AI tools for API

Flux

Featured

Image Generation · Flux.1 [schnell / dev / pro]

9.0

Black Forest Labs' open-weights image model — rivals Midjourney quality.

Braintrust

Featured

Evaluation · Platform (any LLM)

8.9

Eval, monitor, and improve AI products end-to-end.

Pinecone

Featured

RAG · Hosted vector DB (not an LLM)

8.8

Managed vector database for production-scale similarity search.

LlamaIndex

Featured

RAG · BYO (Claude / GPT / open)

8.7

Data framework for connecting LLMs to your data.

Together AI

Featured

Fine-tuning · Llama / Mistral / Qwen / DeepSeek and others

8.6

Fine-tune & serve open-weight models (Llama, Mistral, DeepSeek).

Cline

Coding · Model-agnostic: Claude (Anthropic), GPT (OpenAI), Gemini (Google), DeepSeek, Grok, Mistral, Cerebras, plus local Ollama/LM Studio

8.7

Open-source agentic coding assistant that plans, edits, and runs code inside your IDE

Elasticsearch Vector Search

RAG · BYO embeddings (OpenAI, Cohere, Hugging Face, Mistral, Bedrock, Vertex, Azure) plus Elastic's built-in ELSER sparse model and E5 dense model

8.7

Hybrid vector + keyword search in the enterprise-grade Elasticsearch engine

LangSmith

Evaluation · Platform (any LLM)

8.7

LangChain's eval + observability platform.

Nano Banana (Gemini Image)

Image Generation · Gemini 3 Pro Image (Nano Banana Pro), Gemini 3.1 Flash Image (Nano Banana 2), Gemini 3.1 Flash-Lite Image (Nano Banana 2 Lite)

8.7

Google DeepMind's Gemini-powered image generation and conversational editing model family

AWS Bedrock

Agents · Multi-model: Anthropic Claude, Meta Llama, Mistral, Cohere, AI21, Amazon Nova/Titan, DeepSeek, Stability, OpenAI GPT

8.6

Build and scale generative AI applications with foundation models

Google Vertex AI

Agents · Gemini 2.5 (Pro/Flash/Nano), Imagen, Veo, Chirp, plus Model Garden (Llama, Mistral, Claude via partner)

8.6

Google Cloud's unified platform for building, deploying, and scaling enterprise AI agents and models.

MongoDB Atlas Vector Search

RAG · Bring-your-own embeddings (OpenAI, Cohere, open models); native Voyage AI embeddings and rerankers

8.6

Vector search built into the operational database you're already using.

Replicate

Fine-tuning · Thousands of community + first-party models

8.5

One-API platform for running and fine-tuning open-source models.

Magnific

Image Generation · Magnific proprietary + Stable Diffusion / Flux finetunes

8.4

Generative AI upscaler and enhancer that hallucinates believable detail into low-res or AI-generated images.

OpenAI Fine-tuning

Fine-tuning · GPT-4o-mini / GPT-3.5

8.4

Fine-tune GPT-4o-mini and friends on your own data.

PyCaret

Coding · Multi-model (scikit-learn, XGBoost, LightGBM, CatBoost)

8.4

Low-code Python AutoML library that wraps scikit-learn, XGBoost, LightGBM and friends behind a few-line API.

Quivr

RAG · Multi-model (OpenAI, Anthropic, Mistral, Gemma)

8.4

Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.

ScrapeGraphAI

Agents · Multi-model (LLM, unspecified)

8.4

LLM-driven web scraping API that turns natural-language prompts into structured JSON.

Weaviate

RAG · Hosted vector DB (not an LLM)

8.4

Open-source vector DB with hybrid search and modules.

Weights & Biases

Evaluation · Platform (any LLM)

8.4

The ML experiment tracker, now with LLM eval features.

ClearML

Agents · Model-agnostic

8.3

End-to-end MLOps and GenAI platform with open-source experiment tracking and enterprise GPU orchestration.

Dataiku

Agents · Multi-model (LLM Mesh: OpenAI, Anthropic, Bedrock, Vertex, OSS)

8.3

Enterprise AI platform unifying data, ML, LLMs, and agents under one governed workflow.

Flyte

Agents · Multi-model

8.3

Open-source Python-native orchestration platform for AI, ML, and data workflows at production scale.

H2O.ai

Agents · Multi-model

8.3

Enterprise AI platform combining AutoML, generative AI, and vertical agents for regulated industries.

Helicone

Evaluation · Platform (any LLM)

8.3

Open-source LLM observability — one-line proxy install.

LM Studio

Agents · Multi-model (gpt-oss, Qwen3, Gemma, DeepSeek-R1, Llama, others)

8.3

Desktop app for discovering, downloading, and running open-weight LLMs locally with an OpenAI-compatible server.

LangChain

RAG · BYO (any major LLM)

8.3

The broad LLM application framework — chains, agents, retrievers.

Llama

Fine-tuning · Llama 4 (Maverick, Scout), Llama 3.3/3.2/3.1

8.3

Meta's open-weight LLM family covering 1B mobile models up to 405B frontier and natively multimodal 10M-context Llama 4 variants.

Mubert

Audio · Proprietary sample-based generative engine

8.3

AI music generator that spits out royalty-free background tracks for video, podcast, and app use.

Qwen

Writing · Qwen3 / Qwen-Image / Qwen-MT / Qwen3Guard

8.3

Alibaba's open-weight foundation model family covering chat, vision, image generation, translation, and safety classification.

RunPod

Fine-tuning · Bring-your-own (any open-weight or custom model)

8.3

On-demand GPU cloud and serverless inference platform built specifically for AI workloads.

Skyvern

Agents · Multi-model (OpenAI, Anthropic, Gemini, Ollama)

8.3

AI browser agent that automates web workflows from natural-language instructions, with CAPTCHA and 2FA handling built in.

Vanna.ai

RAG · Multi-model (Anthropic, OpenAI, Gemini, Ollama)

8.3

Open-source text-to-SQL agent that learns your schema and writes queries against your real warehouse.

n8n

Agents · Multi-model

8.3

Source-available workflow automation with first-class AI-agent and RAG building blocks.

vLLM

Fine-tuning · Multi-model (open-weight LLMs: Llama, Qwen, DeepSeek, Mistral, Gemma, Phi, etc.)

8.3

Open-source high-throughput inference engine for serving LLMs with PagedAttention and continuous batching.

AgentOps

Agents · Multi-model

8.2

Observability and debugging platform purpose-built for AI agents, with time-travel replay and cost tracking across 400+ LLMs.

Arize AI

Evaluation · Multi-model

8.2

Enterprise observability and evaluation platform for LLM agents and generative AI applications.

BentoML

Agents · Multi-model

8.2

Open-source framework and managed platform for serving and scaling AI models in production.

Browser Use

Agents · Multi-model (BYO LLM; Claude in hosted Box)

8.2

Open-source browser automation harness and cloud platform for LLM agents that drive real websites.

Claude Code

Coding · Claude (Opus / Sonnet / Haiku)

8.2

Anthropic's agentic coding tool that reads, edits, and ships code from the terminal, IDE, or web.

Daytona

Agents

8.2

Secure, isolated sandboxes for running AI-generated code with sub-90ms cold starts.

Feast

RAG

8.2

Open-source feature store that serves consistent features to ML training and online inference, with RAG vector search built in.

Fireflies.ai

Audio · Multi-model (proprietary ASR + LLM layer)

8.2

AI meeting assistant that joins calls, transcribes them, and turns the talk into searchable notes and action items.

Giskard

Evaluation · Multi-model

8.2

Continuous AI red teaming platform that stress-tests LLM agents for vulnerabilities before they hit production.

Google AI Studio

Coding · Gemini 2.5 Pro / Flash, Imagen, Veo

8.2

Browser-based playground and API console for prototyping with Google's Gemini models.

Great Expectations

Evaluation

8.2

Open-source data quality framework for validating the datasets that feed your ML and analytics pipelines.

Hermes Agent

Agents · Multi-model (300+ via Nous Portal)

8.2

Open-source multi-channel AI agent with persistent memory, scheduling, and subagent delegation from Nous Research.

Humanloop

Evaluation · Platform (any LLM)

8.2

Prompt management + evals for collaborative AI teams.