Qwen3 4B vs ERNIE-4.5-21B-A3B-Thinking
Qwen3 4B is cheaper on output tokens, while ERNIE-4.5-21B-A3B-Thinking offers a larger context window. Choose Qwen3 4B or ERNIE-4.5-21B-A3B-Thinking based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Qwen3 4B | ERNIE-4.5-21B-A3B-Thinking |
|---|---|---|
| Provider | NovitaAI | NovitaAI |
| Input / 1M tokens | $0.03 | $0.07 |
| Output / 1M tokens | $0.03 | $0.28 |
| Context window | 128K | 131K |
| Parameters | — | — |
| Open weights | Yes | Yes |
| Released | Apr 2025 | Sep 2025 |
FAQ
Is Qwen3 4B or ERNIE-4.5-21B-A3B-Thinking cheaper?
Qwen3 4B is cheaper on output tokens ($0.03 vs $0.28 per 1M).
Which has the larger context window, Qwen3 4B or ERNIE-4.5-21B-A3B-Thinking?
ERNIE-4.5-21B-A3B-Thinking has the larger context window (131K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.