Google Vertex AI alternatives

12 agents tools in the same lane as Google Vertex AI, ranked by editorial score.

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LangGraph

Featured

Agents · BYO (Claude / GPT / open)

8.8

Stateful, graph-based agent orchestration from LangChain.

Freemium· Free open-source; LangGraph Platform paidstateful agentshuman-in-loop

CrewAI

Featured

Agents · BYO (Claude / GPT / open)

8.4

Python framework for multi-agent orchestration.

Freemium· Free open-source core; cloud platform paidmulti-agentorchestration

Ernie Bot

Agents · Baidu ERNIE 4.0 / ERNIE X1 / ERNIE Turbo (in-house)

8.7

Baidu's Mandarin-first ChatGPT rival, powered by the ERNIE model family

Freemium· Free tier for Ernie 3.5 access; Ernie 4.0 and premium features require a paid subscription (approximately CNY 59.9/month for individual plans); enterprise API pricing via Baidu AI Cloud Qianfan platform is metered per 1K tokens.Mandarin content writing and marketing copyChinese-language document Q&A and summarisation

Moveworks

Agents · Orchestrates multiple enterprise-ready LLMs (undisclosed mix, historically including OpenAI GPT and in-house models via its Reasoning Engine)

8.7

The enterprise AI assistant that searches, answers, and takes action across your business systems

Enterprise· Enterprise-only pricing; no public tiers. Quoted per organization based on employee count, integrations, and agent scope. Contact sales for a quote.IT service desk ticket deflectionHR policy Q&A and self-service

AWS Bedrock

Agents · Multi-model: Anthropic Claude, Meta Llama, Mistral, Cohere, AI21, Amazon Nova/Titan, DeepSeek, Stability, OpenAI GPT

8.6

Build and scale generative AI applications with foundation models

Paid· Pay-as-you-go per 1K input/output tokens per model; on-demand, batch, and provisioned throughput tiers. New AWS accounts get up to $200 in credits. Enterprise agreements via AWS.Enterprise RAG chatbot over private documentsMulti-step tool-using agents via AgentCore

Claude Agent SDK

Agents · Claude Opus / Sonnet

8.6

Anthropic's official SDK for building autonomous Claude agents.

Free· Free SDK; API usage billed at Claude ratesClaude agentstool use

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

Doubao

Agents · Doubao Seed 2.1 Pro (in-house ByteDance), with Seed 2.0 / 1.5 on free tier

8.5

ByteDance's flagship AI assistant with a real agent mode and one of the largest user bases outside ChatGPT

Freemium· Free tier (chat, search, writing, image gen, voice/video chats) / Doubao Pro RMB 68/mo (~$9.40) / RMB 200/mo (~$27.80) / RMB 500/mo (~$69.40). API: 6 yuan per 1M input tokens, 30 yuan per 1M output tokens for Doubao 2.1 Pro (cache-hit as low as 1.2 yuan).Long-document PDF and Office file summarizationAutonomous browser and local-computer agent tasks

Glean

Agents · Model-agnostic: routes across 35+ LLMs including GPT-4o, Claude 3.5/4 Sonnet, Gemini 1.5/2, Llama 3, Mistral, plus Glean in-house models

8.5

Work AI platform that unifies enterprise knowledge, search, and agents

Enterprise· Enterprise pricing only; commonly reported in the $40-50/user/month range with a floor typically starting around 100 seats. No public self-serve tier. Contact sales for a quote.Enterprise search across Slack, Drive, Confluence and JiraCompany-wide AI assistant with citations

ChatGLM (Zhipu Qingyan)

Agents · GLM-4, GLM-4V, GLM-4-Air/Flash, CogView, CogVideoX (ChatGLM family, Zhipu AI / Tsinghua KEG)

8.4

Zhipu AI's bilingual ChatGLM assistant with agents, code, image and video generation

Freemium· Free consumer tier (chatglm.cn); paid API tiers via Zhipu Open Platform (bigmodel.cn) priced per million tokens by model (GLM-4, GLM-4-Air, GLM-4-Flash, GLM-4V, CogVideoX); enterprise/private deployment on requestChinese-language document drafting and rewritingChinese-English translation and localisation

Palantir AIP

Agents · Multi-model (GPT, Claude, Llama, customer-hosted)

8.4

Enterprise AI platform that grounds LLMs in your operational data and runs agents against real business systems.

Enterprise· Contact sales; typically bundled with Foundryenterprise-agentsoperational-ai

ScrapeGraphAI

Agents · Multi-model (LLM, unspecified)

8.4

LLM-driven web scraping API that turns natural-language prompts into structured JSON.

Freemium· Free 500 credits; Starter $20/mo, Growth $100/mo, Pro $500/mo, Enterprise customweb-scrapingdata-extraction