Grammarly or Cohere?
Choose Grammarly when editing, rewriting and communication assistance across apps is the closer match. Choose Cohere when enterprise retrieval, embeddings, reranking and secure assistants matters more. Test both on the same real tasks before moving a production workflow.
Editing, rewriting and communication assistance across apps
Enterprise retrieval, embeddings, reranking and secure assistants
Grammarly
Editing, rewriting and communication assistance across apps
Official specification ↗Cohere
Enterprise retrieval, embeddings, reranking and secure assistants
Official specification ↗Side-by-side comparison
| Category | Grammarly | Cohere |
|---|---|---|
| Provider | Grammarly | Cohere |
| Type | Product · Writing | Product · Enterprise AI |
| Pricing summary | Free and paid individual, business and enterprise plans | Usage-based API and custom enterprise pricing |
| Input price | Product or plan pricing | Product or plan pricing |
| Cached input | Not directly comparable | Not directly comparable |
| Output price | Product or plan pricing | Product or plan pricing |
| Context window | Varies by included model and plan | Varies by included model and plan |
| Maximum output | Varies by included model and surface | Varies by included model and surface |
| Knowledge cutoff | Model-dependent; web access may add current information | Model-dependent; web access may add current information |
| Reasoning | Varies by selected model or mode | Varies by selected model or mode |
| Relative speed | Varies by model, plan and workload | Varies by model, plan and workload |
| Input modalities | See documented product features | See documented product features |
| Output modalities | See documented product features | See documented product features |
| Tools and integrations | Grammar, clarity and tone suggestions; Generative rewriting; Browser and document integrations; Style guides and organization controls | Command language models; Embed and Rerank; Enterprise retrieval workflows; Private deployment and security options |
| API / access | Product surface; see official source for API availability | Product surface; see official source for API availability |
| Best fit | Editing, rewriting and communication assistance across apps | Enterprise retrieval, embeddings, reranking and secure assistants |
| Company | Grammarly | Cohere |
| Product category | Product · Writing | Product · Enterprise AI |
| Current pricing note | Free and paid individual, business and enterprise plans | Usage-based API and custom enterprise pricing |
| Best suited to | Editing, rewriting and communication assistance across apps | Enterprise retrieval, embeddings, reranking and secure assistants |
| Key capabilities | Grammar, clarity and tone suggestions; Generative rewriting; Browser and document integrations; Style guides and organization controls | Command language models; Embed and Rerank; Enterprise retrieval workflows; Private deployment and security options |
| Last verified | 2026-09-02 | 2026-09-02 |
| Official product source | https://www.grammarly.com/plans | https://cohere.com/pricing |
How we reached this verdict
We looked at the things that affect everyday use: what each product can do, how its plans are structured, where it fits into your existing workflow, and what the provider currently documents. Benchmark results are useful context, but they are not a universal winner score because test settings and tools vary.
Common questions
Grammarly or Cohere: which should I choose?
Choose Grammarly for editing, rewriting and communication assistance across apps. Choose Cohere for enterprise retrieval, embeddings, reranking and secure assistants. Validate the decision with your own prompts and total task cost.
Is Grammarly cheaper than Cohere?
Pricing units can differ. Grammarly: Free and paid individual, business and enterprise plans. Cohere: Usage-based API and custom enterprise pricing. Check tool charges, plan limits, caching and long-context rules before comparing totals.
Which is better for coding and agent work?
Capability depends on the selected product surface, tools and harness. Grammarly is positioned for editing, rewriting and communication assistance across apps; Cohere is positioned for enterprise retrieval, embeddings, reranking and secure assistants. Run the same repository task on both.
How do their context windows compare?
Grammarly lists Varies by included model and plan; Cohere lists Varies by included model and plan. A larger limit does not by itself guarantee better retrieval or lower cost.
Official sources
Use these provider pages to confirm current features, pricing and availability.
AI tools change quickly. We checked this page on 2026-09-08. Before you subscribe, confirm the latest price, regional availability and usage limits on the provider website.