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Comparison · 2 models · Updated Nov 2, 2026

ERNIE 4.5 300B A47B vs GLM-4.5-Air

GLM-4.5-Air comes out ahead, 48 to 43 on our weighted score, and it is the cheaper option too.

  1. Baidu

    ERNIE 4.5 300B A47B

    Released Jun 30, 2025

    43/100
    • ECI—
    • Price$0.28 / $1.10
    • Context131K
    Full specs Remove ERNIE 4.5 300B A47B
  2. Our pick

    Z.ai (Zhipu)

    GLM-4.5-Air

    Released Jul 28, 2025

    48/100
    • ECI—
    • Price$0.20 / $1.10
    • Context131K
    Full specs Remove GLM-4.5-Air

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

GLM-4.5-Air is our pick

GLM-4.5-Air is the better all-round choice, scoring 48/100 against ERNIE 4.5 300B A47B (43). It leads on price and inputs & features. The score weighs price 50%, inputs & features 30%, context window 20%. 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 priceGLM-4.5-AirGLM-4.5-Air $0.425 · ERNIE 4.5 300B A47B $0.485 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameERNIE 4.5 300B A47B 131,072 · GLM-4.5-Air 131,072 tokens
  • Widest inputsSame inputsERNIE 4.5 300B A47B: Text · GLM-4.5-Air: Text
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightERNIE 4.5 300B A47BGLM-4.5-Air
Price50%6265
Inputs & features30%2535
Context window20%2525
Overall100%43/10048/100

Left out because at least one model lacks the data: capability. 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 300B A47B vs GLM-4.5-Air specifications side by side
SpecificationERNIE 4.5 300B A47BBaiduGLM-4.5-AirZ.ai (Zhipu)
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.28$0.20 (best)
Output$1.10$1.10
Cached input—$0.03
Blended (3:1)$0.485$0.425 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 1 providersOfficial Z.AI API
Limits
Context window131,072 tokens131,072 tokens
Max output12,000 tokens98,304 tokens (best)
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningNoYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsOpenApache-2.0Open
API model ID—glm-4.5-air
API providers119 (best)
ReleasedJun 30, 2025Jul 28, 2025
Knowledge cutoff—Apr 2025
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 300B A47B$5.00
  • GLM-4.5-Air$4.20
04 — Questions

Which should you choose?

Which is better: ERNIE 4.5 300B A47B or GLM-4.5-Air?

GLM-4.5-Air is the better all-round choice, scoring 48/100 against ERNIE 4.5 300B A47B (43). It leads on price and inputs & features. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, ERNIE 4.5 300B A47B or GLM-4.5-Air?

GLM-4.5-Air is cheaper at $0.20 input / $1.10 output per million tokens (official Z.AI API price). ERNIE 4.5 300B A47B costs $0.28 input / $1.10 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $0.425 per million tokens for GLM-4.5-Air versus $0.485 for ERNIE 4.5 300B A47B (1.1× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. ERNIE 4.5 300B A47B has not been scored yet and GLM-4.5-Air has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for ERNIE 4.5 300B A47B and GLM-4.5-Air yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

ERNIE 4.5 300B A47B and GLM-4.5-Air share the same 131,072-token context window. Maximum output per response: ERNIE 4.5 300B A47B up to 12,000, GLM-4.5-Air up to 98,304 tokens.

Which can read images, PDFs, audio or video?

ERNIE 4.5 300B A47B accepts text; GLM-4.5-Air accepts text. They handle the same number of input types.

Are any of these open source?

Yes, both publish their weights (Apache-2.0), so you can self-host them.

Which is newer?

GLM-4.5-Air is the newest, released Jul 28, 2025. ERNIE 4.5 300B A47B came out Jun 30, 2025. Knowledge cutoff: GLM-4.5-Air Apr 2025.

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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