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GPT-5.4 Nano vs GLM 5.3 Flash (batch)
List-price comparison ·GPT-5.4 Nano details ·GLM 5.3 Flash (batch) details
For a typical workload (100,000 requests / mo), GLM 5.3 Flash (batch) is the cheapest — 74% less than the priciest here ($19.00/mo vs $74.00/mo).
| GPT-5.4 Nano | GLM 5.3 Flash (batch) | |
|---|---|---|
| Input / 1M tokens | $0.200 | $0.075 |
| Output / 1M tokens | $1.25 | $0.250 |
| Typical request (1,200 in + 400 out) | $0.0007 | $0.0002 |
| Context window | 400k tokens | 1,048,576 tokens |
| Max output | 128k tokens | 943,718 tokens |
| Quality score | 62/100 | 72/100 |
| Tier | Flash | Flash |
| Provider | OpenAI | Z.ai |
Projected monthly cost
| Requests / mo | GPT-5.4 Nano | GLM 5.3 Flash (batch) |
|---|---|---|
| 1,000 | $0.74 | $0.19 |
| 10,000 | $7.40 | $1.90 |
| 100,000 | $74.00 | $19.00 |
GPT-5.4 Nano
Cheapest OpenAI option for high-throughput classification, tagging, and routing — ideal as a first-pass filter before a stronger model.
Limited reasoning depth means it should be treated as a triage layer, not a final answer source, for anything business-critical.
GLM 5.3 Flash (batch)
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.