Stay free if you only need unlimited agent executions and custom plugin development. Upgrade if you need 25 autonomous agents per month and advanced plugin ecosystem access. Most solo builders can start free.
Why it matters: Pricing can be expensive for individual users or small teams
Available from: Basic ($39/month)
Why it matters: Limited to web-based tasks and plugin-supported integrations
Available from: Basic ($39/month)
Why it matters: Quality depends on underlying LLM capabilities and web content availability
Available from: Basic ($39/month)
Why it matters: May require fine-tuning of objectives to achieve optimal results
Available from: Basic ($39/month)
The free plan covers basic personal agents needs. For professional use with advanced features and higher limits, consider upgrading to a paid plan.
Check the comparison above for the most affordable paid tier that includes premium features beyond the free plan limitations.
Many tools offer free trials of paid tiers. Visit Spell.so's website to check current trial offerings and duration.
Most tools allow downgrades, but you may lose access to paid features and data. Check Spell.so's policy before upgrading.
Start with the free plan — upgrade when you need more.
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Last verified March 2026