PLaMo-2.0
Japanese-focused open LLMs with state-of-the-art Japanese benchmark results
About
PLaMo 2 is a series of Japanese-focused large language models from Preferred Networks, described in a September 2025 technical report. The lineup uses a hybrid Samba-based architecture extended to full attention for 32K-token contexts, and the team says the pruned 8B model matches its earlier 100B model. It posts strong results on Japanese benchmarks like Jaster and ELYZA-tasks-100. The community license requires contacting Preferred Networks for commercial use, which limits it as a drop-in commercial base.
Specs
Context window
Pricing
Free quota
API access
Weights
Released
Benchmarks
Team-reported: state-of-the-art on Japanese benchmarks (Jaster, ELYZA-tasks-100) among similarly sized open models; the pruned 8B matches the earlier 100B model.
Provider-reported unless a source says otherwise. Benchmarks are marketing-adjacent by nature — treat them as directional.
Use cases
Trust score — 7/10
Scored 7/10 (verified tier, metrics-v1). Evidence: Preferred Networks is an established Japanese AI company; Technical report on arXiv with detailed evaluation; Japanese-language niche limits global adoption. License: PLaMo community license — commercial use requires contacting Preferred Networks (per project README). Not a fully open license..
How the trust score is built
Full methodology →- Adoption · stars/downloads, log-scaled vs peers
- 6.0/10
- Maintenance · recency, releases, issue load
- 7.0/10
- Openness · license + docs
- 6.0/10
- Manual review · sanity read + red-flag check
- 7.0/10
- · Preferred Networks is an established Japanese AI company
- · Technical report on arXiv with detailed evaluation
- · Japanese-language niche limits global adoption