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LLM

27 AI tools·8 verified·8 free
Mistral Le Chat

Mistral Le Chat

FreemiumNew

Mistral AI's conversational chat interface for fast, multilingual AI interactions.

Cost-efficient LLM API deploymentSelf-hosted AI applications
chat.mistral.aiVisit
Mistral AI

Mistral AI

FreemiumNew

Powerful open-source and commercial language models from Europe

Cost-efficient LLM API deploymentSelf-hosted AI applications
mistral.aiVisit
LlamaIndex

LlamaIndex

Free

Data framework for building LLM applications with custom knowledge.

Building RAG applicationsConnecting enterprise data to LLMs
llamaindex.aiVisit
Semantic Kernel

Semantic Kernel

Free

Microsoft open-source SDK for integrating LLMs into applications.

Building enterprise AI applicationsAI agent development with Microsoft tools
learn.microsoft.comVisit
Vellum AI

Vellum AI

Freemium

AI development platform for building, testing, and deploying LLM workflows.

Managing LLM prompts in productionTesting and improving AI responses
vellum.aiVisit
Portkey AI

Portkey AI

Freemium

AI gateway for managing LLM reliability, routing, and observability.

Managing multiple LLM providersOptimizing AI infrastructure costs
portkey.aiVisit
Cohere

Cohere

Freemium

Enterprise AI platform for RAG and embeddings

Building enterprise NLP applicationsSemantic search over documents
cohere.comVisit
Braintrust

Braintrust

FreemiumNew

AI evaluation and prompt management platform

Testing AI qualityPrompt A/B comparison
braintrust.devVisit
Aya Expanse

Aya Expanse

Freemium

Cohere's multilingual LLM covering 23 languages with state-of-the-art performance

Multilingual content generationCross-cultural communication
cohere.comVisit
Phi-4 Mini

Phi-4 Mini

Free

Microsoft's compact 3.8B reasoning model that punches above its weight class

On-device AI applicationsMath tutoring and problem solving
huggingface.coVisit
Llama 4 Scout

Llama 4 Scout

Free

Meta's multimodal MoE model with a record-breaking 10M token context window

Full codebase analysisLong document processing
ai.meta.comVisit
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Llama 4 Maverick

Llama 4 Maverick

Free

Meta's frontier multimodal MoE model matching GPT-4o performance open-source

Enterprise AI deploymentMultimodal research and analysis
ai.meta.comVisit
Gemma 3 27B

Gemma 3 27B

Free

Google's flagship open-source multimodal model for powerful private AI deployment

Private enterprise AI deploymentMultimodal research applications
deepmind.googleVisit
Pixtral 12B

Pixtral 12B

Freemium

Mistral's multimodal 12B model for image understanding and visual reasoning

Visual document processingChart and data extraction
mistral.aiVisit
Qwen2.5-VL

Qwen2.5-VL

Free

Alibaba's top-performing vision-language model for documents, charts, and GUI agents

Document processing automationVisual data extraction
qwenlm.github.ioVisit
o3-mini

o3-mini

Freemium

OpenAI's efficient reasoning model with adjustable thinking depth for complex problems

Technical coding problemsMath and STEM problem solving
openai.comVisit
Gemini 2.0 Flash Thinking

Gemini 2.0 Flash Thinking

Freemium

Google's reasoning model that thinks out loud to solve complex problems step by step

Complex mathematical problemsScientific reasoning and analysis
deepmind.googleVisit
Claude 3.5 Haiku

Claude 3.5 Haiku

Freemium

Anthropic's fastest Claude model — beats Opus at a fraction of the cost

High-volume API applicationsReal-time customer service bots
anthropic.comVisit
NotDiamond

NotDiamond

Freemium

Intelligent AI router that picks the best model for each task to cut costs and boost quality

Reducing LLM API costsMulti-model AI applications
notdiamond.aiVisit
LangSmith

LangSmith

Freemium

Production observability platform for debugging and monitoring LLM applications

Debugging LLM application failuresProduction AI monitoring
smith.langchain.comVisit
LiteLLM

LiteLLM

Free

Unified API gateway for 100+ LLMs with one consistent OpenAI-compatible interface

Multi-provider LLM applicationsEnterprise API key management
litellm.aiVisit
Humanloop

Humanloop

Freemium

LLM development platform for systematic prompt management, evaluation, and monitoring

Enterprise AI feature developmentSystematic prompt improvement
humanloop.comVisit
Together AI

Together AI

Freemium

High-speed inference and fine-tuning platform for open-source AI models

Production LLM API deploymentHigh-throughput AI applications
together.aiVisit
Cerebras Inference

Cerebras Inference

Freemium

World's fastest AI inference with custom Wafer Scale Engine chips — up to 70x GPU speed

Real-time interactive AI appsHigh-throughput batch processing
inference.cerebras.aiVisit

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About LLM AI Tools

Browse our curated list of the best LLM AI tools, updated daily. Whether you're looking for free options or premium solutions, Nextool.ai lists 27+ LLM tools ranked by quality and relevance. All tools are manually reviewed and categorized to help you find the right AI solution for your needs. See the top 10 LLM tools, browse free LLM tools, or explore all categories.