Audio Input	Unknown. Audio-file input is not described in Comet setup or privacy help.	No. Not a speech product.
Canvas / Artifact Editor	Yes, requires free plan. The assistant sits in a sidecar beside the page you are browsing.	No. Database console, not a canvas.
Screen Sharing / Computer Use	Yes, requires free plan. The assistant is documented acting on the live page (forms, shopping, posting) rather than only summarizing.	No. No computer-use product.

Memory & Context — Pinecone Wins

Memory & Context: Comet compared with Pinecone
Feature	Comet	Pinecone
Persistent Memory	Unknown. Max “Brain” memory is documented for Perplexity Computer, not as a Comet default.	Yes, requires plus plan. Vector indexes persist embeddings for retrieval — core product.
Large Context Window	Unknown. No token window is published for the Comet assistant.	No. Retrieval layer, not an LLM context window.
Custom Instructions	Unknown. A global assistant-instruction setting was not found in Comet help.	Partial. Assistant system prompts. Not a global user profile.
Conversation History	Partial. Comet is a full browser with history (cleared in Incognito). Assistant thread history across devices is not documented.	Partial. Assistant sessions may retain history. API is index-oriented.

Integrations — Tie

Integrations: Comet compared with Pinecone
Feature	Comet	Pinecone
Web Search / Browsing	Yes, requires free plan. Comet is built around Perplexity’s answer engine in the address bar and assistant.	No. Retrieves from your index, not the open web.
Plugins / Extensions	Yes, requires free plan. Chromium extensions are supported; Incognito disables them unless you turn them back on.	Yes, requires plus plan. MCP server, integrations, and rerank models.
API Access	No. Comet is a browser. Programmatic access is the separate Perplexity API, not a Comet REST product.	Yes, requires plus plan. REST/gRPC index and inference APIs.
Zapier Integration	Unknown. No first-party Comet Zapier app was checked.	Unknown. Zapier integration was not checked this round.
Custom GPTs / Bots	Partial. Email Assistant and Background Assistants are Max-tier agents, not a public custom-GPT store.	Partial. Pinecone Assistant is a RAG bot over your data.
Real-time Collaboration	Unknown. Shared multiplayer browsing sessions are not documented.	No. Shared org access, not multiplayer editing.
Live Social Data Integration	No. Not a live social-firehose product; it can browse social sites like any browser.	No. No social firehose.
Live Citation Mapping	Partial. Comet uses Perplexity’s answer engine, which cites sources on perplexity.ai; Comet help does not separately document citation UI in the sidecar.	Partial. Assistant highlights citation spans in retrieved chunks.

Developer — Tie

Developer: Comet compared with Pinecone
Feature	Comet	Pinecone
Function Calling	Yes, requires free plan. The assistant is documented taking multi-step actions (shop, email, fill forms) rather than only answering.	No. Not an LLM with tools. Assistant may delegate to your stack.
Streaming Responses	Unknown. Token streaming in the sidecar is not called out in Comet help.	Partial. Assistant may stream answers. Index upserts are batch/API.
Fine-Tuning	No. Comet runs hosted Perplexity/partner models; there is no custom-weight training product.	No. Does not train foundation models.
Embeddings API	No. Not an embeddings API product.	Yes, requires plus plan. Hosted embedding and rerank models are a core SKU.
Structured Output (JSON)	Unknown. JSON-schema guarantees are not documented for the Comet assistant.	No. Returns vectors and metadata, not LLM JSON mode.
Reasoning / Thinking Mode	Partial. Max Assistant on Comet is documented as a slower, routed reasoning mode for Max subscribers, not a free Deep Think toggle.	No. Not a reasoning LLM product.
Local Execution	No. The browser runs locally; model inference stays on Perplexity’s cloud.	No. Managed cloud vector DB.
Open Weights	No. Comet is not an open-weights model release.	No. Hosts embedding models; the platform is not an open-weight release.
Multi-Agent Orchestration	Partial. Background Assistants (Max) run tasks asynchronously; that is not a general multi-agent SDK.	No. You orchestrate agents in your app.

Platforms — Comet Wins

Platforms: Comet compared with Pinecone
Feature	Comet	Pinecone
Web App	No. You download Comet. The marketing site is not a browser-in-the-browser web app.	Yes, requires free plan. pinecone.io console for indexes and Assistant.
iOS App	Yes, requires free plan. Perplexity launched a Comet iOS app; the product page lists iOS.	No. No iOS app.
Android App	Yes, requires free plan. The product page lists Android alongside desktop.	No. No Android app.
Desktop App	Yes, requires free plan. Standalone Mac and Windows browser; setup help covers install and default-browser.	No. Web console only.
Chrome Extension	No. Comet is not distributed as a Chrome Web Store extension.	No. No Chrome extension.

Privacy — Pinecone Wins

Privacy: Comet compared with Pinecone
Feature	Comet	Pinecone
GDPR Compliant	Unknown. Needs a read of Perplexity’s current DPA before we assert GDPR for Comet.	Unknown. Enterprise compliance docs were not re-read.
Opt Out of Data Training	Unknown. Training opt-out is not documented on the Comet privacy-and-safety article we checked.	Partial. Your vectors stay in your index. Training policy on hosted models was not checked.
Enterprise Privacy Mode	Partial. Comet supports Chrome-like MDM policies (extensions, cookies, data clearing). That is not a published ZDR/SSO suite.	Yes, requires enterprise plan. SOC 2, private networking, and enterprise plans.

Workspaces — Pinecone Wins

Workspaces: Comet compared with Pinecone
Feature	Comet	Pinecone
Projects / Folders	Unknown. Browser profiles exist; Perplexity Spaces inside Comet were not confirmed.	Yes, requires plus plan. Projects organize indexes and Assistant apps.