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ERNIE-4.5-21B-A3B-Thinking
baidu·baidu/ernie-4.5-21b-a3b-thinking-2·GA·Open weights·ernie series
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
At a glance
Reference price$0.07 / $0.28 per 1M
Cache read — · NovitaAI
Lowest paid$0.07 / $0.28
NovitaAI Gateway
Context131,072
Output limit65,536
Capabilities
✓ ReasoningTool use? Structured output✓ TemperatureAttachments
Modalities
Text
Knowledge cutoff2025-03
Released / updated2025-09-19 / 2025-09-19
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NovitaAI baidu/ernie-4.5-21B-a3b-thinking | Gateway | $0.07 | $0.28 | — | — | 131,072 | 65,536 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1NovitaAI$28.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
Upstream provides no control info
1 / 1 providers expose no reasoning control (reasoning_options: []).
Related models
ERNIE 5.1same series$0.75 / $3.00ERNIE 5.1 Thinkingsame series$0.75 / $3.00ERNIE 4.5 VL 424B A47Bsame series$0.42 / $1.25GLM-4.7-Flashcheaper alternative$0 / $0Hy3cheaper alternative$0 / $0Nemotron 3 Nano 30B A3Bcheaper alternative$0 / $0Qwen3.7 Flashcheaper alternative$0.03 / $0.118
Price historyone sample accumulated per data sync
Input listOutput listMin blended