ECHO PRICING
Free to start. Pro and Ultra when you need more personas.
Echo Free includes 1 persona slot forever. Pro and Ultra add slots, tones, history, and higher Default limits. Fundamental is a one-time persona-file add-on.
Echo Free
$0forever
- ✓ 1 persona slot
- ✓ 50K tokens (lifetime) on Default*
- ✓ Persona tone
- ✓ Bring your own API key
- ✓ Built-in MCP server
Popular
Echo Pro
$3.99/mo
- ✓ 5 persona slots
- ✓ 2M tokens/day on Default*
- ✓ All tones (Professional, Friendly, Direct)
- ✓ 30-day draft history
- ✓ Team profile + personas
- ✓ Everything in Free
*Default routes to DeepSeek V4 Flash for standard drafts and DeepSeek V4 Pro for long-form content.
Add-on
Research-backed persona file
Perennial Fundamental builds a research-backed communication fingerprint: a markdown persona you import into Echo or any AI assistant. Learn more →
$22one-time
One-time payment. No recurring billing.
In Pro and Ultra
Unlocked with a license key.
- 5 persona slots (Pro) or 20 (Ultra) per profile
- Three tone presets: Professional, Friendly, and Direct
- 30-day draft history, stored locally
- Team profile personas for shared company voice
- 2M (Pro) or 5M (Ultra) Default tokens per day