Key Takeaways
ERNIE 4.5 21B A3B wins:
- Cheaper input tokens
- Cheaper output tokens
ERNIE 4.5 300B A47B wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
ERNIE 4.5 21B A3B
Benchmark Advantage
ERNIE 4.5 300B A47B
Context Window
ERNIE 4.5 300B A47B
Speed
ERNIE 4.5 300B A47B
Pricing Comparison
Price Comparison
| Metric | ERNIE 4.5 21B A3B | ERNIE 4.5 300B A47B | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.07 | $0.28 | ERNIE 4.5 21B A3B |
| Output (per 1M tokens) | $0.28 | $1.10 | ERNIE 4.5 21B A3B |
Using a 3:1 input/output ratio, ERNIE 4.5 21B A3B is 75% cheaper overall.
ERNIE 4.5 21B A3B Providers
Novita $0.07 (Cheapest)
ERNIE 4.5 300B A47B Providers
SiliconFlow $0.28 (Cheapest)
Novita $0.28 (Cheapest)
Benchmark Comparison
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Benchmarks Compared
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ERNIE 4.5 21B A3B Wins
0
ERNIE 4.5 300B A47B Wins
Benchmark Scores
| Benchmark | ERNIE 4.5 21B A3B | ERNIE 4.5 300B A47B | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | - | 14.9 | - |
Coding Index Code generation & understanding | - | 14.5 | - |
Math Index Mathematical reasoning | - | 41.3 | - |
MMLU Pro Academic knowledge | - | 77.6 | - |
GPQA Graduate-level science | - | 81.1 | - |
LiveCodeBench Competitive programming | - | 46.7 | - |
AIME Competition math | - | 49.3 | - |
ERNIE 4.5 300B A47B significantly outperforms in coding benchmarks.
Cost vs Quality
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Other models
Context & Performance
Context Window
ERNIE 4.5 21B A3B
120,000
tokens
Max output: 8,000 tokens
ERNIE 4.5 300B A47B
123,000
tokens
Max output: 12,000 tokens
ERNIE 4.5 300B A47B has a 2% larger context window.
Speed Performance
| Metric | ERNIE 4.5 21B A3B | ERNIE 4.5 300B A47B | Winner |
|---|---|---|---|
| Tokens/second | N/A | 28.6 tok/s | |
| Time to First Token | N/A | 1.90s |
Capabilities
Feature Comparison
| Feature | ERNIE 4.5 21B A3B | ERNIE 4.5 300B A47B |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | ERNIE 4.5 21B A3B | ERNIE 4.5 300B A47B |
|---|---|---|
| License | Open Source | Open Source |
| Author | Baidu | Baidu |
| Released | Aug 2025 | Jun 2025 |
ERNIE 4.5 21B A3B Modalities
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Output
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ERNIE 4.5 300B A47B Modalities
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Output
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