LLM Comparison
ERNIE 4.5 21B A3B Thinking vs Reka Flash 3
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
E ERNIE 4.5 21B A3B Thinking | R Reka Flash 3 | |
|---|---|---|
| Organization | Baidu | Reka |
| OpenTools Score | ||
| Family | ERNIE | Reka |
| Status | Current | Current |
| Release Date | Oct 2025 | Mar 2025 |
| Context Window | 131K tokens | 66K tokens |
| Input Price | $0.07/M tokens | $0.10/M tokens |
| Output Price | $0.28/M tokens | $0.20/M tokens |
| Capabilities | textcodeextended-thinking | textcode |
| Max Output | 66K tokens | 66K tokens |
| API Identifier | baidu/ernie-4.5-21b-a3b-thinking | rekaai/reka-flash-3 |
| View ERNIE 4.5 21B A3B Thinking | View Reka Flash 3 |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Reka Flash 3Cheapest | $0.10 | $0.10 | $0.20 | — |
| ERNIE 4.5 21B A3B Thinking | $0.07 | $0.14 | $0.21 | +5% |
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.
Reka
Reka Flash 3
Reka Flash 3 is a large language model from Reka. Supports up to 65,536 token context window. Available from $0.10/M input tokens.
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