Comet vs Groq
A feature-by-feature comparison of Comet and Groq across 7 capability categories.
Modalities — Tie
| Feature | Comet | Groq |
|---|---|---|
Text Input | Yes, requires free plan. The sidecar assistant takes natural-language prompts for search, summaries, and page tasks. | Yes, requires free plan. Chat completions API and Playground take text messages. |
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. | Unknown. Vision on hosted models was not confirmed on the quickstart page. |
Image Generation | Unknown. Image models exist on Perplexity web for some plans; not documented as a Comet browser feature. | No. Inference API for language/audio, not an image generator. |
Voice Mode | Unknown. Launch copy mentioned voice on mobile; the current Comet product page does not document a voice loop. | No. Speech-to-text exists. That is transcription, not a conversational voice loop. |
Video Understanding | Unknown. Perplexity can transcribe attached video on the web app; Comet-specific video understanding is not documented. | No. Not a video-analysis product. STT can take video files but only transcribes the first audio track. |
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. | No. Chat is messages. Audio files go to the STT endpoint, not a PDF chat uploader. |
Code Execution | Unknown. The marketing site shows the assistant building a webpage in the browser; that is not a documented code sandbox. | Yes, requires free plan. Built-in tools on Compound / gpt-oss include safe code execution on Groq infrastructure. |
Audio Input | Unknown. Audio-file input is not described in Comet setup or privacy help. | Yes, requires plus plan. OpenAI-compatible transcriptions/translations. Whisper Large V3 and Turbo. Free-tier 25 MB files. |
Canvas / Artifact Editor | Yes, requires free plan. The assistant sits in a sidecar beside the page you are browsing. | No. Playground is a chat/API console, not an artifacts 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 — Groq Wins
| Feature | Comet | Groq |
|---|---|---|
Persistent Memory | Unknown. Max “Brain” memory is documented for Perplexity Computer, not as a Comet default. | No. Stateless API. You keep history in your app. |
Large Context Window | Unknown. No token window is published for the Comet assistant. | Unknown. Depends on the hosted model. No single Groq window is on the quickstart page. |
Custom Instructions | Unknown. A global assistant-instruction setting was not found in Comet help. | Yes, requires free plan. System messages in the chat API. |
Conversation History | Partial. Comet is a full browser with history (cleared in Incognito). Assistant thread history across devices is not documented. | Partial. Playground sessions exist. The API is stateless unless you resend messages. |
Integrations — Groq Wins
| Feature | Comet | Groq |
|---|---|---|
Web Search / Browsing | Yes, requires free plan. Comet is built around Perplexity’s answer engine in the address bar and assistant. | Yes, requires free plan. Built-in tools include web search and website visiting on Compound / gpt-oss. |
Plugins / Extensions | Yes, requires free plan. Chromium extensions are supported; Incognito disables them unless you turn them back on. | Yes, requires free plan. Remote MCP tool calling, plus Python/JS SDKs and AI SDK provider. |
API Access | No. Comet is a browser. Programmatic access is the separate Perplexity API, not a Comet REST product. | Yes, requires free plan. api.groq.com OpenAI-compatible chat and audio. Create a key on console.groq.com. |
Zapier Integration | Unknown. No first-party Comet Zapier app was checked. | Unknown. No first-party Zapier app was checked. |
Custom GPTs / Bots | Partial. Email Assistant and Background Assistants are Max-tier agents, not a public custom-GPT store. | No. No GPT Store. You build agents on the API. |
Real-time Collaboration | Unknown. Shared multiplayer browsing sessions are not documented. | No. No multiplayer chat. |
Live Social Data Integration | No. Not a live social-firehose product; it can browse social sites like any browser. | No. No live 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. | No. Built-in web search is not a cited academic mapper. |
Developer — Groq Wins
| Feature | Comet | Groq |
|---|---|---|
Function Calling | Yes, requires free plan. The assistant is documented taking multi-step actions (shop, email, fill forms) rather than only answering. | Yes, requires free plan. Tool use on all hosted chat models: local functions, remote MCP, or Groq built-in tools. |
Streaming Responses | Unknown. Token streaming in the sidecar is not called out in Comet help. | Yes, requires free plan. Chat completions support streaming. Groq’s pitch is low-latency tokens. |
Fine-Tuning | No. Comet runs hosted Perplexity/partner models; there is no custom-weight training product. | No. You pick hosted models. Groq is inference, not a fine-tune product. |
Embeddings API | No. Not an embeddings API product. | Unknown. An embeddings endpoint was not on the quickstart page checked. |
Structured Output (JSON) | Unknown. JSON-schema guarantees are not documented for the Comet assistant. | Yes, requires free plan. JSON mode is listed for the hosted chat models. |
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. | Unknown. Overlapping columns disagreed (yes vs partial); left unverified rather than copying a no. |
Local Execution | No. The browser runs locally; model inference stays on Perplexity’s cloud. | No. Runs on Groq LPUs in their cloud, not on your GPU. |
Open Weights | No. Comet is not an open-weights model release. | Partial. Hosts open models (Llama, gpt-oss, Qwen). Groq’s runtime/hardware is not open weights. |
Multi-Agent Orchestration | Partial. Background Assistants (Max) run tasks asynchronously; that is not a general multi-agent SDK. | Partial. Compound/built-in tools are a single-call agent loop, not a multi-agent orchestrator product. |
Platforms — Comet Wins
| Feature | Comet | Groq |
|---|---|---|
Web App | No. You download Comet. The marketing site is not a browser-in-the-browser web app. | Yes, requires free plan. Playground on console.groq.com. |
iOS App | Yes, requires free plan. Perplexity launched a Comet iOS app; the product page lists iOS. | No. No iOS app is documented. |
Android App | Yes, requires free plan. The product page lists Android alongside desktop. | No. No Android app is documented. |
Desktop App | Yes, requires free plan. Standalone Mac and Windows browser; setup help covers install and default-browser. | No. API + Playground, not a desktop app. |
Chrome Extension | No. Comet is not distributed as a Chrome Web Store extension. | No. No Chrome extension is documented. |
Privacy — Tie
| Feature | Comet | Groq |
|---|---|---|
GDPR Compliant | Unknown. Needs a read of Perplexity’s current DPA before we assert GDPR for Comet. | Unknown. Needs a current Groq DPA read. |
Opt Out of Data Training | Unknown. Training opt-out is not documented on the Comet privacy-and-safety article we checked. | Unknown. Training use of API prompts was not checked on a privacy policy this round. |
Enterprise Privacy Mode | Partial. Comet supports Chrome-like MDM policies (extensions, cookies, data clearing). That is not a published ZDR/SSO suite. | Unknown. Enterprise contracts exist in market; specifics were not on the public pricing page fetched. |
Workspaces — Tie
| Feature | Comet | Groq |
|---|---|---|
Projects / Folders | Unknown. Browser profiles exist; Perplexity Spaces inside Comet were not confirmed. | No. No project/folder product in the API. |