LLM monitoring

Freemium· Free up to 5,000 events; Pro from $40/mo; Enterprise customagent-observabilityllm-tracing

Observability and debugging platform purpose-built for AI agents, with time-travel replay and cost tracking across 400+ LLMs.

Arize AI

Freemium· AX Free: Free · AX Pro: $50 · AX Enterprise: Customllm-observabilityagent-evaluation

Enterprise observability and evaluation platform for LLM agents and generative AI applications.

Browser Use

Agents · Multi-model (BYO LLM; Claude in hosted Box)

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

Open-source browser automation harness and cloud platform for LLM agents that drive real websites.

Feast

RAG

Free· Free, open source (Apache 2.0); self-hostedfeature-storerag-retrieval

Open-source feature store that serves consistent features to ML training and online inference, with RAG vector search built in.

Great Expectations

Evaluation

Freemium· Developer: Free · Team: Custom · Enterprise: Contact Salesdata-validationpipeline-testing

Open-source data quality framework for validating the datasets that feed your ML and analytics pipelines.

Sim

Agents · Multi-model (Claude, OpenAI, Google)

Freemium· Free: $0 · Pro: $25 · Max: $100 · Enterprise: Customagent-workflowsinternal-automation

Open-source visual workspace for building, deploying, and monitoring AI agents.

Athina AI

Freemium· Starter free (10k logs/mo); Pro & Enterprise customllm-evaluationprompt-management

8.1

Collaborative LLM evaluation and observability platform for teams shipping AI features to production.

OpenMetadata

Freemium· Free self-hosted OSS; Collate managed cloud has free tier + paid plansdata-catalogagent-context

7.4

Open-source metadata platform that gives AI agents a semantic context graph over your data stack.

OpenBB

Agents · Multi-model (Agent Rita is model-agnostic)

7.3

Open-source financial workspace where analysts and AI agents share the same governed data.

Freemium· Community: Free · Lite: $100 · Pro: Custom pricing · Snowflake: $41.67financial-researchinvestment-workflows

Opik

Freemium· Free open-source self-host; free Cloud tier (no card); Enterprise contact salesllm-tracingagent-evaluation

7.3

Open-source LLM observability and evaluation platform for debugging and monitoring AI agents in production.

Seldon

Agents · Multi-model (bring your own)

7.3

Kubernetes-native MLOps platform for deploying and orchestrating ML and generative AI models in production.

Freemium· Basic: $10 · Pro: $20 · Enterprise: Contact salesmodel-servinginference-pipelines

Wallaroo.AI

Enterprise· Starter: $500 · Wallaroo Community Edition: Free · Ampere Community Edition: Freemodel-deploymentmlops

7.2

Production AI inference platform for deploying and monitoring models across cloud, on-prem, and edge.

Arthur

Freemium· Free: $0/mo · Premium: $60/mo · Enterprise: Customagent-evaluationprompt-management

Open-source toolkit for testing, tracing, and monitoring production AI agents.

Fiddler AI

Evaluation · Fiddler Centor (proprietary evaluators)

Enterprise· Free: Free · Developer: $0.002 per trace · Enterprise: Contact salesllm-observabilityagent-monitoring

Enterprise AI observability and guardrails platform for monitoring agents, LLMs, and ML models in production.

Iguazio

Enterprise· Contact sales; free trial availablemlopsllm-fine-tuning

Enterprise MLOps and GenAI platform for taking models from notebook to production at scale.

KNIME

Agents · Multi-model (OpenAI, Anthropic, Gemini, Ollama)

Freemium· Free: Free · Pro: $19 / month · Team: $99 / month · Business Hub: Contact salesdata-pipelinesllm-workflows

Visual node-based data science platform with built-in connectors for OpenAI, Anthropic, Gemini, and local LLMs.

Maxim AI

Freemium· Developer: Free · Professional: $29 /seat /month · Business: $49 /seat /month · Enterprise: Customagent-evaluationllm-observability

End-to-end evaluation, simulation, and observability platform for shipping production-grade AI agents.

Respan (formerly Keywords AI)

Evaluation · Multi-model (500+ via gateway)

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

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

Tableau

Agents · Salesforce Einstein (multi-model, incl. OpenAI via Einstein Trust Layer)

Paid· Tableau Standard: $ 15 USD/User/Month (Billed annually) · Tableau Enterprise: $ 35 USD/User/Month (Billed annually) · Tableau Next: $ 40 USD/User/Month (Billed annually)business-intelligencenatural-language-queries

Salesforce-owned BI platform that bolted generative AI onto enterprise dashboards via Tableau Pulse and Tableau Agent.

Bisheng

Freemium· Open-source community edition free; commercial enterprise edition via DataElement salesagent-orchestrationrag

7.0

Open-source enterprise AgentOps platform for building, orchestrating, and governing LLM agents at scale.

Pagerly

Freemium· Basic: $19 · Starter: $39 · Enterprise: Customon-call schedulingincident response

6.9

Slack-native on-call scheduling and incident response with AI-assisted rotations.

ReBillion.ai

Paid· AI Toolkit + Customization: $199 · Human Assistant + AI + Customization: $499transaction-coordinationcontract-analysis

6.9

AI transaction coordinator that extracts dates, deadlines, and compliance rules from real estate contracts.

AI Meter

Evaluation

Local usage meter that turns AI coding-agent tokens into estimated electricity and water consumption.

Free· Free for individuals and companies; open source under a public GitHub repo.Tracking daily token usage across Claude Code and CursorEstimating electricity draw of an AI-assisted coding session

AutotuneLLM

Fine-tuning

An open-source optimization layer that sits between your app and Ollama to squeeze more performance out of local LLMs.

Free· Free and open source (MIT licensed).Local LLM inference on Apple SiliconReducing KV cache RAM for Ollama models

Browserbase

Agents · Model-agnostic via Model Gateway (OpenAI, Anthropic, Google, others)

Headless browser infrastructure for AI agents

Freemium· Start for Free: Free · Get Developer: $20 · Get Startup: $99 · Contact Sales: CustomAI web-browsing agentsLLM-driven end-to-end testing

Caveman

Agents · Model-agnostic proxy (Claude, GPT, Gemini, 30+ others); ships CaveGemma, a fine-tuned Gemma-4 released under MIT

The token-efficient stack for agent-native development

Freemium· Free: $0 · Indie: $29/mo · Team: $349/mo · Enterprise: CustomLLM cost optimizationMulti-provider AI gateway

Competiflow

Paid· Free trial (100 checks, no card) / Starter $19/mo (2,000 checks, 20 pages, daily) / Growth $49/mo (5,000 checks, 50 pages, every 6h + SEO analysis) / Pro $99/mo (10,000 checks, 100 pages, hourly + residential proxies)Competitor pricing-page monitoringBattlecard freshness automation

Structured competitor monitoring with AI severity scoring, delivered to your dashboard, Slack or agents via MCP.

Decagon

Enterprise· Custom enterprise pricing; not disclosed publicly. Sales-led with pilot engagements typical for CX/support agent platforms.AI customer support agentVoice support automation

Enterprise AI concierge platform for voice, chat, and email support agents.

Firecrawl MCP Server

MCP Servers

MCP server that gives Claude, Cursor, and other AI agents native web scrape, crawl, search, and extract tools via Firecrawl.

Freemium· Free: $0 USD · Team: $4 USD per user/month · Enterprise: $21 USD per user/monthLive documentation lookup inside Claude DesktopCompetitor pricing extraction during a Cursor coding session

Home Assistant MCP

MCP Servers

Open-source MCP server that lets any LLM control and observe a Home Assistant smart home in real time.

Free· Free and open source (Apache 2.0). Self-hosted; only cost is your own Home Assistant instance and the LLM client you connect to it.Conversational smart-home control from Claude Desktop or CursorLLM-driven Home Assistant automations

Lakera

Evaluation · Proprietary in-house classifiers; model-agnostic (works in front of GPT-4o, Claude, Gemini, Llama, and custom LLMs)

Runtime security and guardrails for GenAI apps, agents, and RAG systems.

Freemium· Free community/developer tier at platform.lakera.ai; paid Enterprise plans (custom pricing, contact sales). No public price list.Prompt injection defense for chatbotsRAG guardrails against indirect injection

Neverbell

Agents · Agent-framework agnostic (Claude Code, OpenClaw, Hermes and other compatible frameworks)

Market access skill that lets AI agents monitor and trade real markets

Freemium· Early access with $1,000 in test funds; production pricing tiers not yet disclosedAgent-executed equity and ETF tradesAutonomous crypto trading

Postgres MCP Pro

MCP Servers · Model-agnostic (works with any MCP-capable LLM); optional OpenAI models for experimental LLM-based index tuning

Open-source Postgres MCP server with deterministic health checks, index tuning, and safe SQL execution.

Free· Free and open source (MIT license). No paid tiers.AI-assisted query optimization in Cursor or Claude DesktopAutomated index recommendations for slow workloads

Reddit MCP (adhikasp/mcp-reddit)

MCP Servers

MCP server that lets Claude and other LLM clients fetch and analyse Reddit threads

Free· Free and open source (MIT). No paid tier. You run it locally; Reddit's public JSON endpoints are hit unauthenticated, subject to Reddit rate limits.Subreddit hot-thread summarisationCommunity sentiment monitoring

Stagehand

Agents · Model-agnostic (OpenAI GPT-4o, Anthropic Claude, Google Gemini via Vercel AI SDK)

The SDK for browser agents

Freemium· SDK is free/open-source (MIT). Runs locally against any LLM API key. Optional Browserbase cloud runtime: Free $0/mo, Developer $20/mo, Startup $99/mo, Scale custom.AI web scrapingAutonomous browser agents

Tavily

RAG · GPT-4

One secure API for real-time web access for AI agents

Freemium· Researcher: Free · Pay As You Go: $0.008 · Project: $01234567890123456789 · Enterprise: CustomRAG chatbot groundingAutonomous research agents

Weather MCP Server