LLM Inference: the tools companies use

Infrastructure to run models efficiently (Cloud/Hardware)

227 companies on usedby use at least one of the 11 tools in this category with a public customer. Nebius AI Cloud leads with 48 companies. Then come Baseten (44) and Cerebras (32). 28 companies run two of these tools or more. The most common pair is Fireworks AI with Baseten (5 companies).Latest check Oct 7, 2026: 257 of 273 public lines checked. Counts are of companies on usedby, not of the whole market: we list a company when a public page shows its AI tools.

227

companies on usedby use a tool of this category

Latest check Oct 7, 2026: 257 of 273 public lines checked

Which tool is used most

Companies per tool. A company using two tools counts for both.

Counts include job-post signals, drawn apart on each tool page.

Ranked by customers

Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.

LLM Inference tools ranked by companies on usedby
#	Tool	Customers
1	Nebius AI Cloud	48
2	Baseten	44
3	Cerebras	32
4	Together AI	31
5	Fireworks AI	29
6	Modal	28
7	AWS Bedrock	26
8	CoreWeave	18
9	Groq	8
10	fal	6
11	OpenRouter	3

28 companies run two of these tools or more. The most common pair is Fireworks AI with Baseten, at 5 companies.

Nebius AI Cloud48 customers

Nebius AI Cloud is used by 48 companies on usedby, 35 confirmed by a case study, a named quote or a press release. Named customers include Shopify, Brave, and Antioch. Who uses Nebius AI Cloud, Nebius AI Cloud vs Together AI

Customer page: nebius.com. Latest check of 48 of 48 lines: Oct 7, 2026.

Baseten44 customers

Baseten is used by 44 companies on usedby, 23 confirmed by a case study, a named quote or a press release. Named customers include Hubspot, Wayfair, and ClickUp. Who uses Baseten, Baseten vs Fireworks AI

Customer page: baseten.co. Latest check of 44 of 44 lines: Oct 6, 2026.

Cerebras32 customers

Cerebras is used by 32 companies on usedby, 28 confirmed by a case study, a named quote or a press release. Named customers include Amazon, Meta, and OpenAI. Who uses Cerebras, Cerebras vs Fireworks AI

Customer page: cerebras.ai. Latest check of 32 of 32 lines: Oct 7, 2026.

Together AI31 customers

Together AI is used by 31 companies on usedby, 16 confirmed by a case study, a named quote or a press release. Named customers include OpenAI, Salesforce, and Zoom. Who uses Together AI, Nebius AI Cloud vs Together AI

Customer page: together.ai. Latest check of 28 of 31 lines: Oct 3, 2026.

Newest customers

Companies first listed by a tool of this category in the last 90 days.

No new customer yetTracking of changes on these tools' pages started on October 3, 2026. New customers appear here, dated, after two complete checks of those pages.

Most compared

Side-by-side pages with the companies behind each tool.

Questions about LLM Inference

Answers drawn from usedby data.

What is the most used tool in LLM Inference?

Nebius AI Cloud, used by 48 of the 227 companies on usedby in this category. Then come Baseten (44) and Cerebras (32). Who uses Nebius AI Cloud.

Do more companies use Nebius AI Cloud or Baseten?

Nebius AI Cloud: 48 companies on usedby, against 44 for Baseten. 1 company uses both, counting confirmed and observed lines only.

Do companies use several tools in LLM Inference?

Yes: 28 of the 227 companies on usedby in this category run two or more. The most common pair is Fireworks AI with Baseten (5 companies).

How does usedby rank these tools?

By the number of companies with a public line for each tool, read from dated captures of vendor customer pages, case studies, press releases and job posts. Job-post signals count in the totals and are shown apart. usedby lists a company when a public page shows it, so these counts describe the companies on usedby, not the whole market.