AI Visibility Index · July 2026

Inference: vLLM, Ollama, OpenRouter lead the AI rankings

How visibly ChatGPT, Claude, Gemini & Grok recommend each inference brand, across 5continuously re-polled “best X” leaderboards. Grades use the same A+–D scale as the brand checker; every ranking links to its full audit trail.

#	Brand	Grade	#1s	Podiums	Boards	Models	Best result
1	vLLM	A+	2	2	3	4/4	#1 · LLM inference server for self-hosting
2	Ollama	A+	1	1	3	4/4	#1 · local LLM runner
3	OpenRouter	A+	1	1	2	4/4	#1 · LLM inference router
4	Fireworks AI	A+	1	1	1	4/4	#1 · serverless LLM inference API
5	NVIDIA NIM	B	—	2	3	4/4	#3 · LLM inference server for self-hosting
6	SGLang	B	—	2	2	4/4	#2 · LLM inference server for self-hosting
7	MLX LM	B	—	1	6	4/4	#3 · local LLM runner
8	LiteLLM	B	—	1	1	4/4	#2 · LLM inference router
9	LM Studio	B	—	1	1	4/4	#2 · local LLM runner
10	Together AI	B	—	1	1	4/4	#2 · serverless LLM inference API
11	Groq	B	—	1	1	4/4	#3 · serverless LLM inference API
12	Not Diamond	B	—	1	1	3/4	#3 · LLM inference router
13	Hugging Face TGI	C	—	—	2	2/4	#6 · LLM inference server for self-hosting
14	DeepInfra	C	—	—	1	4/4	#4 · serverless LLM inference API
15	Portkey	C	—	—	1	3/4	#4 · LLM inference router
16	Amazon Bedrock	D	—	—	1	1/4	#5 · serverless LLM inference API
17	Vercel AI Gateway	C	—	—	1	2/4	#5 · LLM inference router
18	Cerebras	D	—	—	1	1/4	#6 · serverless LLM inference API
19	Llamafile	D	—	—	1	1/4	#6 · local LLM runner
20	LocalAI	D	—	—	1	1/4	#7 · local LLM runner
21	Martian	D	—	—	1	1/4	#7 · LLM inference router
22	Braintrust	D	—	—	1	1/4	#8 · LLM inference router
23	SiliconFlow	D	—	—	1	1/4	#8 · serverless LLM inference API
24	Requesty	D	—	—	1	1/4	#9 · LLM inference router

Method: brands are rolled up by homepage domain and ranked by #1 finishes, podiums, then board coverage across this industry's leaderboards — data updated 2026-07-15. All industries → · Source: modelsagree.com · CC BY 4.0