What is the best llm apis & models tool?

On the current AIRanking leaderboard, OpenAI API leads the LLM APIs & Models category based on editorial ranking score.

How are llm apis & models tools ranked?

Scores mix upvotes, a Bayesian editor rating, recency, and editorial weight. See /methodology for the formula.

LLM APIs & Models

LLM APIs and model hubs let developers call frontier or open-weight models through HTTP endpoints, SDKs, or playgrounds. Compare latency, context windows, fine-tuning options, and per-token pricing when choosing a provider for production workloads.

12 tools in this view

LLM APIs & Models rankings
Rank	Move	Tool	Category	Pricing	Score	Votes
2	—	OpenAI APIDeveloper API for GPT and multimodal models	LLM APIs & Models	Paid	95.5	952
5	—	Anthropic APIClaude models for production applications	LLM APIs & Models	Paid	93.8	749
12	—	Hugging Face HubModel hub, datasets, and inference endpoints	LLM APIs & Models	Freemium	90.1	522
13	—	Google AI StudioGemini prototyping console and API keys	LLM APIs & Models	Freemium	89.2	492
31	—	OpenRouterUnified API routing across many model providers	LLM APIs & Models	Paid	83.6	254
50	—	GroqCloudUltra-low-latency inference for open models	LLM APIs & Models	Freemium	78.9	157
58	—	Mistral AI PlatformEuropean frontier models with open and commercial tiers	LLM APIs & Models	Paid	77.1	140
69	—	Together AIHosted open-weight models and fine-tuning	LLM APIs & Models	Paid	75.3	110
76	—	ReplicateRun open models via simple HTTP endpoints	LLM APIs & Models	Freemium	73.8	97
83	—	Fireworks AIFast fine-tuning and inference for open models	LLM APIs & Models	Paid	72.6	81
111	—	CohereEnterprise LLM platform with RAG tooling	LLM APIs & Models	Paid	69.9	68
115	—	Perplexity APISearch-augmented answers for developers	LLM APIs & Models	Paid	68.8	60

Compare

Anthropic API vs OpenAI API