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📖 The AI Tool Bible

AI tools tagged Byo Key

48 tools matching this tag.tech

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CU

Cursor

Featured
Coding · Claude / GPT (configurable)
9.5

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

Freemium· Hobby: Free · Individual: $20 / mo. · Teams: $40 / user / mo. · Enterprise: Customcodingrefactors
SD

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
CL

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

Freemium· ClinePass: $9.99/monthMulti-file feature scaffoldingLarge-scale refactors
IW

IBM watsonx

Agents · IBM Granite (3.x, Code, Time Series), Meta Llama 3.x, Mistral, plus other curated open models
8.6

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

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
AI

Aider

Coding · BYO (Claude / GPT-4 / Gemini / DeepSeek)
8.4

Terminal-based AI pair programmer that writes commits.

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

Zed

Coding · Claude (Sonnet/Opus), GPT-4o/5, Gemini, Ollama-hosted local models, and Zed's own Zeta2 open-weight edit-prediction model
8.4

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

Freemium· Personal: $0 · Pro: $10 · Business: $30AI pair-programming with Claude or GPT agentsInline code refactoring via natural-language prompts
HE

Helicone

Evaluation · Platform (any LLM)
8.3

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

Freemium· Free 100k req/mo; Pro from $25/moobservabilitycost tracking
LL

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.

Freemium· Basic: $15 · Pro: $30 · Enterprise: $100self-hosted-llmfine-tuning
BU

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.

Freemium· PAYG: $0 · Dev: $29 · Business: $299 · Scaleup: $999web-automationscraping
JA

Jan

Writing · Multi-model (local open-weights + OpenAI/Claude/Gemini via API)
8.2

Open-source desktop ChatGPT alternative that runs local LLMs and routes to cloud providers from one app.

Free· Free and open source; bring-your-own keys for cloud modelslocal-llm-chatprivate-ai-assistant
LI

LibreChat

Writing · Multi-model (OpenAI, Anthropic, Google, AWS Bedrock, Azure, Ollama, and others)
8.2

Open-source, self-hostable ChatGPT-style frontend that brings every major LLM provider under one roof.

Free· Free and open source; self-hosted (you pay model providers for API usage)multi-model chatself-hosted chatgpt
MS

Msty

Writing · Multi-model (Ollama, Claude, GPT, Gemini, others)
8.2

Privacy-first desktop AI workspace that runs local and cloud models side by side.

Freemium· Free: $0 · Aurum: ? · Aurum Lifetime: ? · Enterprise & Teams: Talk to uslocal-llm-chatmulti-model-comparison
LO

LocalAI

Writing · Multi-model (llama.cpp, diffusers, whisper, etc.)
8.1

Self-hosted OpenAI-compatible API for running LLMs, image, and audio models on your own hardware.

Free· Free and open source (MIT)local-llm-inferenceopenai-api-replacement
PY

PyGPT

Writing · Multi-model (GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Ollama)
8.1

Open-source desktop AI assistant that wires every major LLM provider into one local app with agents, vision, and a code interpreter.

Free· Free and open-source (MIT); bring your own provider API keysdesktop-ai-assistantchat-with-files
1P

16x Prompt

Coding · Multi-model (BYO key)
8.0

Desktop prompt-composer for AI coding that bundles repo context, diffs, and multi-model comparison.

Freemium· Free: 10 prompts/day; paid individual and team licensesprompt-engineeringai-pair-programming
NO

NovelCrafter

Writing · Multi-model (BYO key: OpenAI, Anthropic, Gemini, Mistral, OpenRouter, Ollama)
8.0

Bring-your-own-key novel-writing workspace with a wiki-style codex and multi-model AI assistance.

Freemium· Basic: $10 · Pro: $20 · Enterprise: Contact salesnovel-writingworldbuilding
OP

OpenHands

Agents · Multi-model (Claude, Gemini, GPT/Codex)
8.0

Open-source autonomous coding agent that plans, edits, and ships changes across real codebases.

Freemium· Open Source: Free · Individual: Free · Enterprise: Custom pricingautonomous-codingpr-review
PG

pgMagic

Coding · OpenAI (user-supplied API key)
8.0

Mac desktop client that lets you chat with your Postgres database in natural language using your own OpenAI key.

Paid· AU$22 one-time license; bring your own OpenAI API keynatural-language-to-sqlpostgres-client
AN

AnythingLLM

RAG · Multi-model
7.9

Open-source desktop and self-hosted app that turns your documents into a private chat-and-agent workspace.

Freemium· Basic: $50/monthly · Pro: $99/monthly · Enterprise: Contact Usdocument-chatprivate-rag
AT

Atua

Agents · Multi-model (BYO key)
7.9

Keyboard-summoned macOS AI assistant that reads your screen and drives system apps with your own API keys.

Paid· One-time $29, lifetime updates, 7-day refundmacos-assistantscreen-context
CO

Continue

Coding · BYO (any OpenAI-compatible API + Ollama for local)
7.9

Open-source, self-hostable VS Code/JetBrains AI assistant.

Free· Free / open-source; you pay model costsself-hostedopen source
MO

Modzy

Agents · Multi-model
7.7

Enterprise ModelOps platform for deploying and running AI/ML models across cloud, on-prem, and edge.

Enterprise· Basic: $10 · Pro: $20 · Enterprise: Contact salesmodel-deploymentedge-ai
TY

TypingMind

Writing · Multi-model (GPT, Claude, Gemini, Mistral, DeepSeek, local)
7.7

BYOK chat frontend that puts GPT, Claude, Gemini, and local models behind one polished UI.

Paid· Standard: $39 · Extended: $79 · Premium: $99multi-model-chatprompt-library
TA

Tabnine

Coding · Proprietary (Tabnine-trained, on-prem capable)
7.6

Privacy-focused AI autocomplete with on-prem options.

Paid· Tabnine Code Assistant: $39 · Tabnine Agentic Platform: $59enterpriseprivacy
OM

oMLX

Coding · Multi-model (Qwen, Llama, Mistral, Gemma, DeepSeek, MiniMax, GLM)
7.5

Native macOS LLM inference server built on MLX, with paged SSD KV caching for Apple Silicon agents.

Free· Free, Apache 2.0 open sourcelocal-llm-inferencecoding-agents
HE

Headroom

Agents · Model-agnostic (Anthropic, OpenAI, Vertex, Bedrock, Azure, 100+ via LiteLLM)
7.4

Open-source context compression layer that strips 70-95% of boilerplate before it hits your LLM.

Free· Apache 2.0 open source; free for commercial usetoken-compressionagent-context
DE

DeepSeek

Coding · DeepSeek R1, V3, V2, Coder V2, VL
7.3

Chinese AI lab shipping open-weight reasoning models that punch well above their API price.

Freemium· deepseek-v4-flash: 0.02元 (缓存命中) / 1元 (缓存未命中) / 2元 (输出) · deepseek-v4-pro: 0.025元 (缓存命中) / 3元 (缓存未命中) / 6元 (输出)reasoningcode-generation
GO

Gorilla

Agents · gorilla-openfunctions-v2 (6.91B)
7.3

Open-source LLM purpose-built for function calling and API invocation across thousands of tools.

Free· Free and Apache 2.0; self-hostedfunction-callingtool-use
KA

Kong AI Gateway

Agents · Multi-model
7.3

Enterprise API gateway extended to route, govern, and observe LLM and agent traffic across providers.

Freemium· Free trial: $0 · Plus: Charged per Gateway per month · Enterprise: Custom pricing · Essentials: $0 · Pro: $12llm-gatewaymulti-llm-routing
OP

OpenRouter

Coding · Multi-model
7.3

Unified API gateway to 400+ LLMs from 70+ providers, with one OpenAI-compatible endpoint and automatic failover.

Freemium· Pay-as-you-go credits; sample packs $10 and $99; some free-tier models availablellm-routingmulti-model-access
VA

Valohai

Agents · Multi-model
7.3

MLOps platform for versioned pipelines, distributed training, and LLM evaluation across any cloud.

Enterprise· Free trial; contact sales for pricingmlopsllm-evaluation
AF

Agno (formerly Phidata)

Agents · Multi-model
7.2

Open-source Python framework for building multi-agent systems, paired with a production runtime that ships in your own cloud.

Freemium· Free: Free · Pro: $150/mo · Enterprise: ?
AF

AI-Flow

Agents · Multi-model (OpenAI, Anthropic, Google, Replicate, xAI)
7.2

Visual node-based builder for chaining OpenAI, Anthropic, Replicate and other model APIs into content pipelines.

Freemium· Free tier: 25 welcome credits + 20 BYOK runs/day; paid plans for extended storageworkflow-automationcontent-pipelines
CS

Cherry Studio

Agents · Multi-model
7.2

Open-source desktop AI client that wires 300+ LLMs into one chat, knowledge-base, and agent workspace.

Free· Free and open source; bring your own API keysmulti-model chatlocal knowledge base
KA

Kiln AI

Evaluation · Multi-model
7.2

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

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

Kilo Code

Coding · Multi-model (500+ via BYO keys or routing)
7.2

Open-source agentic coding assistant for VS Code, JetBrains, and the terminal with bring-your-own-key routing across 500+ models.

Freemium· Free & Open Source: Free · Teams: $15/user/month · Enterprise: Custom · Kilo Pass: $19/mo · Kilo Pass: $19/moai-pair-programmingcode-review
LB

LLM by Datasette

Coding · Multi-model
7.2

A CLI and Python library for running prompts against any LLM provider and logging everything to SQLite.

Free· Free and open source (Apache 2.0); pay underlying model providers separatelycli-promptingprompt-logging
LO

LobsterAI

Agents · Multi-model
7.2

Youdao's 24/7 personal agent that runs locally, plugs into multiple LLMs, and automates office workflows via dialogue and skills.

Paid· Not publicly listed; contact Youdaodesktop-agentoffice-automation
OD

Open Deep Research

Agents · o3-mini (default), DeepSeek R1, or any OpenAI-compatible model
7.2

Minimal open-source deep-research agent that iteratively searches, scrapes, and reasons to produce cited markdown reports.

Free· Free (MIT); bring your own Firecrawl + LLM API keysdeep-researchagent-scaffolding
PI

Pieces

Coding · Multi-model (BYO OpenAI, Anthropic, Gemini, Ollama)
7.2

On-device long-term memory layer that feeds your last nine months of work context into any LLM or IDE assistant.

Freemium· Pro: $18.99 · Enterprise: $22.99developer-memorycode-snippets
PA

Portkey AI Gateway

Agents · Multi-model (1,600+ LLMs)
7.2

Open-source AI gateway that routes a single API call across 1,600+ LLMs with caching, fallbacks, and observability.

Freemium· Developer: Free Forever · Production: $49/month · Enterprise: Custom Pricingllm-routingfallbacks-and-retries
EL

ElizaOS

Agents · Multi-model (BYO via plugins)
7.1

Open-source agentic OS for building and orchestrating multi-agent swarms across Discord, Telegram, X, and onchain.

Free· Free, open-source (self-hosted); bring your own model API keysmulti-agent-swarmssocial-bots
MA

Manifest

Agents · Multi-model
7.1

Open-source LLM router that fans your agent traffic across providers and your existing AI subscriptions.

Freemium· Free: $0 /month · Pro: $19 /month · Enterprise: Let's Talkllm-routingcost-control
PA

PandasAI

Coding · Multi-model (via LiteLLM)
7.1

Conversational data analysis library that turns natural-language questions into pandas, SQL and chart code.

Freemium· Basic: $10 · Pro: $30 · Enterprise: Contact salesdata-analysisnatural-language-sql
RF

Respan (formerly Keywords AI)

Evaluation · Multi-model (500+ via gateway)
7.1

LLM engineering platform combining a multi-model gateway with tracing, evals, and prompt management.

Freemium· Free tier; paid plans (pricing not public); enterprise on requestllm-observabilityprompt-management
FO

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
GF

GPT for Sheets and Docs

Writing · Multi-model
7.0

Multi-model AI add-on that turns Google Sheets and Docs into a bulk text-processing engine.

Freemium· Starter: €3.40 EUR · Standard: €6.80 EUR · Plus: €10.55 EUR · Enterprise: Contact salesbulk-text-generationtranslation
LA

LangFast

Evaluation · Multi-model
7.0

No-signup LLM playground for testing, comparing, and versioning prompts against your own API keys.

Paid· One-time lifetime ~$60-$120; 14-day money-backprompt-testingprompt-versioning