Grok 4.7 vs Perplexity Sonar
Compare Grok 4.7 and Perplexity Sonar side-by-side. See comparisons of price, response speed, accuracy, and file support to choose the best model for your task.
Overview
Grok 4.7 vs Perplexity Sonar Overview
Everything you need to know about these AI models, including capabilities, performance, pricing, and technical details.
xAI / Grok 4.7
proDescription
xAI's newest flagship, built on a larger base than the previous generation and tuned for long, hard tasks. Grok 4.7 is aimed at coding, agentic work, and professional knowledge work, with better self-verification and long-context handling. It reads text and images, searches both the web and X, and its knowledge is among the most recent in the catalog. xAI ships it with an entirely new safeguard stack, its strongest yet on refusals and jailbreak resistance.
Perplexity / Perplexity Sonar
proDescription
Perplexity’s search model is the only one that runs a web search on every single request. Sonar is built to answer questions with citations, not to reason or write code. It formulates the query, retrieves sources, evaluates them, and synthesizes a cited answer in one pass. Fast, cheap, and factual. A specialist rather than a general-purpose model, and it should be judged as one.
About
About
Capabilities
Capabilities
Comparison
Why Use Grok 4.7 and Perplexity Sonar?
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xAI / Grok 4.7
proCoding Built On Hard Tasks
xAI reports wide gains over the previous generation on coding and terminal benchmarks, trained with a longer reinforcement-learning run weighted toward tasks that take hours to finish. Built to plan and act across long agent loops.
Effort Up To Xhigh
Reasoning effort ranges from low to high, with xhigh as the new top level for the hardest work, defaulting to high. xAI trained it to verify its own output before moving on, so it checks its own output as it goes.
Room For Large Repositories
A large context window, unchanged from the previous generation, with improved handling of long inputs. Holds large repositories and long agent histories, though requests above a high threshold are billed at a higher rate.
Documents And Presentations
xAI reports that it is better at creating documents and presentations and stronger in professional knowledge work across law, finance, and analysis. Suited to structured deliverables that have to survive review.
Web Search And X Search
xAI states Grok knows nothing beyond its training data, and provides server-side Web Search and X Search tools. Its knowledge is up to date, and X Search can access posts that no other model can read.
Text And Image Input
xAI lists text and image input, with text output. Send screenshots, diagrams, or scanned pages alongside your prompt. Audio and video are not accepted as inputs to this model.
Perplexity / Perplexity Sonar
proNot Built for Coding
Sonar is a search-to-answer system, not a coding model. It will answer questions about code by finding documentation and discussion, but it is not intended for writing, refactoring, or debugging software.
Retrieval Over Reasoning
Perplexity positions Sonar as lightweight and fast, aimed at straightforward queries rather than multi-step deliberation. Its heavier siblings handle chain-of-thought reasoning. This one is tuned for speed and factual accuracy.
Search Depth You Control
Search context size can be set to low, medium, or high, controlling how much of the web is retrieved before answering. Results can be filtered by domain and by recency, from the past hour to the past year.
Cited Answers Writing
Every response carries inline citations pointing to its sources. That makes it strong for research summaries and fact-checking, and weak for creative or long-form writing, which is not what it was built for.
Live Web Search on Every Request
Sonar has no static knowledge ceiling because it searches before answering, every time. Perplexity reports it outperforms non-grounded models on factual question answering for exactly this reason.
Text and PDFs
Accepts text and PDF files, and can answer questions about a PDF's contents. It does not accept images, audio, or video as input.
Why Aymo
Why chat with Grok 4.7 and Perplexity Sonar on Aymo AI?
Aymo gives you more than access to Grok 4.7 and Perplexity Sonar—it provides a complete multi-model AI workspace designed for productivity.
Compare Responses
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