Tool
Pinecone
Free tier: Yes
From: $20/mo
Trial: 3 weeks
Checked October 16, 2026
- Strength. Starter is free for hosted vector search, and Builder is $20 per month with a 3-week trial.
- Weakness. Builder is $20 per month after the trial, and the free Starter limits were not spelled out on the page we parsed.
Checked October 15, 2026
Managed vector database. Starter is free, and Builder is $20 per month.
Pinecone is a managed vector database used in retrieval stacks. On October 16, 2026 the pricing page listed Starter as free and Builder at $20 per month. We did not create an account.
Best for
- Hosted vector search inside a RAG stack
- Teams that do not want to run the database themselves
Not ideal for
- A confirmed free tier from this check
- Web search or page crawling — different tools
What we checked
Docs checked means we opened the official site and the pricing and docs URLs on this page. We did not run a successful local install, so this is not a smoke test.
No local install attempted (SaaS/desktop/extension or install not feasible without account).
Related tools
LlamaIndex
Open-source framework for retrieval and agents. The cloud free plan includes 10,000 credits.
Smoke-testedOpen sourceAgentChecked October 15, 2026
Free tier: Yes · 10,000 credits.
From: $50/mo
Checked October 16, 2026
- Strength. We imported llama-index-core 0.14.25, and the cloud free plan includes 10,000 credits.
- Weakness. Cloud Starter is $50 per month after the 10,000 free credits.
Mem0
Memory layer for agents. We imported the Python package locally; no account and no model call.
Smoke-testedOpen sourceChecked October 15, 2026
Free tier: Yes · 10,000 add requests and 1,000 retrieval requests per month.
From: $19/mo
Checked October 16, 2026
- Strength. We imported mem0ai 2.2.1 locally, and the cloud plan includes 10,000 add requests and 1,000 retrieval requests per month.
- Weakness. The paid plan starts at $19 per month once you pass those monthly request limits.
Firecrawl
Turns websites into markdown for LLMs. Open-source repo plus a cloud API with a free plan.
Docs checkedOpen sourceChecked October 15, 2026
Free tier: Yes · 1,000 credits per month.
From: Check pricing (opens in a new tab)
Checked October 16, 2026
- Strength. The free cloud plan includes 1,000 credits per month to turn pages into markdown, and the repo is open source.
- Weakness. Paid cloud samples on the page included about $16 and $75, and a monthly starting price was not confirmed.
Tavily
Search API for agents that need web results. Pricing page showed a $0 option; not installed here.
Docs checkedChecked October 15, 2026
Free tier: Yes · 1,000 API credits per month.
From: $30/mo
Checked October 16, 2026
- Strength. The free plan includes 1,000 API credits per month for agent web search.
- Weakness. The next plan starts at $30 per month, and the API returns search results rather than clicking through a logged-in site.