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GPT-5.4 Mini vs GLM 5
List-price comparison ·GPT-5.4 Mini details ·GLM 5 details
For a typical workload (100,000 requests / mo), GLM 5 is the cheapest — 45% less than the priciest here ($148.80/mo vs $270.00/mo).
| GPT-5.4 Mini | GLM 5 | |
|---|---|---|
| Input / 1M tokens | $0.750 | $0.600 |
| Output / 1M tokens | $4.50 | $1.92 |
| Typical request (1,200 in + 400 out) | $0.0027 | $0.0015 |
| Context window | 400k tokens | 204,800 tokens |
| Max output | 128k tokens | 128k tokens |
| Quality score | 80/100 | 80/100 |
| Tier | Balanced | Balanced |
| Provider | OpenAI | Z.ai |
Projected monthly cost
| Requests / mo | GPT-5.4 Mini | GLM 5 |
|---|---|---|
| 1,000 | $2.70 | $1.49 |
| 10,000 | $27.00 | $14.88 |
| 100,000 | $270.00 | $148.80 |
GPT-5.4 Mini
Good default for everyday chat, summarization, and lightweight agent steps where GPT-5.4-level reasoning isn't required.
Quality gap widens on long, multi-hop reasoning tasks — needs careful prompt design to avoid silent failures on edge cases.
GLM 5
Auto-synced from OpenRouter — no editorial write-up yet.
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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.