Relevance AI vs Spell.so: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Relevance AI and Spell.so side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Relevance AI leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Relevance AI
No-code platform to build and deploy AI agent workforces
Best for you if:
- • You want a free tier before you commit
Spell.so
Delegate tasks to autonomous AI agents and transform your daily work with intuitive AI tools.
Best for you if:
- • You want automates a wide range of tasks using AI agents
| At a Glance | Relevance AI | Spell.so |
|---|---|---|
Starts at | Free plan, paid from $19/mo, billed monthly Pro plan | From $7.50/mo, billed yearly Personal plan |
Category | AI Agents Workflow Automation | AI Assistants Workflow Automation |
Rating | 4.3/5 G2 4.3 20 reviews | n/a |
Free plan | Yes | No |
Watch out for | Higher storage needs beyond 100MB | No overage credit purchases available |
Choose Relevance AI or Spell.so?
Choose Relevance AI if
- You want a free tier before you commit
- You want no-code agent builder
- You want 1,000+ tool integrations
- You work in AI agents, not AI assistants
Choose Spell.so if
- You want automates a wide range of tasks using AI agents
- You want allows parallel execution of multiple AI tasks, saving time
- You work in AI assistants, not AI agents
In-Depth Analysis
Relevance AI
No-code platform to build and deploy AI agent workforces
The pricing for Relevance AI is quite generous for individual users, with a robust Free tier and an affordable Pro tier at $19/month offering substantial credits.
Watch out
Higher storage needs beyond 100MB
Strengths
- Pro: No-code agent builder
- Pro: 1,000+ tool integrations
- Pro: Bring your own API keys option
- Pro: Multi-agent team workflows
- Pro: Visual drag-and-drop interface
Weaknesses
- Con: Credit system can be confusing
- Con: Advanced features require higher tiers
- Con: Learning curve for complex workflows
- Con: Some integrations only on enterprise
Key features
Spell.so
Delegate tasks to autonomous AI agents and transform your daily work with intuitive AI tools.
The pricing is fair for light usage but becomes expensive for heavy users, as the $7.50 Personal tier offers only 800 credits while the $41 Expert tier gives 5000 credits, a poor value per credit at the mid-tier.
Watch out
No overage credit purchases available
Strengths
- Pro: Automates a wide range of tasks using AI agents.
- Pro: Allows parallel execution of multiple AI tasks, saving time.
- Pro: Offers a rich library of prompts and templates for various industries.
- Pro: Provides plugins to extend agent functionality.
- Pro: Includes a free trial to test features.
Weaknesses
- Con: Pricing is credit-based, which might require monitoring usage.
- Con: Teams feature is listed as 'Coming soon!'
Key features
Plans and prices: Relevance AI vs Spell.so
| Tool | Plans and prices | Source |
|---|---|---|
| Relevance AI |
| relevanceai.com/pricing read Oct 2, 2026 |
| Spell.so |
| spell.so/pricing read Sep 30, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Relevance AI pricing and Spell.so pricing.
Key Takeaways
Relevance AI
- Has a free plan
Spell.so
- Choose if you want delegate tasks to autonomous AI agents and transform your daily work with intuitive AI tools
What the data shows
On the data below, Relevance AI leads on a free plan. We do not name an overall winner for this pair.
- Only Relevance AI has a published user rating (4.3/5 from 20 reviews); Spell.so has none we can show.
- Entry prices are not ranked, they are charged on different bases: Relevance AI $19/mo, billed monthly; Spell.so $7.50/mo, billed yearly.
- Only Relevance AI has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Relevance AI and Spell.so compare in 2026?
On the data below, Relevance AI leads on a free plan. We do not name an overall winner for this pair. Only Relevance AI has a published user rating (4.3/5 from 20 reviews); Spell.so has none we can show. Entry prices are not ranked, they are charged on different bases: Relevance AI $19/mo, billed monthly; Spell.so $7.50/mo, billed yearly. Only Relevance AI has a free plan.
What are Relevance AI and Spell.so used for?
Relevance AI: No-code platform to build and deploy AI agent workforces. Spell.so: Delegate tasks to autonomous AI agents and transform your daily work with intuitive AI tools.
What does Relevance AI cost vs Spell.so?
Relevance AI's cheapest paid plan is Pro at $19/mo, billed monthly; it also has a free plan. Spell.so's cheapest paid plan is Personal at $7.50/mo, billed yearly. Prices read on the vendors' pricing pages, latest check Oct 2, 2026.
What's the main difference between Relevance AI and Spell.so?
Relevance AI's main strength: no-code agent builder. Spell.so's main strength: automates a wide range of tasks using AI agents.