LLM Comparison
Phi 4 vs ERNIE 4.5 21B A3B Thinking
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
P Phi 4 | E ERNIE 4.5 21B A3B Thinking | |
|---|---|---|
| Organization | Microsoft | Baidu |
| OpenTools Score | ||
| Family | Phi | ERNIE |
| Status | Current | Current |
| Release Date | Jan 2025 | Oct 2025 |
| Context Window | 16K tokens | 131K tokens |
| Input Price | $0.07/M tokens | $0.07/M tokens |
| Output Price | $0.14/M tokens | $0.28/M tokens |
| Capabilities | textcode | textcodeextended-thinking |
| Max Output | 16K tokens | 66K tokens |
| API Identifier | microsoft/phi-4 | baidu/ernie-4.5-21b-a3b-thinking |
| View Phi 4 | View ERNIE 4.5 21B A3B Thinking |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Phi 4Cheapest | $0.07 | $0.07 | $0.14 | — |
| ERNIE 4.5 21B A3B Thinking | $0.07 | $0.14 | $0.21 | +56% |
Microsoft
Phi 4
Phi 4 is a large language model from Microsoft. Supports up to 16,384 token context window. Available from $0.07/M input tokens.
Baidu
ERNIE 4.5 21B A3B Thinking
ERNIE 4.5 21B A3B Thinking is a large language model from Baidu. Supports up to 131,072 token context window. Available from $0.07/M input tokens.
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