AI fine-tuning platform

Paid· Pay-per-token; fine-tuning per-tokenopen modelsfine-tuning

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

Ernie Bot

Agents · Baidu ERNIE 4.0 / ERNIE X1 / ERNIE Turbo (in-house)

8.7

Baidu's Mandarin-first ChatGPT rival, powered by the ERNIE model family

Freemium· Free tier for Ernie 3.5 access; Ernie 4.0 and premium features require a paid subscription (approximately CNY 59.9/month for individual plans); enterprise API pricing via Baidu AI Cloud Qianfan platform is metered per 1K tokens.Mandarin content writing and marketing copyChinese-language document Q&A and summarisation

Modal

Fine-tuning · Infrastructure (any model you can host)

8.7

Serverless GPUs and infra for training & serving ML.

Freemium· $30/mo free credits; pay-as-you-go GPU ratesserverless GPUfine-tuning

AWS Bedrock

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

Paid· Standard: Contact sales · Flex: Contact sales · Priority: Contact sales · Reserved: Contact salesEnterprise RAG chatbot over private documentsMulti-step tool-using agents via AgentCore

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)

Paid· Image Data - Training (Classification): $3.465 / 1 hour · Image Data - Training (Object Detection): $3.465 / 1 hour · Image Data - Deployment and Online Prediction: $1.375 / 1 hour · Image Data - Batch Prediction: $2.222 / 1 hour · Tabular Data - Training (Classification/Regression): $21.252 / 1 hourEnterprise RAG chatbotMulti-agent customer service

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

IBM watsonx

Agents · IBM Granite (3.x, Code, Time Series), Meta Llama 3.x, Mistral, plus other curated open models

Enterprise· watsonx.ai has a free tier on IBM Cloud with limited tokens; paid usage is metered per 1M tokens by model family (Granite, Llama, Mistral, etc.). watsonx.governance and watsonx.data are quoted per environment. Enterprise deals via IBM sales; on-prem/Cloud Pak for Data is separately licensed.Enterprise RAG chatbot over private documentsCustomer service agents with guardrails

Enterprise AI platform for building, deploying, and governing models and agents

Replicate

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

8.5

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

Paid· Pay-per-second of GPU timemodel hostingfine-tuning

ChatGLM (Zhipu Qingyan)

Agents · GLM-4, GLM-4V, GLM-4-Air/Flash, CogView, CogVideoX (ChatGLM family, Zhipu AI / Tsinghua KEG)

Freemium· Free consumer tier (chatglm.cn); paid API tiers via Zhipu Open Platform (bigmodel.cn) priced per million tokens by model (GLM-4, GLM-4-Air, GLM-4-Flash, GLM-4V, CogVideoX); enterprise/private deployment on requestChinese-language document drafting and rewritingChinese-English translation and localisation

Zhipu AI's bilingual ChatGLM assistant with agents, code, image and video generation

Yi (01.AI)

Agents · Yi-Lightning (MoE), Yi-Large, Yi-1.5 (6B/9B/34B), Yi-VL, Yi-Coder — in-house 01.AI foundation models

Freemium· Open-source Yi models free under permissive license; hosted API via platform.lingyiwanwu.com with pay-per-token pricing (Yi-Lightning positioned as a low-cost frontier tier; Yi-Large priced higher; exact per-token rates on the platform dashboard). Enterprise custom-training and consulting on quote.Self-hosted coding assistantBilingual English-Chinese chatbot

Foundation models from 01.AI — open-weight Yi family plus frontier Yi-Lightning and Yi-Large

H2O.ai

Enterprise· Contact sales; live demo on requestenterprise-agentsautoml

8.3

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

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.

Freemium· Free: $0local-llm-inferenceprivate-chat

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.

Paid· Pod: $7.39/hr · Pod: $4.39/hr · Pod: $5.89/hr · Pod: $1.99/hr · Pod: $3.19/hrllm-fine-tuninggpu-rental

AgentOps

Freemium· Free up to 5,000 events; Pro from $40/mo; Enterprise customagent-observabilityllm-tracing

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

CoreWeave

Fine-tuning · DeepSeek

Enterprise· NVIDIA GB300 NVL72: Contact sales · NVIDIA GB200 NVL72: $42.00 · NVIDIA HGX B300: Contact sales · NVIDIA HGX B200: $68.80 · NVIDIA RTX PRO 6000 Blackwell Server Edition: $20.00model-trainingfine-tuning

AI-native GPU cloud built for large-scale training, fine-tuning, and inference on NVIDIA hardware.

Leonardo.ai

Image Generation · Phoenix / Lightning / fine-tuned variants

Freemium· Free 150 daily credits; from $12/mo Apprenticegame artdesign

Production-grade image gen for games and design teams.

OpenAI Playground

Writing · Multi-model (GPT-4o, GPT-4.1, o-series, DALL-E, Whisper, TTS)

Paid· Basic: $10 · Pro: $20 · Enterprise: Contact salesprompt-engineeringmodel-comparison

OpenAI's official browser sandbox for prompting, tuning, and testing every model on the platform before you ship API code.

OpenPipe

Fine-tuning · Llama, Mistral, Qwen and other open-weight base models

Freemium· Free tier available; usage-based pricing for training and hosted inference; enterprise plans on requestllm-cost-reductionfine-tuning

Fine-tuning and reinforcement learning platform for turning expensive prompts into cheap, fast, task-specific models.

Optuna

Fine-tuning

8.1

Open-source Python framework for automated hyperparameter optimization across any ML stack.

Free· Free and open source (MIT)hyperparameter-tuningml-experiment-tracking

Recraft

Image Generation · Recraft V4.1

8.1

AI image and vector generator built for designers who actually need editable, brand-consistent output.

Freemium· Free tier in Recraft Studio; paid plans and enterprise tier availabletext-to-imagevector-generation

Together AI Fine-tuning

Fine-tuning · Multi-model (any Hugging Face open-source model)

8.1

Managed fine-tuning platform for open-source LLMs and vision models with LoRA, full fine-tuning, and RL support.

Paid· Usage-based; cost estimator in-product, no public price listllm-fine-tuningvision-fine-tuning

Fal.ai

Image Generation · Multi-model (Flux, Stable Diffusion, video/audio models)

8.0

Serverless GPU inference platform optimized for fast diffusion and generative media APIs.

Paid· Usage-based; serverless from ~$1.89/GPU-hour, per-output pricing on model APIstext-to-imagetext-to-video

Hume AI

Audio · Octave, EVI, TADA

8.0

Emotionally intelligent voice AI with expressive TTS, speech-to-speech, and human-feedback evaluation APIs.

Freemium· Free: $0 · Starter: $3 · Creator: $7 · Pro: $70 · Scale: $200expressive-ttsvoice-cloning

Anyscale

Fine-tuning · Infrastructure (any model)

7.9

Ray-powered platform for training, serving, and scaling LLMs.

Paid· Enterprise / contact salesdistributed trainingRay

Fireworks AI

Fine-tuning · Multi-model (DeepSeek, Qwen, GLM, Kimi, Gemma, Minimax, others)

7.9

Production inference and fine-tuning platform for open-source LLMs, tuned for speed and enterprise economics.

Freemium· Free signup credits; pay-per-token from ~$0.14/M in; enterprise reserved capacity on requestllm-fine-tuningserverless-inference

Lamini

Fine-tuning · Lamini (built on open base models)

7.7

Memory-tuning platform for grounding LLMs in your facts.

Paid· Enterprise / contact salesenterprise FTfactual recall

FedML

Fine-tuning · Bring-your-own (PyTorch, Hugging Face)

7.3

Distributed training, fine-tuning, and serving platform with federated learning roots.

Freemium· Open-source library free; managed GPU usage pay-as-you-gofine-tuningdistributed-training

Kubeflow

Agents · Multi-framework (PyTorch, JAX, XGBoost, TensorFlow)

7.3

Open-source toolkit for running the full ML lifecycle on Kubernetes.

Free· Free and open source; commercial distributions and managed offerings priced separately by vendorsml-pipelinesdistributed-training

Geniusrise

Free· Free, open source; self-hostedinference-servingfine-tuning

Open-source framework for building, deploying, and scaling AI microservices across text, vision, and audio.

Kiln AI

Evaluation · Multi-model

Freemium· Free Individual tier; Team (request access); Enterprise (custom)llm-evaluationfine-tuning

Open-source workbench for building, evaluating, and fine-tuning AI agents across 190+ models.

LLaMA Factory

Fine-tuning · Multi-model (LLaMA, Mistral, Qwen, Gemma, Phi, LLaVA, ChatGLM, Yi)

Free· Free, open-source (Apache-2.0); self-hostedlora-fine-tuningqlora

Open-source, no-code WebUI for fine-tuning 100+ open LLMs with LoRA, QLoRA, DPO, and PPO.

Paperspace Gradient

Fine-tuning · Bring-your-own (PyTorch, TensorFlow, Hugging Face)

Freemium· Free: $0 · Pro: $8 · Growth: $39 · T0: $0 · T1: $12model-trainingfine-tuning

End-to-end MLOps platform with GPU notebooks, training jobs, and model deployment, now folded into DigitalOcean.

Iguazio

Enterprise· Contact sales; free trial availablemlopsllm-fine-tuning

7.1

Enterprise MLOps and GenAI platform for taking models from notebook to production at scale.

Scale GenAI Platform

Fine-tuning · Multi-model (OpenAI, Google, Meta, Mistral)

7.1

Enterprise agent platform from Scale AI that connects your data, orchestrates multi-agent workflows, and learns from human feedback inside your own VPC.

Enterprise· Contact sales; enterprise contracts onlyenterprise-agentsrag-over-internal-data

W&B Sweeps

Fine-tuning · Multi-model (Llama, DeepSeek, Qwen, Kimi)

7.1

Hyperparameter optimization from Weights & Biases with Bayesian search and Hyperband early stopping.

Freemium· Free: $0/mo · Pro: $60/month, billed monthly · Enterprise: Custom plans · Personal: $0/mo · Advanced Enterprise: Custom planhyperparameter-tuningbayesian-optimization

Forefront

Fine-tuning · Multi-model (Mistral-7B, Mixtral, Phi-2)

7.0

Fine-tune and serve open-source LLMs on your own data without managing GPUs.

Paid· Basic: $20 · Pro: $50 · Enterprise: Contact salesfine-tuningopen-source-llms

Kazimir.ai

Image Generation · Multi-model (Civitai-sourced)

7.0

Search engine for AI-generated images, indexing millions of Civitai-sourced renders.

Freemium· Free to browse; sign-in required to unblur some resultsai-image-searchcivitai-discovery

Photo AI

Image Generation · Proprietary Hyper Realism (Flux + DreamBooth fine-tuning)

7.0

Train a personalized AI model on your selfies and generate photorealistic photos and videos of yourself.

Paid· Starter: $19 · Pro: $49 · Max: $99 · Ultra: $199personal-avatarsheadshots

Parea AI

Evaluation · Multi-model

6.8

LLM evaluation, observability, and prompt management platform for teams shipping production AI apps.

Freemium· Free (2 seats, 3k logs/mo); Team $150/mo; Enterprise customllm-evaluationprompt-management

Taranify

Agents · Custom neural network (color-psychology)

6.8

Mood-based entertainment recommender that picks your movies, music, and books from a 30-second color quiz.

Free· 100% free, unlimited recommendationsmovie-recommendationsmusic-discovery

HiDream

Image Generation · HiDream-I1 (17B diffusion transformer) — Full, Dev, Fast variants

Open-source 17B image model with frontier quality, hosted on Vivago and free to self-host under MIT.

Freemium· Free tier on vivago.ai; Basic $9.90/mo, Plus $29.90/mo, Pro $69.90/mo (monthly). Annual saves up to 50% (Basic $7.90/mo, Plus $19.90/mo, Pro $59.90/mo). Third-party API pricing (e.g. Fal): ~$1 per 20 Full runs, ~$1 per 33 Dev runs, ~$1 per 100 Fast runs.text-to-image generationconcept art and illustration

Nomic Atlas

RAG · nomic-embed-text-v1.5, nomic-embed-vision-v1.5 (in-house open-weights); optional integrations with OpenAI, Cohere, and other embedding providers

Interactive maps and embeddings for unstructured text, image, and multimodal data.

Freemium· Starter: Free · Plus: $10/month · Business: $125/seat/month · Enterprise: Custom solutions for security-first organizationsRAG corpus exploration and debuggingEmbedding quality auditing

Poolside

Coding · Poolside Laguna 2.1 (in-house) — Laguna S 118B/8B-active MoE and Laguna XS 33B/3B-active MoE

Frontier open-weight foundation models purpose-built for agentic software engineering.

Enterprise· No public price list. Direct enterprise/government engagements are contact-sales; the Laguna 2.1 open-weight models can also be consumed pay-per-token via third-party gateways (OpenRouter, Vercel AI Gateway) at their published rates.Self-hosted coding agents inside enterprise VPCsAir-gapped / on-prem code generation for defense and government

TuneAI

RAG · YandexGPT (feedback), Yandex SpeechKit (speech-to-text)

Voice-based oral exam practice with rubric-grounded AI feedback

Freemium· Public pricing not disclosed on the site; account registration and login are available, suggesting a free tier or trial with paid options gated behind sign-up.University oral exam practiceViva voce rehearsal

CrewAI

Featured

Agents · BYO (Claude / GPT / open)

Freemium· Basic: Free · Enterprise: Custommulti-agentorchestration

Python framework for multi-agent orchestration.

Gemini Advanced

Writing · Gemini 2.5 Pro

9.0

Google's flagship — strong at math, long context, and Workspace integration.

Paid· $20/mo via Google One AI PremiumWorkspace integrationmath

Stable Diffusion

Image Generation · SD 3.5 / SDXL

8.8

Open-source image generation — run anywhere, fine-tune anything.

Free· Free open weights; optional Stability APIlocalfine-tuning

Amp (Sourcegraph)

Coding · GPT-5.5, Claude Opus 4.8, GPT Image 2 (frontier multi-model)

Freemium· Basic: $10 · Pro: $20 · Enterprise: Contact salesMulti-file refactors across large repositoriesAgentic code generation with subagent parallelism

Frontier coding agent from Sourcegraph with pass-through model pricing

Magnific

Image Generation · Magnific proprietary + Stable Diffusion / Flux finetunes