Amazon Bedrock AgentCore vs Vellum (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: Amazon Bedrock AgentCore does not list a price
Free plan
Vellum
Only Vellum has one
Higher rating
Vellum
4.2 against 4.3
Same job?
Yes
Both are Automation tools

Side by side

Compared on	Amazon Bedrock AgentCore	Vellum
Our rating	4.2	4.3Better
Starts at	Not listed	Free
Free plan	No	YesBetter
Category	Automation	Automation
Plans	See pricing	Free
Key features	Framework-agnostic runtime for LangChain, OpenAI Agents SDK, Claude Agent SDK, and more Managed gateway for secure API and knowledge base access Session and memory management for long-running agents Observability into agent decision steps Security policies verified via automated reasoning	Prompt engineering and evaluation workbench Side-by-side comparison across LLM providers and models Test-case-based output quality comparison Collaborative prompt management for teams Production monitoring for deployed prompts
Pros	Works with agents built on any framework, not locked to one ecosystem Solves real production concerns most builder tools skip entirely Backed by AWS's security and infrastructure track record	Fills a genuine gap most workflow tools skip entirely Side-by-side model comparison speeds up choosing the right LLM Collaborative features suit teams iterating together on prompts
Cons	Not a building tool, requires an agent already built elsewhere No free tier, built for enterprise AWS usage Full value requires existing AWS infrastructure and expertise	Not a workflow or automation builder itself, a narrower, earlier-stage tool Full value depends on actively developing an AI feature or product Less relevant for someone who just wants to connect apps together
Company	Amazon Web Services, founded 2025	Vellum, founded 2023

Prices come from each vendor's pricing page, last checked 20260703. Check the vendor before you buy.

FAQ

Questions people ask

Is Amazon Bedrock AgentCore better than Vellum?

In our reviews Amazon Bedrock AgentCore scores 4.2 and Vellum scores 4.3. The better pick depends on the job. Amazon Bedrock AgentCore: Production infrastructure for agents, not a builder itself. Vellum: A workbench for testing and comparing prompts, not deploying workflows.

Which is cheaper, Amazon Bedrock AgentCore or Vellum?

Amazon Bedrock AgentCore: see pricing. Vellum: free.

Do Amazon Bedrock AgentCore and Vellum have free plans?

Only Vellum has a free plan.

More comparisons

Amazon Bedrock AgentCore compared with

All Amazon Bedrock AgentCore alternatives

Vellum compared with

All Vellum alternatives