Price Per TokenPrice Per Token
Baidu
Baidu
vs
Baidu
Baidu

ERNIE 4.5 21B A3B vs ERNIE 4.5 300B A47B

A detailed comparison of pricing, benchmarks, and capabilities

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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

MetricERNIE 4.5 21B A3BERNIE 4.5 300B A47BWinner
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

7
Benchmarks Compared
0
ERNIE 4.5 21B A3B Wins
0
ERNIE 4.5 300B A47B Wins

Benchmark Scores

BenchmarkERNIE 4.5 21B A3BERNIE 4.5 300B A47BWinner
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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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

MetricERNIE 4.5 21B A3BERNIE 4.5 300B A47BWinner
Tokens/secondN/A28.6 tok/s
Time to First TokenN/A1.90s

Capabilities

Feature Comparison

FeatureERNIE 4.5 21B A3BERNIE 4.5 300B A47B
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyERNIE 4.5 21B A3BERNIE 4.5 300B A47B
LicenseOpen SourceOpen Source
AuthorBaiduBaidu
ReleasedAug 2025Jun 2025

ERNIE 4.5 21B A3B Modalities

Input
text
Output
text

ERNIE 4.5 300B A47B Modalities

Input
text
Output
text

Related Comparisons

Compare ERNIE 4.5 21B A3B with:

Compare ERNIE 4.5 300B A47B with:

Frequently Asked Questions

ERNIE 4.5 21B A3B has cheaper input pricing at $0.07/M tokens. ERNIE 4.5 21B A3B has cheaper output pricing at $0.28/M tokens.
ERNIE 4.5 300B A47B scores higher on coding benchmarks with a score of 14.5, compared to ERNIE 4.5 21B A3B's score of N/A.
ERNIE 4.5 21B A3B has a 120,000 token context window, while ERNIE 4.5 300B A47B has a 123,000 token context window.
ERNIE 4.5 21B A3B does not support vision. ERNIE 4.5 300B A47B does not support vision.