AI tools tagged Free Tier

Writing · Claude Opus / Sonnet

9.6

Anthropic's flagship assistant for long-form writing, analysis, and coding.

Freemium· Free tier; Pro $20/mo; Max $100–$200/molong-form writingsummarization

Cursor

Coding · Claude / GPT (configurable)

9.5

AI-first VS Code fork — chat, edit, and agentic coding in one IDE.

Freemium· Free hobby; Pro $20/mo; Business $40/mocodingrefactors

ElevenLabs

Audio · ElevenLabs Multilingual v2

9.4

The gold standard for AI voice cloning and TTS.

Freemium· Free 10k chars/mo; from $5/mo Starter; up to $1320/mo ScaleTTSvoice cloning

GPT-4o

Freemium· Free tier; Plus $20/mo; Pro $200/mogeneral writingsummarization

Writing · GPT-4o

9.4

OpenAI's multimodal flagship behind ChatGPT.

Suno

Freemium· Free credits; Pro $10/mo; Premier $30/mosongwritingdemos

Audio · Suno v4

9.2

Text-to-song AI — full vocal tracks from a prompt.

Flux

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

9.0

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

Freemium· API per-image; weights free for [schnell] and [dev]open sourceself-hosted

Braintrust

Evaluation · Platform (any LLM)

8.9

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

Freemium· Free up to 1k events/day; team from $249/moevalsmonitoring

LangGraph

Agents · BYO (Claude / GPT / open)

Freemium· Free open-source; LangGraph Platform paidstateful agentshuman-in-loop

Stateful, graph-based agent orchestration from LangChain.

Pinecone

RAG · Hosted vector DB (not an LLM)

Freemium· Free starter; serverless pay-as-you-go from $0.33/1M readsmanaged vector DBproduction RAG

Managed vector database for production-scale similarity search.

LlamaIndex

RAG · BYO (Claude / GPT / open)

Freemium· Free open-source; LlamaCloud paidRAGdata ingestion

Data framework for connecting LLMs to your data.

Replit Agent

Coding · Multi-model (Claude / GPT configurable)

Freemium· Free credits; Core $20/mo; Teams $35/moprototypesinternal tools

Build & deploy a full app from a single prompt.

CrewAI

Agents · BYO (Claude / GPT / open)

Freemium· Free open-source core; cloud platform paidmulti-agentorchestration

Python framework for multi-agent orchestration.

Stable Diffusion

Image Generation · SD 3.5 / SDXL

Free· Free open weights; optional Stability APIlocalfine-tuning

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

Udio

Audio · Udio (proprietary)

Freemium· Free; Standard $10/mo; Pro $30/mofull songsmusic demos

Suno's main rival for AI-generated full songs.

Warp

Coding · Multi-model: OpenAI, Anthropic Claude, Amazon Bedrock, plus BYO via OpenRouter and LiteLLM

Freemium· Free / Build $20 per mo ($18 annual) / Max $200 per mo ($180 annual) / Business $50 per user/mo ($45 annual, up to 25 seats) / Enterprise customAgentic debugging of failing builds and testsNatural-language shell command generation

The agentic development environment, from the terminal up

AssemblyAI

Audio · Universal / Slam-1

Freemium· Free credits; pay-per-use from $0.37/hrtranscriptiondiarisation

Speech-to-text API with diarisation, summarisation, and topic detection.

Cline

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

Freemium· Open Source: free (BYOK or pay model inference at cost via ClinePass) / Enterprise: custom pricing (contact sales for SSO, SLA, RBAC, team management)Multi-file feature scaffoldingLarge-scale refactors

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

Freemium· Free self-managed open-source core; Elastic Cloud Serverless usage-based (VCU-priced); Elastic Cloud Hosted from ~$95/mo (Standard) with Gold/Platinum/Enterprise tiers; custom Enterprise pricing.RAG chatbot over enterprise docsHybrid semantic + keyword product search

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

Ernie Bot

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

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

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

LangSmith

Evaluation · Platform (any LLM)

Freemium· Free starter; Plus $39/mo per seatLLM tracingevals

LangChain's eval + observability platform.

Modal

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

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

Serverless GPUs and infra for training & serving ML.

Claude Agent SDK

Agents · Claude Opus / Sonnet

Free· Free SDK; API usage billed at Claude ratesClaude agentstool use

Anthropic's official SDK for building autonomous Claude agents.

DALL·E 3

Image Generation · DALL·E 3

Freemium· Included in ChatGPT Plus; pay-per-image via APIpostersinfographics

OpenAI's image model — strong on prompt adherence and text-in-image.

DataStax Astra DB

RAG · Bring-your-own embeddings; integrates with OpenAI, Cohere, Hugging Face, Mistral, NVIDIA NIM, and Vertex AI via server-side vectorize

Freemium· Free tier with generous monthly credits; Pay-as-you-go serverless consumption pricing (compute + storage + data transfer); Provisioned Capacity Units (PCUs) for predictable workloads; Enterprise plans with committed spend and private deployment options.RAG chatbot over enterprise documentsAgent long-term memory store

Serverless vector and document database for production RAG and AI agents

MongoDB Atlas Vector Search

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

Freemium· Free M0 shared cluster / Pay-as-you-go on dedicated Atlas clusters (compute + storage + optional Search Nodes) / Enterprise Advanced self-managed licensingRAG over enterprise documentsProduct and content recommendation engines

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

Whisper

Audio · Whisper large-v3

Free· Free open weights; $0.006/min via OpenAI APItranscriptionself-hosted

OpenAI's open-source speech-to-text — the de-facto baseline.

Canva Magic Studio

Image Generation · Multi-model: partners including OpenAI (Magic Write historically on GPT models), Google Imagen and Runway for image/video, plus Canva's in-house design and layout models

Freemium· Free tier with limited Magic credits / Canva Pro ~$15/mo (or $120/yr) per user / Canva Teams ~$10/user/mo (3-seat min) / Canva Enterprise custom pricing. Pro unlocks higher Magic Write, Magic Media, and Magic Design usage caps.Social media post generationShort-form video ads

Canva's all-in-one AI creative suite for design, image, video, copy, and presentations

Doubao

Agents · Doubao Seed 2.1 Pro (in-house ByteDance), with Seed 2.0 / 1.5 on free tier

Freemium· Free tier (chat, search, writing, image gen, voice/video chats) / Doubao Pro RMB 68/mo (~$9.40) / RMB 200/mo (~$27.80) / RMB 500/mo (~$69.40). API: 6 yuan per 1M input tokens, 30 yuan per 1M output tokens for Doubao 2.1 Pro (cache-hit as low as 1.2 yuan).Long-document PDF and Office file summarizationAutonomous browser and local-computer agent tasks

ByteDance's flagship AI assistant with a real agent mode and one of the largest user bases outside ChatGPT

Ideogram

Image Generation · Ideogram 2.0

Freemium· Free; Plus $8/mo; Pro $20/motypographylogos

Specialises in beautiful, accurate text rendering inside images.

Kittl

Image Generation · Multi-model: ByteDance Seedream 3-4.5, Ideogram 2A/3, Google Imagen 4 + Nano Banana, OpenAI DALL-E 3 / ChatGPT Image, Black Forest Labs Flux

Freemium· Free (5 projects, 200 one-time AI tokens) / Pro $19/mo ($14/mo yearly, 30 daily AI credits, 10GB) / Expert $45/mo ($34/mo yearly, 80 daily AI credits, 100GB, 6,000 monthly tokens)T-shirt and merch graphic designBadge and vintage-style logo creation

AI-first design platform combining multi-model image and vector generation with a full browser editor

Aider

Coding · BYO (Claude / GPT-4 / Gemini / DeepSeek)

Free· Free / open-source; you pay the underlying LLM API costsCLIgit workflow

Terminal-based AI pair programmer that writes commits.

Amp (Sourcegraph)

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

Freemium· Pay-as-you-go with $5 minimum credit purchase, zero markup on provider API costs; Enterprise tier from $1,000 USD minimum with SSO/SAML, zero data retention, cost controls, and MCP allowlisting.Multi-file refactors across large repositoriesAgentic code generation with subagent parallelism

Frontier coding agent from Sourcegraph with pass-through model pricing

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

Luma Dream Machine

Video · Dream Machine

Freemium· Free; from $9.99/mo Standardcamera motionkeyframing

Fast, accessible text-to-video with strong camera control.

PyCaret

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

Free· Free and open-source (MIT license)automlclassification

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)

Free· Open source (pip install quivr-core); pay only for LLM/vector-store usagedocument-qacustom-knowledge-base

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)

Freemium· Free 500 credits; Starter $20/mo, Growth $100/mo, Pro $500/mo, Enterprise customweb-scrapingdata-extraction

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

Semantic Kernel

Agents · Multi-model

Free· Free, MIT-licensed SDK; you pay for the underlying model APIsagent-orchestrationllm-plugins

Microsoft's open-source SDK for wiring LLMs, plugins, and agents into enterprise .NET, Python, and Java apps.

Weaviate

RAG · Hosted vector DB (not an LLM)

Freemium· Free open-source; cloud from $25/moself-hosted RAGhybrid search

Open-source vector DB with hybrid search and modules.

Weights & Biases

Evaluation · Platform (any LLM)

Freemium· Free personal; team from $50/mo per seatML experimentsLLM eval

The ML experiment tracker, now with LLM eval features.

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

Zed

Coding · Claude (Sonnet/Opus), GPT-4o/5, Gemini, Ollama-hosted local models, and Zed's own Zeta2 open-weight edit-prediction model

Freemium· Personal: Free / Pro: $10 per user/mo (includes $5 token credits + usage-based billing) / Business: $30 per seat/moAI pair-programming with Claude or GPT agentsInline code refactoring via natural-language prompts

A high-performance, multiplayer code editor built in Rust with native AI agent workflows.

Adobe Firefly

Image Generation · Firefly Image 3

Freemium· Bundled with Creative Cloud; standalone $9.99/moenterprisePhotoshop integration

Commercially-safe image gen, integrated into Photoshop and Express.

ClearML

Agents · Model-agnostic

Freemium· Free open-source + hosted tier; enterprise pricing on requestexperiment-trackinggpu-orchestration

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

Codeium

Coding · Proprietary + frontier models in Windsurf

Freemium· Free; Pro $15/mo; Teams $35/moautocompletechat

Free, fast AI autocomplete + chat across 70+ editors.

Figma AI

Image Generation · Multi-model: routes to OpenAI, Anthropic Claude, Google Gemini, and GitHub-hosted models plus Figma fine-tuned models

Freemium· Included with Figma seats (Free / Professional / Organization / Enterprise); AI features metered via a shared team AI credit pool with pay-as-you-go and subscription top-ups. Exact per-credit rates are set at the team/enterprise level.AI-assisted UI generation from promptsDesign system-aware component search

AI workflows built into the design tool product teams already use

Flyte

Agents · Multi-model

Freemium· OSS free; Union.ai commercial tier for enterpriseml-pipelinesagent-orchestration

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

Grain

Audio · Claude, ChatGPT