Chinese AI labs · Reasoning
ERNIE-4.5-21B-A3B-Thinking
Small Apache-2.0 reasoning model that runs on a single modern GPU; not a line item in Qianfan's price table, so treat it as self-host-only.
Open weights · Permissive (Apache, MIT, OpenMDW) · Data checked September 6, 2026 · Not a hands-on evaluation
Model ID
- Parameters
- 21B total · 3B active21B total / 3B active MoE (64 text experts, 6 active + 2 shared, 28 layers)
- Architecture
- Mixture of experts
- Context window
- 131,072 tokensMaximum input
- Max output
- Not recordedPer response
- Input price
- Not published
- Output price
- Not published
- Cached input
- Not published
- Blended price
- Not available3:1 input to output
- Knowledge cutoff
- Not recorded
- Released
- Not recorded
- Status
- ga
- Size band
- 15B to 40B
License and openness
ERNIE-4.5-21B-A3B-Thinking is released under the Apache-2.0. This is a permissive license. It generally allows use, modification and redistribution, including commercial use, subject to attribution and notice requirements. License terms can change between versions; confirm the text published with the weights you download.
Capabilities
| Input modalities | text |
|---|---|
| Output modalities | text |
Cost at list price
| Input | Not published |
|---|---|
| Output | Not published |
| Cached input | Not published |
| Blended, 3:1 | Not available |
The provider publishes no per-token price for this model. Any price you see elsewhere belongs to a third-party host, and running the weights yourself has hardware costs instead.
Estimate a workload across all models ↗Sources
- Source: huggingface.co ↗
- Chinese AI labs pricing ↗
- API docs ↗
- Full reference record for ERNIE-4.5-21B-A3B-Thinking ↗
- Chinese AI labs in the reference ↗
Sources checked September 6, 2026. Specifications and prices change without notice; confirm against the provider before you commit.
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