ExaWizards exaBase vs Letta

A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.

ExaWizards exaBase Japan's #1 enterprise generative AI platform — from autonomous agents... Visit Letta Framework and cloud for building stateful AI agents with long-term mem... Visit
RECATOOLS Score 7.4 / 10 7 / 10
Capability 8.2
Value for money 6.5
Ease of use 7
ASEAN readiness 4.5
API quality 7
Pricing Freemium Freemium
Free tier 2-week free trial (basic fee and usage waived up to a cap); exaBase Empower up to 6-month free trial Open-source framework (Apache-2.0) is free to self-host.
Paid from From ¥900/user/month + ¥27/1,000 chars (exaBase Generative AI); Studio pricing on request Letta Cloud paid usage-based plans for hosted agents.
Has API
Open source
Free to use
Users 50,000+ users across 550 companies (exaBase Generative AI, July 2024)
Founded 2016 2024
Maker ExaWizards Inc. (TSE: 4259) Charles Packer, Sarah Wooders
Verdict

exaBase earned Japan's #1 ranking in the Deloitte Tohmatsu MIC FY2023 study across seven categories, and July 2026 brought a rebrand that matches the ambition: exaBase 生成AI is now simply exaBase AI, with autonomous age...

What this is for: Building agents that keep persistent, self-managed memory and state across long-running interactions. Who this is for: Developers who need agents with durable memory rather than stateless prompt-and-re...

Full review → Full review →
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.