🧠 AI Models & APIs

Foundation models, LLM APIs, model hosting, fine-tuning, and AI infrastructure

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48 tools found

Anyscale logo

Anyscale

Run Llama and open models at scale

AI Models & APIsFree tier
4.9 (27)
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Cohere logo

Cohere

Enterprise AI models for search and generation

AI Models & APIsFree tier
4.9 (278)
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Qdrant logo

Qdrant

Vector database for semantic search and AI applications

AI Models & APIsFree tier
4.9 (240)
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Mistral AI logo

Mistral AI

Frontier open-weight AI models from Europe

AI Models & APIsFree tier
4.9 (452)
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xAI Grok logo

xAI Grok

Elon Musk's real-time AI with web access

AI Models & APIsFree tier
4.9 (32)
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AI21 Labs logo

AI21 Labs

Enterprise NLP models and task-specific AI

AI Models & APIsFree tier
4.8 (544)
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Guardrails AI logo

Guardrails AI

Validate and control LLM outputs with structured guardrails

AI Models & APIsFree
4.8 (401)
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ChatGPT logo

ChatGPT

The world's most popular AI assistant

AI Models & APIsFree tier
4.8 (154)
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Groq logo

Groq

The fastest LLM inference in the world

AI Models & APIsFree tier
4.8 (689)
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Vellum logo

Vellum

LLM app development platform

AI Models & APIsFree tier
4.8 (237)
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Langfuse logo

Langfuse

Open-source LLM observability and evaluation

AI Models & APIsFree tier
4.8 (162)
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Azure OpenAI Service logo

Azure OpenAI Service

OpenAI models with Microsoft enterprise security

AI Models & APIsFree tier
4.7 (211)
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Weights & Biases logo

Weights & Biases

MLOps platform for AI model development

AI Models & APIsFree tier
4.7 (43)
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Microsoft Copilot logo

Microsoft Copilot

Microsoft's AI assistant with web search

AI Models & APIsFree
4.7 (442)
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Instructor logo

Instructor

Structured outputs from language models using Python type hints

AI Models & APIsFree
4.7 (202)
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Weaviate logo

Weaviate

Open-source vector database for AI applications

AI Models & APIsFree tier
4.6 (110)
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Lamini logo

Lamini

Fine-tune LLMs on your data, guaranteed accurate

AI Models & APIsFree tier
4.6 (549)
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Google Gemini logo

Google Gemini

Google's AI assistant powered by Gemini models

AI Models & APIsFree tier
4.6 (372)
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Google Vertex AI logo

Google Vertex AI

Google's unified ML and AI platform

AI Models & APIsFree tier
4.5 (505)
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Amazon Bedrock logo

Amazon Bedrock

All frontier AI models via one AWS API

AI Models & APIsFree tier
4.5 (142)
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Claude logo

Claude

The most thoughtful AI assistant

AI Models & APIsFree tier
4.5 (169)
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OctoAI logo

OctoAI

Efficient AI model serving at scale

AI Models & APIsFree tier
4.5 (367)
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LangSmith logo

LangSmith

LLM ops and observability platform

AI Models & APIsFree tier
4.4 (49)
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OpenAI API logo

OpenAI API

GPT-4o and the world's most used AI API

AI Models & APIsFree tier
4.3 (548)
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DeepInfra logo

DeepInfra

Run open AI models via simple API

AI Models & APIsFree tier
4.3 (428)
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Perplexity API logo

Perplexity API

Online LLMs with web search built-in

AI Models & APIsFree tier
4.2 (419)
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Portkey logo

Portkey

AI gateway for production LLM apps

AI Models & APIsFree tier
4.2 (277)
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Anthropic API logo

Anthropic API

Claude — the most capable and safest AI models

AI Models & APIsFree tier
4.2 (174)
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Pinecone logo

Pinecone

Managed vector database for AI search and recommendations

AI Models & APIsFree tier
4.1 (238)
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LlamaIndex logo

LlamaIndex

Connect LLMs to your data sources with production-grade indexing

AI Models & APIsFree tier
4.0 (219)
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OpenRouter logo

OpenRouter

One API for every AI model

AI Models & APIsFree tier
4.0 (812)
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DSPy logo

DSPy

Program with language models instead of prompting them

AI Models & APIsFree
4.0 (94)
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Modal logo

Modal

Run AI workloads serverlessly in Python

AI Models & APIsFree tier
4.0 (20)
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Helicone logo

Helicone

Open-source LLM observability and monitoring platform

AI Models & APIsFree tier
4.0 (155)
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NVIDIA NIM logo

NVIDIA NIM

Deploy AI models with NVIDIA optimized inference

AI Models & APIsFree tier
3.9 (48)
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Traceloop logo

Traceloop

End-to-end observability for LLM applications

AI Models & APIsFree
3.9 (147)
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Together AI logo

Together AI

Run open-source AI models in the cloud

AI Models & APIsFree tier
3.8 (547)
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Baseten logo

Baseten

Model inference infrastructure for developers

AI Models & APIsFree tier
3.7 (180)
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Replicate logo

Replicate

Run AI models in the cloud with one API

AI Models & APIsFree tier
3.7 (752)
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Hugging Face logo

Hugging Face

The AI community and model hub

AI Models & APIsFree tier
3.7 (147)
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Google Gemini API logo

Google Gemini API

Gemini 1.5 and 2.0 via Google AI Studio

AI Models & APIsFree tier
3.6 (279)
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Fireworks AI logo

Fireworks AI

Fastest open-source model inference

AI Models & APIsFree tier
3.6 (376)
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Meta Llama API logo

Meta Llama API

Meta's open Llama models via API

AI Models & APIsFree
3.6 (68)
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Chroma logo

Chroma

Open-source vector database for AI applications

AI Models & APIsFree
3.5 (300)
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S

Sapien

Human-augmented AI data labeling at scale

AI Models & APIsFrom €100/mo
0.0 (0)
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R

Runware

Generate media instantly with cost-effective API

AI Models & APIsFrom €10/mo
0.0 (0)
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V

Vectorize

Streamline AI data retrieval for efficient processing

AI Models & APIsFree tier
0.0 (0)
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S

Stable Horde

Community-driven AI image and text generation network

AI Models & APIsFree
0.0 (0)
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How we rank ai models & apis tools

Every tool on ToolSpotter is reviewed against the same checklist: does it solve a real ai models & apisproblem, is the pricing honest, and does it hold up in production? We weight community ratings, review volume, and recency so the freshest opinions surface first. We never accept payment to bump a tool up the rankings — affiliate deals (when they exist) are disclosed on each tool's detail page and don't influence ranking order.

What to look for in a ai models & apis tool

The right ai models & apistool depends on your scale, your team, and the workflow it's slotting into. Before you commit, check these five signals:

  • Pricing model. Pay-per-seat scales differently from usage-based or one-time. Pick the model that matches how predictable your usage is.
  • Integration footprint. Does it plug into the rest of your stack (Slack, Notion, Zapier, your IDE) or does it want to be the centre of gravity?
  • Data & privacy. Where does your input go, is it used for training, and can you opt out? Check the terms before pasting anything sensitive.
  • Support & docs. Solo founders need responsive support; teams need solid SLAs. The cheapest plan rarely includes either.
  • Migration cost. How locked-in are you? Export options, API access, and data portability matter more than launch-day features.

Not sure which ai models & apis tool to pick?

Try the 60-second quiz — five questions about your role, budget, and use case, and we'll narrow the list down to the three that fit you best. Or jump straight to the top-rated ai models & apis tools if you want the editorial picks.

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