Open Source Llm Model
The best 50 Open Source Llm Model AI tools - Free & Paid
Explore 50 AI for Open Source Llm Model
LM Studio runs openāsource large language models locally on Mac (Māseries), Windows, and Linux, enabling private, offline inference. It offers commandāline and headless deployment, serverāside API, SDKs, a model hub, and LMāÆLink for remote model access.
Free
LLM Selector filters openāsource large language models by use caseāchatbots, content, code, summarization, researchāwhile presenting benchmarks, training data, architecture, and deployment details. The interface updates regularly to aid researchers, developers, and product managers in dataādriven mo
Freemium
Inception Labs' diffusion-based large language models (dLLMs) offer faster, more efficient, and cost-effective text generation than traditional autoregressive models. With built-in error correction, multimodal support, and structured output control, they excel in function calling and complex data ge
Freemium
OpenLIT is an openāsource observability platform for largeālanguageāmodel applications, offering distributed tracing, realātime monitoring, model evaluation, prompt versioning, fleet telemetry, and a zeroācode Kubernetes operator to integrate with major LLM providers and vector databases.
Subscription
- $10/mo
LLM Price Check aggregates LLM API models and provider details into sortable tables and a cost calculator, showing context windows, input/output cost metrics, and quality indicators to help developers and teams evaluate costāperformance tradeoffs.
Freemium
- $1
Falcon is an openāsource LLM family by the Technology Innovation Institute, spanning 0.09ā180āÆB parameters. It offers efficient FalconāH1 series, Arabic variants, multimodal Falconā3, and FalconāMambaāÆ7B, all under permissive licenses.
Free
llmarena.ai offers side-by-side LLM comparisons across major providers, showing specs like context window, output capacity, modality and routing options. Filters and role-based categories help developers, ML engineers, product managers and researchers select suitable models.
Freemium
Mistral AI offers developers a platform for building cutting-edge generative AI models with a focus on performance and customization. Their models excel in reasoning tasks and benchmarks, providing flexible deployment options across infrastructures.
Freemium
VLLM is a high-throughput, memory-efficient inference engine for Large Language Models, enabling faster responses and effective memory management. It supports multi-node configurations for scalability and offers robust documentation for seamless integration into workflows.
Free
LLM Pricing Comparison lets developers and businesses compare token costs, context lengths, and modalities for major largeālanguage models. An interactive calculator estimates application expenses based on input/output token volumes, helping teams budget AI workloads accurately.
Freemium
BenchLLM evaluates languageāmodel applications via API or CLI, running JSON/YAML test suites with automated, interactive, or custom strategies. It supports OpenAI, LangChain, and any API, detecting regressions, generating reports, and visualizing results for continuous QA.
Freemium
Llama.cpp is an open-source tool for efficient inference of large language models. Run open source LLM models locally everywhere.
Free
Openāsource AI codeāreview platform that plugs into GitHub, GitLab, Bitbucket, and Azure DevOps at the pullārequest level. Modelāagnostic, it runs custom rule sets, tracks technical debt, and delivers realātime metrics without storing source code.
Freemium
Aleph Alpha offers specialized large language models built on EU infrastructure, trained on domaināspecific data for legal, administrative, industrial, and scientific use. It ensures data sovereignty, compliance, and realātime workflow integration for secure AI in public, manufacturing, and defense
Freemium
Portkey is an LLMOps platform offering a unified API and model catalog with observability, guardrails, RBAC, audit logs, prompt management, caching, routing and PII redaction to simplify multi-model integration, governance, monitoring, and cost optimization.
Free
- $49/mo
Llama is a local AI tool that enables users to create customizable and efficient language models without relying on cloud-based platforms, available for download on MacOS, Windows, and Linux.
Free
LLM Pulse tracks brand visibility and search presence across LLMs (ChatGPT, Perplexity, Google AI), offering prompt tracking and suggestions, citation analysis, visibility scoring and competitor benchmarking, sentiment and response inspection, plus API and reporting exports.
Free trial
DeepSeek Free provides browser access to 671-billionāparameter DeepSeek-R1/V3 models for conversational Q&A, code assistance, math solving, and document/image-aware NLP; supports direct use without login, workflow integration, customization, and encrypted data handling.
Free
LLMWare AI installs a lightweight client on PCs, providing instant access to 100+ AI models optimized for Intel and Qualcomm hardware. It supports RAG, autoātunes weights, runs locally without WiāFi, and offers an admin console for monitoring, scaling, and audit logs.
Freemium
LLMChat is an AI chat tool that offers a beta version experience with diverse AI models, personalized memory, custom assistant creation, and privacy-focused locally stored conversations. Explore features like plugin integration, tailored preferences, and prompt examples for various tasks.
Free
Llama Family is an extensive AI platform featuring versatile llama models for multiple applications. It promotes open collaboration, democratizing AI access, with notable offerings including the popular Llama open-source model and Atom mega-model for enhanced Chinese language processing capabilitie
Freemium
Duck.ai offers anonymous access to popular AI models. It ensures privacy by keeping conversations untracked and outside AI training data, with seamless model switching.
Free
Latitude offers endātoāend observability for LLM deployments, recording inputs, outputs, and context. It enables manual annotations, automated error grouping, continuous evaluation, and prompt optimization with GEPA. OTEL telemetry and SDK integrations support major model providers.
Freemium
- $299/mo
LLMOps Space is a global community for LLM practitioners, offering curated content, discussion forums, event recordings, and resources on production deployment, fineātuning, observability, and search optimization, plus networking via Discord and newsletters.
Freemium
NOF1 is an AI trading platform linking multiple LLMs to live market execution, model chat logs and a public leaderboard, enabling transparent benchmarking, realātime P&L, chaināofāthought review, strategy-mode analytics and time-series performance charts.
Subscription
Klu accelerates LLM app development by enabling collaborative prompt design, version control, and automated evaluation across multiple providers. It offers unified observability, cost and drift tracking, private infrastructure, continuous monitoring, and integration with 50+ tools for scalable AI de
Freemium
- $97/mo
SurfSense is an open-source team collaboration tool built as an alternative to NotebookLM, connecting LLMs to internal knowledge sources for real-time chat, research, and workflow automation with cited answers.
Upstage AI delivers enterprise LLMs and document-processing tools: low-latency and Japan-specific models, PDF/OCR parsing, structured information extraction, centralized search and Q&A with citations, REST/AWS/onāprem deployment, and team collaboration for review.
Flux LoRA offers a searchable library of lowārank adaptation models for the FLUX image generation framework. Users can browse, compare, and download models, view usage statistics, and access FAQs and licensing information for compliant deployment.
Freemium
OurToken.ai is a unified LLM API that allows developers to access models from OpenAI, Anthropic, Google, and others through a single integration point. It simplifies multi-provider deployment with smart prompt routing, centralized key management, and built-in usage tracking for cost optimization.
Subscription
gpt-oss playground provides open-weight demos of gpt-oss-120b and 20b for infrastructure testing, distributed and on-device inference, benchmarking, API integration, and reproducible research, with adjustable reasoning levels and visible-reasoning for diagnostics. Demo-only; validate outputs.
Freemium
An open-source LLM-based research assistant tool that enables users to converse with research papers.
Paid
Unstract is an openāsource, noācode platform that automates structured data extraction from unstructured documents using LLMs. It features reusable prompts, HumanāinātheāLoop verification, and dualāLLM hallucination mitigation for secure, compliant use across finance, insurance, and healthcare.
Freemium
Opper is a unified AI gateway and agent control plane that routes requests across 200+ models and modalities, offering centralized model routing, automated fallbacks, budget caps, LLM observability, a multi-provider testing playground, OpenAI-compatible SDK, and enterprise privacy/compliance control
Usage Based
FreedomGPT unifies access to 400+ AI models, showing sideābyāside answers for voting and autoāselection via leaderboard. It keeps privacy safe, runs on Windows/macOS, and is openāsource for community contribution and collaboration.
Free
OpenRouter gives one API key to access 300+ models from 60+ providers, SDKācompatible, with visual routing, automated fallāback, edge hosting, dataāpolicy controls, and agentic tools for building efficient autonomous workflows.
Freemium