Ternary Bonsai 2 27B is a language model from Prism Ml. It is listed for discovery and is not ranked as a separate model. It is listed at $0.075 per million input tokens and $0.50 per million output tokens from one provider. It reads up to 262K tokens of context, and its weights are openly downloadable.
Figures as of 23 Sept 2026, 20:20 UTC · download the public dataset · methodology
Providers
Uptime measured over the last 30 minutesDeployment readiness
Metadata index- Artifact reproducibility
- 45.0
- Access & legal clarity
- 100.0
- Deployability
- 80.0
- Evaluation provenance
- 0.0
Not yet published: the architecture and model type, a parameter count, safetensors weight metadata, admitted benchmark results, results across several capability areas, results from more than one source, a confident match to its benchmark entries, pinned evaluation dataset versions.
A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.
Market activity
Venue coverage- Market Gravity
- 46.3
- OpenRouter weekly popularity
- #271 of 331
Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.
Market Gravity breakdown
- Usage55%
- 3.4
- Liquidity25%
- 98.8
- Open reach15%
- 98.6
- Freshness5%
- 98.1
OpenRouter weekly popularity across the full model catalogue.
Independent providers versus the model's open or closed cohort, weighted by uptime.
Hugging Face 30-day downloads for open models; neutral for closed models.
Time since first public availability, on a six-month half-life.
Specification
- Model ID
prism-ml/ternary-bonsai-2-27b- Context window
- 262K tokens
- Max output
- 33K tokens
- Inputs
- Text, Image
- Outputs
- Text
- Tokenizer
- Qwen
- Cached input tokens
- Not offered
- First seen on OpenRouter
- 18 Sept 2026
Capabilities
- Supported: Reasoning
- Supported: Tool use
- Supported: Structured output
- Supported: Response format
- Not supported: Moderated
Weights & access
Open weights. Downloadable weights are published under an OSI or free-culture license in the current repository metadata. This describes weight availability, not whether the full training stack qualifies as Open Source AI.
- Access
- Open weights
- Licence
- apache-2.0
- Pinned revision
- 6ed5e12bf84b
- Hugging Face downloads (30d)
- 2.8M
- Downloads (all time)
- 2.8M
- Likes
- 2K
- Repository
- prism-ml/Ternary-Bonsai-2-27B-gguf
- Repository updated
- 17 Sept 2026, 18:44 UTC
- Base lineage
- Qwen/Qwen3.8-27B