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93 of 93 shown · $486/mo in alternative plan prices for this selection (not actual savings)
| # | What it does | Free tier | Access | Paid alternative | |||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | pgvector | Vector stores Postgres extension | Vector similarity search inside Postgres — no second database to run, back up or pay for. | PostgreSQL licence · runs in the Postgres you already have | No signup open source | A separate managed vector database | $50 | 24k | 12 Aug 26 |
| 2 | Qdrant | Vector stores Vector database | Rust vector database with filtering and quantisation, self-hostable or on a free managed cluster. | Apache-2.0 · self-host unlimited · free managed cluster tier | No signup open source | Managed vector database plan | $50 | 35k | 12 Aug 26 |
| 3 | Weaviate | Vector stores Vector database | Open-source vector database with hybrid search and built-in generative modules. | BSD-3-Clause · self-host unlimited · free 14-day sandbox cluster on Weaviate Cloud, then expires | No signup open source | Managed vector database plan | $50 | 17k | 12 Aug 26 |
| 4 | Langfuse | Observability Tracing + evals | LLM tracing, prompt management and evals — self-hostable, with a free managed tier. | MIT core · self-host unlimited · free cloud tier with a monthly event allowance | No signup open source | Paid LLM observability SaaS seat | $39 | 37k | 12 Aug 26 |
| 5 | faster-whisper SYSTRAN | Audio & voice Speech to text | CTranslate2 reimplementation of Whisper that transcribes several times faster at the same accuracy. | MIT · runs locally · no per-minute cost | No signup open source | Hosted transcription API minutes | $36 | 27k | 12 Aug 26 |
| 6 | Whisper OpenAI | Audio & voice Speech to text | Open-weight multilingual speech recognition — the same family sold as a metered API, released to run locally. | MIT · open weights · runs locally · no per-minute cost | No signup open source | Hosted transcription API minutes | $36 | 112k | 12 Aug 26 |
| 7 | Kokoro TTS hexgrad | Audio & voice Text to speech | Small open-weight TTS model that produces natural speech fast enough to run on a laptop. | Apache-2.0 · open weights · runs locally · no per-character cost | No signup open source | Hosted text-to-speech plan | $22 | 10.0k | 12 Aug 26 |
| 8 | Antigravity Google | Coding agents Agentic IDE | Agent-first IDE where agents plan and execute across editor, terminal and browser. | Free to download · model access on a rate-limited free tier | Account | Paid agentic IDE subscription | $20 | — | 12 Aug 26 |
| 9 | ChatGPT Free OpenAI | Assistants Chat | Web and mobile assistant with a no-cost tier, rate-limited on the newest models. | $0 · message caps on top models, then fallback | Account | ChatGPT Plus | $20 | — | 12 Aug 26 |
| 10 | Claude Free Anthropic | Assistants Chat | Web and mobile assistant with a no-cost tier and usage that resets on a rolling window. | $0 · rolling usage limit, resets through the day | Account | Claude Pro | $20 | — | 12 Aug 26 |
| 11 | Cline | Coding agents Autonomous agent | Agentic coding extension that plans, edits files and runs terminal commands with approval at each step. | Apache-2.0 · self-hosted · bring your own model key | No signup open source | Cursor Pro subscription | $20 | 71k | 12 Aug 26 |
| 12 | Gemini Google | Assistants Chat | Google's assistant with a free tier covering chat, image understanding and document upload. | $0 · rate-limited on the strongest models, then fallback | Account | Google AI Pro subscription | $20 | — | 12 Aug 26 |
| 13 | Perplexity Free Perplexity | Assistants Search | Answer engine that cites its sources, with a free tier and a daily cap on the stronger mode. | $0 · unlimited basic searches · daily cap on Pro searches | Account | Perplexity Pro | $20 | — | 12 Aug 26 |
| 14 | Aider | Coding agents Terminal agent | Terminal pair programmer that edits your repo and writes the git commits for each change. | Apache-2.0 · self-hosted · bring your own model key | No signup open source | GitHub Copilot Business seat | $19 | 50k | 12 Aug 26 |
| 15 | Continue | Coding agents IDE assistant | Open-source autocomplete and chat inside VS Code and JetBrains, pointed at any model you choose. | Apache-2.0 · self-hosted · bring your own model key | No signup open source | GitHub Copilot Business seat | $19 | 36k | 12 Aug 26 |
| 16 | Gemini CLI Google | Coding agents Terminal agent | Open-source terminal agent that reads your repo, edits files and runs commands, backed by Gemini. | Apache-2.0 · free tier via a personal Google account, with published daily request limits | Account open source | GitHub Copilot Business seat | $19 | 109k | 12 Aug 26 |
| 17 | Crawl4AI unclecode | Data & search Crawling | Async crawler that returns LLM-ready markdown, built to replace paid scraping APIs. | Apache-2.0 · self-hosted · no per-page cost | No signup open source | Paid crawl/scrape API plan | $16 | 87k | 12 Aug 26 |
| 18 | ComfyUI Comfy Org | Image Generation UI | Node-graph interface for running open-weight image and video models locally. | GPL-3.0 · runs on your GPU · no per-image cost | No signup open source | Hosted image-generation subscription | $10 | 146k | 12 Aug 26 |
| 19 | AI SDK Vercel | Frameworks TypeScript | TypeScript toolkit for streaming, tool calling and structured output across providers. | Apache-2.0 · self-hosted | No signup open source | — | — | 28k | 12 Aug 26 |
| 20 | BGE / FlagEmbedding BAAI | Embeddings Open weights | Open-weight embedding and reranker models that compete with paid embedding endpoints. | MIT · open weights · runs locally | No signup open source | Metered embedding API calls | — | 12k | 12 Aug 26 |
| 21 | Brave Search API Brave | Data & search Search API | Independent web index with a free query allowance and no result-scraping terms to worry about. | Free tier with a published monthly query allowance | Card on file | Paid search API plan | — | — | 12 Aug 26 |
| 22 | Cerebras Inference Cerebras | Compute & GPU Fast inference | Wafer-scale inference for open-weight models with a free developer tier. | Free tier with published daily token and request limits | Account | Paid frontier API calls | — | — | 12 Aug 26 |
| 23 | Chroma | Vector stores Vector database | Embedded-first vector store that runs in-process for prototypes and as a server for production. | Apache-2.0 · self-hosted | No signup open source | Managed vector database plan | — | 30k | 12 Aug 26 |
| 24 | Chrome Built-in AI Google | Compute & GPU On-device | Gemini Nano running inside Chrome — summarise, translate and rewrite in the browser with no server call. | Free · runs on the user's device · no per-token cost and no data leaves the browser | No signup | Server-side inference for summarise/translate/rewrite | — | — | 12 Aug 26 |
| 25 | Cloud Speech-to-Text Google Cloud | Audio & voice Speech to text | Managed transcription across 100+ languages with a recurring free monthly allowance. | Free monthly audio-minute allowance, then billed per minute | Card on file | Paid transcription API minutes | — | — | 12 Aug 26 |
| 26 | Cloud Text-to-Speech Google Cloud | Audio & voice Text to speech | Managed speech synthesis including WaveNet and Neural2 voices, with a free monthly character allowance. | Free monthly character allowance per voice class, then billed per million characters | Card on file | Hosted text-to-speech plan | — | — | 12 Aug 26 |
| 27 | Cloud Translation Google Cloud | Data & search Translation | Machine translation across 100+ language pairs with a recurring free monthly character allowance. | Free monthly character allowance, then billed per million characters | Card on file | Paid translation API plan | — | — | 12 Aug 26 |
| 28 | Cloud Vision Google Cloud | Image Image understanding | OCR, label detection and object localisation, with a free monthly unit allowance per feature. | Free monthly unit allowance per feature, then billed per 1,000 units | Card on file | Paid OCR / image-analysis API | — | — | 12 Aug 26 |
| 29 | Cloudflare AI Gateway Cloudflare | Gateways Caching + analytics | Drop-in proxy adding caching, rate limiting and per-request analytics in front of any provider. | Included at no cost on the free plan | Account | Commercial AI gateway seat | — | — | 12 Aug 26 |
| 30 | Cloudflare Workers AI Cloudflare | Compute & GPU Edge inference | Run open-weight models on Cloudflare's edge with a daily allocation included at no cost. | Daily neuron allocation on the free plan · overage billed | Account | Managed inference endpoints | — | — | 12 Aug 26 |
| 31 | Cohere: North Mini Code (free) Cohere | Models text | North Mini Code is Cohere's first agentic coding model and the debut of its North family. | $0 in · $0 out · 256K context · rate-limited | Account | Paid frontier API calls | — | — | live |
| 32 | Common Crawl Common Crawl Foundation | Data & search Web corpus | Petabytes of crawled web pages and a host-level web graph, free to download and query. | Open data · free on S3 · you pay only egress if you move it | No signup | Commercial web-data licence | — | — | 12 Aug 26 |
| 33 | CrewAI | Frameworks Multi-agent | Role-based multi-agent orchestration with task delegation between agents. | MIT · self-hosted | No signup open source | — | — | 61k | 12 Aug 26 |
| 34 | Crouton Alpha Stealth | Models vision | Crouton Alpha is a lightweight model built for scalable coding, agentic, and multimodal workflows. | $0 in · $0 out · 1049K context · rate-limited | Account | Paid frontier API calls | — | — | live |
| 35 | Dataset Search Google | Data & search Dataset discovery | Search engine over millions of publicly published datasets, indexed from schema.org metadata. | Free · no account required | No signup | Commercial data-discovery service | — | — | 12 Aug 26 |
| 36 | Dots Studio: Dots3-Note Preview (free) Dots Studio | Models vision | Dots3-Note Preview is an open-weight mixture-of-experts model from Dots Studio, with 16B active parameters out of 280B total. | $0 in · $0 out · 512K context · rate-limited | Account | Paid frontier API calls | — | — | live |
| 37 | DSPy Stanford NLP | Frameworks Prompt optimisation | Compiles prompts and few-shot examples against a metric instead of hand-tuning them. | MIT · self-hosted | No signup open source | Manual prompt-engineering time | — | 39k | 12 Aug 26 |
| 38 | Free Models Router Openrouter | Models vision | The simplest way to get free inference. | $0 in · $0 out · 200K context · rate-limited | Account | Paid frontier API calls | — | — | live |
| 39 | Gemma Google DeepMind | Models Open weights | Google's open-weight model family, sized to run on a single GPU or a laptop. | Open weights under the Gemma terms · runs on your hardware · no per-token cost | No signup open source | Metered inference API calls | — | 5.8k | 12 Aug 26 |
| 40 | Genkit Google / Firebase | Frameworks Orchestration | Open-source framework for building AI features with typed flows, tracing and a local dev UI. | Apache-2.0 · self-hosted · bring your own model key | No signup open source | — | — | 6.6k | 12 Aug 26 |
| 41 | Google AI Studio Google | Assistants Playground + API | Browser playground plus a free API tier for Gemini models, including long-context and vision. | $0 tier with published per-minute and per-day request limits | Account | Paid frontier API calls | — | — | 12 Aug 26 |
| 42 | Google Colab Google | Compute & GPU Hosted notebook | Hosted Python notebooks with an attached GPU, no local setup. | $0 tier · GPU subject to availability and idle timeouts · no guaranteed allocation | Account | Small cloud GPU instance | — | — | 12 Aug 26 |
| 43 | Google Labs FX tools Google | Image Generation | ImageFX, MusicFX, TextFX and Whisk — Google's experimental generation tools, free in supported regions. | Free in supported regions · daily generation limits · account required | Account | Hosted image-generation subscription | — | — | 12 Aug 26 |
| 44 | Google: Gemma 4 26B A4B (free) Google | Models vision | Gemma 4 26B A4B IT is an instruction-tuned Mixture-of-Experts (MoE) model from Google DeepMind. | $0 in · $0 out · 262K context · rate-limited | Account | Paid frontier API calls | — | — | live |
| 45 | Google: Gemma 4 31B (free) Google | Models vision | Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. | $0 in · $0 out · 262K context · rate-limited | Account | Paid frontier API calls | — | — | live |
| 46 | Groq | Compute & GPU Fast inference | Very low-latency inference for open-weight models on custom silicon, with a free developer tier. | Free tier with published rate limits per model | Account | Paid frontier API calls | — | — | 12 Aug 26 |
| 47 | Haystack deepset | Frameworks Retrieval | Production-oriented pipeline framework for search and RAG systems. | Apache-2.0 · self-hosted | No signup open source | — | — | 27k | 12 Aug 26 |
| 48 | Helicone | Observability Proxy logging | One-line proxy that logs every LLM request with cost and latency attribution. | Apache-2.0 core · self-host · free cloud tier with a monthly request allowance | No signup open source | Paid LLM observability SaaS seat | — | 6.3k | 12 Aug 26 |
| 49 | Hugging Face Datasets Hugging Face | Data & search Dataset hub | Hundreds of thousands of openly licensed datasets with a streaming loader. | Free hosting and download for public datasets | No signup | Commercial dataset licence | — | — | 12 Aug 26 |
| 50 | Hugging Face Spaces Hugging Face | Compute & GPU App hosting | Free CPU hosting for Gradio and Streamlit demos, with paid GPU upgrades optional. | $0 CPU tier · sleeps when idle · GPU is paid | Account | Small always-on app dyno | — | — | 12 Aug 26 |
Live rows fetched Nov 8, 2026, 12:50 AM UTC · curated rows last re-seeded 2026-08-12 · full methodology at freeailist.com