GLM 4.5 Air vs GLM 4.5: local, rented GPU, and API costs

Compare calculated local requirements, provider-published rented-GPU rates, and dated API rates or clearly labeled size estimates for GLM 4.5 Air and GLM 4.5. Spanvero adds $0 markup.

GLM 4.5 Air vs GLM 4.5 — cost comparison

Which should you pick?

• Easiest to run locally: GLM 4.5 Air (needs ~76 GB VRAM at its default quant).
• Cheapest via your own API key: GLM 4.5 Air ($0.49/1M blended).
• Cheapest to rent by the hour: GLM 4.5 Air (from $0.42/hr on one rented box).
• Longest context: Either — same context window.

VRAM is calculated from catalog specs, quantization, and context. Non-estimated API rates are provider-sourced snapshots dated 2026-08-24; retired upstream rates are last-known and size-derived values are labeled "est." We don't rank model quality or quote benchmarks here.

Full cost breakdown: GLM 4.5 Air →
Full cost breakdown: GLM 4.5 →

Open the free LLM cost calculator → to model your workload, hardware, monthly cost, and reliability assumptions.

Related comparisons

• DeepSeek-V3 vs GLM 4.5
• Qwen3-235B-A22B vs GLM 4.5
• Kimi K2 Instruct vs GLM 4.5
• gpt-oss-120b vs GLM 4.5 Air
• Llama 4 Scout (17B-16E) vs GLM 4.5 Air
• GLM 4.5 Air vs Qwen3 Next 80B A3B Instruct

Spanvero · All comparisons · Prices as of 2026-08-24. $0 markup, your own accounts, we never resell compute. © 2026 Cynosure LLC.