GLM 5 Abliterated vs GLM 4.5 Air

Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.

GLM 5 Abliterated

skyblanket · 753.9B

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GLM 4.5 Air

zai-org · 110.5B

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Specifications

GLM 5 AbliteratedGLM 4.5 Air
Parameters753.9B110.5B
Context203K131K
ArchitectureGlmMoeDsaForCausalLMGlm4MoeForCausalLM
LicenseApache 2.0MIT
Downloads263359.8K
ReleasedFeb 2026Aug 2025

VRAM by Quantization: GLM 5 Abliterated vs GLM 4.5 Air

QuantizationBitsGLM 5 Abliterated VRAMGLM 4.5 Air VRAM
Q2_K3.40324.6 GB47.4 GB
Q3_K_M3.90371.7 GB54.3 GB
Q3_K_S3.50334.0 GB48.8 GB
Q4_04.00381.2 GB55.7 GB
Q4_K_M4.80456.5 GB66.7 GB
Q5_K_M5.70541.4 GB79.1 GB
Q6_K6.60626.2 GB91.6 GB
Q8_08.00758.1 GB110.9 GB

Verdict

GLM 4.5 Air needs less VRAM at Q4_K_M (66.7 GB vs 456.5 GB), so it fits on smaller GPUs. GLM 5 Abliterated supports a longer context window (203K tokens). GLM 4.5 Air is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, GLM 5 Abliterated or GLM 4.5 Air?

At Q4_K_M, GLM 5 Abliterated needs 456.5 GB and GLM 4.5 Air needs 66.7 GB, so GLM 4.5 Air is the lighter option to run locally.

Which has a longer context window, GLM 5 Abliterated or GLM 4.5 Air?

GLM 5 Abliterated supports 202,752 tokens and GLM 4.5 Air supports 131,072 tokens.

What is the difference between GLM 5 Abliterated and GLM 4.5 Air?

GLM 5 Abliterated is a 753.9B model from skyblanket (GLM family), while GLM 4.5 Air is a 110.5B model from zai-org (GLM family). Compare their VRAM requirements above to see which fits your GPU or Mac.