ERNIE 4.5 21B A3B: API pricing, providers and specs
ERNIE 4.5 21B A3B is a text model by Baidu. 2 providers serve it, from $0.28 to $0.28 /1M; the lowest price is at Novita AI.
How ERNIE 4.5 21B A3B compares
Against the 737 text models on the site priced the same way.
- Cheap for its class: at $0.28 /1M, its lowest price undercuts 78% of comparable models (median $1.10).
- 2 providers serve it; 36% of comparable models have fewer.
- Its weights are open under the Apache 2.0 license: commercial use allowed.
ERNIE 4.5 21B A3B prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
Specs
- Type
- Text
- Maker
- Baidu
- Inputs
- Text
- Outputs
- Text
- Context
- —
- Max output
- —
- Capabilities
- —
- Released
- Sep 8, 2025
- License
- Apache 2.0commercial use allowed
- Open weights
- Yes, downloadable
- Parameters
- 22B
Alternatives to ERNIE 4.5 21B A3B
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| ERNIE 4.5 21B A3Bthis model | $0.28/1M | — | — | 2 |
 GLM-5.3-Flash | $0.20/1M | 1.05M | 1608 | 45 |
 Qwen3.8 27B | $0.50/1M | 262K | 1591 | 33 |
| GPT-6 Luna | $0.40/1M | 1.05M | 1578 | 28 |
| Claude Haiku 5.5 | $0.30/1M | 1M | 1585 | 27 |
 MiMo-V2.6-Pro | $0.696/1M | 1.05M | 1625 | 21 |
| Qwen3.8 Flash Next | $0.376/1M | 262K | 1628 | 5 |
 DeepSeek V4 Flash | $0.17/1M | 1.05M | — | 26 |
| DeepSeek V4 Flash Vision Exp | $0.294/1M | 1.05M | — | 26 |
More from Baidu
ERNIE 5.0Baidu$3.29/1MERNIE Image TurboBaidu$0.01/MPERNIE 5.1Baidu$2.54/1MCoBuddyBaidu$1.13/1MERNIE 4.5Baidu$0.272/1MERNIE 4.5 0.3bBaidu$0.054/1MERNIE 4.5 Turbo 128K PreviewBaidu$0.432/1MERNIE 4.5 Turbo VLBaidu$1.20/1MERNIE 4.5 21B A3B FAQ
The lowest price for ERNIE 4.5 21B A3B is $0.28 /1M, at Novita AI.
Novita AI, at $0.28 /1M. 2 providers serve ERNIE 4.5 21B A3B; the table above lists every one with its price.
Yes. ERNIE 4.5 21B A3B's weights can be downloaded from its maker's Hugging Face page, under the Apache 2.0 license.
About 22B, as the safetensors metadata of its official Hugging Face repo states.
2 API providers serve ERNIE 4.5 21B A3B. Compare their prices above, or open a provider to see everything it offers.
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