ERNIE 4.5 21B A3B
ERNIE 4.5 21B A3B is worth evaluating for agents, classification, and json / tool use when its provider route and context window match the workload.
Use it for
- Teams evaluating agents, classification, and json / tool use
- Workloads that can use a 120k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Vision or document-understanding workloads
- Family
- ERNIE 4.5
- Released
- 2026-01-01
- Context
- 120k
- Parameters
- 21B
- Architecture
- moe
- Specialization
- general
- Openness
- Open source
- License
- Apache 2.0(OSI)Commercial use allowed
- Training
- pretrained
Cheapest of 1 route · Novita AI
About
ERNIE 4.5 21B A3B is a Mixture-of-Experts model from Baidu with 21B total parameters and 3B activated per token. It delivers strong performance across Chinese and English language tasks with efficient inference at 120K context.
ERNIE 4.5 21B A3B is an open-source model in the ERNIE 4.5 family. The structured metadata tracks a 120k-token context window, function calling, tool use, and structured outputs. This page tracks provider routes through Novita AI, with the cheapest tracked route listed at $0.07 input and $0.28 output per 1M tokens. No headline benchmark score is tracked for ERNIE 4.5 21B A3B yet.
Top use-case fit: coding, agents, and build tasks
Agents
Included by capability and metadata signals in the decision map.
Classification
Included by capability and metadata signals in the decision map.
JSON / Tool use
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| Novita AI | $0.070 | $0.280 | Serverless |
Capabilities
Benchmark peer barsfor Agents
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Cheapest of 1 route · Novita AI