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Comparison · 2 models · Updated Nov 2, 2026

ERNIE 4.5 21B A3B vs Gemma 3n E2B IT

ERNIE 4.5 21B A3B comes out ahead, 25 to 21 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Baidu

    ERNIE 4.5 21B A3B

    Released Jun 30, 2025

    25/100
    • ECI—
    • Price$0.07 / $0.28
    • Context131K
    Full specs Remove ERNIE 4.5 21B A3B

  2. Google

    Gemma 3n E2B IT

    Released Jun 26, 2025

    21/100
    • ECI—
    • Price—
    • Context33K
    Full specs Remove Gemma 3n E2B IT

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

ERNIE 4.5 21B A3B is our pick

ERNIE 4.5 21B A3B is the better all-round choice, scoring 25/100 against Gemma 3n E2B IT (21). It leads on context window. Gemma 3n E2B IT wins on inputs & features. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceERNIE 4.5 21B A3BERNIE 4.5 21B A3B $0.122 per 1M tokens (3:1 blend) · Gemma 3n E2B IT unpriced
  • Longest contextERNIE 4.5 21B A3BERNIE 4.5 21B A3B 131,072 · Gemma 3n E2B IT 32,768 tokens
  • Widest inputsGemma 3n E2B ITERNIE 4.5 21B A3B: Text · Gemma 3n E2B IT: Text, Images, Audio
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightERNIE 4.5 21B A3BGemma 3n E2B IT
Inputs & features60%2535
Context window40%250
Overall100%25/10021/100

Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

ERNIE 4.5 21B A3B vs Gemma 3n E2B IT specifications side by side
SpecificationERNIE 4.5 21B A3BBaiduGemma 3n E2B ITGoogle
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.07—
Output$0.28—
Cached input——
Blended (3:1)$0.122—
Long-context rateSame rate—
Price sourceMedian of 1 providers—
Limits
Context window131,072 tokens (best)32,768 tokens
Max output8,000 tokens32,768 tokens (best)
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoNo
AudioNoYes
VideoNoNo
ReasoningNoNo
Tool callingYesNo
Structured outputNoNo
Availability
WeightsOpenApache-2.0OpenGemma Terms of Use
API model ID——
API providers1—
ReleasedJun 30, 2025Jun 26, 2025
Knowledge cutoff—Jun 2024
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • ERNIE 4.5 21B A3B$1.26
  • Gemma 3n E2B IT—
04 — Questions

Which should you choose?

Which is better: ERNIE 4.5 21B A3B or Gemma 3n E2B IT?

ERNIE 4.5 21B A3B is the better all-round choice, scoring 25/100 against Gemma 3n E2B IT (21). It leads on context window. Gemma 3n E2B IT wins on inputs & features. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, ERNIE 4.5 21B A3B or Gemma 3n E2B IT?

ERNIE 4.5 21B A3B is cheaper at $0.07 input / $0.28 output per million tokens (median across 1 API provider). . At a typical mix of three input tokens to one output token, that is $0.122 per million tokens for ERNIE 4.5 21B A3B versus . Gemma 3n E2B IT has no published per-token price.

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. ERNIE 4.5 21B A3B has not been scored yet and Gemma 3n E2B IT has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for ERNIE 4.5 21B A3B and Gemma 3n E2B IT yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that Gemma 3n E2B IT does not support tool calling, which most coding agents need.

Which has the bigger context window?

ERNIE 4.5 21B A3B has the largest context window at 131,072 tokens, against 32,768 for Gemma 3n E2B IT. Maximum output per response: ERNIE 4.5 21B A3B up to 8,000, Gemma 3n E2B IT up to 32,768 tokens.

Which can read images, PDFs, audio or video?

ERNIE 4.5 21B A3B accepts text; Gemma 3n E2B IT accepts text, images and audio. Gemma 3n E2B IT handles the widest range of inputs.

Are any of these open source?

Yes, both publish their weights (Apache-2.0 and Gemma Terms of Use), so you can self-host them.

Which is newer?

ERNIE 4.5 21B A3B is the newest, released Jun 30, 2025. Gemma 3n E2B IT came out Jun 26, 2025. Knowledge cutoff: Gemma 3n E2B IT Jun 2024.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.

05 — Keep comparing

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