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HammerAI vs Sudowrite
HammerAI edges Sudowrite on our editorial score (4.2 vs 4.1), but HammerAI is the better fit if you want voice notes and long-term memory and image sharing and custom characters; Sudowrite has no clear edge there.
| HammerAI | Sudowrite | |
|---|---|---|
| Editor score | 4.2 / 5 | 4.1 / 5 |
| Price | $9/mo | $10/mo |
| Price band | Under $10/mo | $10–20/mo |
| Free tier | Yes | No |
| Price detail | Free: 600 cloud messages/day, unlimited chat on locally run models. Pro tiers $9/$18/$35 per month for larger cloud limits. Verified on hammerai.com/pricing. | $10/mo billed annually (higher tiers $22 and $44/mo annual) as shown 2026-09-30; monthly billing is available at higher rates. Free trial credits on signup. |
| Adult content | No adult mode | No adult mode |
| Voice | Voice notes | No |
| Images | Yes | No |
| Video | No | No |
| Memory | Yes | No |
| Custom characters | Yes | No |
| Companion types | Any character | Any character |
| Platforms | Web, Desktop, iOS | Web |
| Runs locally | Yes | No |
HammerAI — our take
The most generous free tier in the category: unlimited chat on locally run models, 600 cloud messages a day, no card required.
- Unlimited free chat with local models
- Group chat, lorebooks and personas
- Open-source with desktop apps
Sudowrite — our take
The best-known AI fiction partner: Story Engine turns an outline into chapters, and Rewrite keeps your voice.
- Story Engine drafts whole chapters
- Describe and Rewrite tools
- Tuned for long fiction
HammerAI vs Sudowrite — common questions
Which is cheaper, HammerAI or Sudowrite?
HammerAI is the cheaper of the two at $9/mo, against $10/mo for Sudowrite.
Which one has a free tier?
Only HammerAI has a free tier; Sudowrite is paid-only.
Which remembers conversations better?
HammerAI retains context across sessions; Sudowrite keeps context only within a session.
Which handles adult content differently?
HammerAI: No adult mode. Sudowrite: No adult mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.