Bonsai 2 27B
PrismML's second Bonsai 27B generation brings Qwen3.8-based reasoning to ternary weights. Darkbloom lists a native MLX 2-bit route.
Bonsai 2 27B is available on MiniRouter as . The model page has current pricing, provider routes and API setup.
About the model
- Foundation: Qwen3.8 27B. A distinct PrismML release with ternary language weights.
- Context: 262,144 tokens. Darkbloom lists a 32,768-token output ceiling. Full-context performance depends on serving capacity.
- Darkbloom format: MLX 2-bit. Ternary weights in a 2-bit container; distinct from the smaller GGUF download.
- License: Apache 2.0. Open weights. MiniRouter's initial integration accepts text input only.
Darkbloom provider pricing
These September 19 provider rates exclude MiniRouter markup and the per-request minimum. They do not establish MiniRouter availability.
| Phase | Input / 1M | Output / 1M | Blended / 1M | Effective | Source |
|---|---|---|---|---|---|
| Darkbloom provider rates · checked Sep 19 | $0.075 | $0.50 | $0.18125 | Sep 19, 2026 – open-ended | Darkbloom ↗ |
Publisher-reported benchmarks
Results from the publisher’s announcement, grouped by unit.
| Benchmark | Reported result | Reported by | As of | Source |
|---|---|---|---|---|
| Aggregate retention vs full precision | 98.2% | PrismML | Sep 17, 2026 | Announcement ↗ |
PrismML's announcement reports 98.2% aggregate benchmark retention against its full-precision baseline. This is a publisher evaluation, not a MiniRouter quality or throughput measurement.
Darkbloom provider prices above exclude MiniRouter's markup and the per-request minimum. Use the model page's catalog rates when the route is available.
The source model supports images; MiniRouter's Darkbloom billing admission currently supports text input only. Local-device demonstrations do not establish hosted client compatibility.
Availability follows MiniRouter's routable catalog. An upstream listing alone does not establish MiniRouter access.
Independent measurements
Artificial Analysis evaluations of the first-party API.
Not yet evaluated
Artificial Analysis has not published measurements for Bonsai 2 27B as of Sep 21, 2026. Publisher claims above stand alone until they do.
Source: Artificial Analysis ↗, read Sep 21, 2026. Measured on the model's first-party API, not a MiniRouter route.
Keep exploring
Compare published results in the model rankings and coding benchmarks, or read more model releases.
For MiniRouter product updates, visit the changelog.
Sources
- Read at PrismML ↗
PrismML Bonsai 2 announcement
Published Sep 17, 2026
- Read at Darkbloom ↗
Darkbloom pricing feed
Published Sep 19, 2026
Editorial reference revised 2026-09-29. Catalog status comes from the generated routing snapshot.