GLM-5.3 → GLM-5.3 Flash: cost per request on six tasks
GLM-5.3 Flash costs about 89% less than GLM-5.3 per request on six common tasks. It costs no more per result that works if its results work first time at least 11% as often as GLM-5.3's on search re-ranking, and 12% as often on translation.
List prices per million tokens
| Model | Input | Cached input | Output |
|---|---|---|---|
| GLM-5.3 | $1.40 | $0.26 | $4.40 |
| GLM-5.3 Flash | $0.15 | $0.03 | $0.50 |
Prices checked 2026-11-12.
Cost per 1,000 requests
| Task | GLM-5.3 | GLM-5.3 Flash | Change | Cheaper per result that works if it works first time at least |
|---|---|---|---|---|
| Support bot answerInstructions, three help-centre passages and the customer's question in; a short answer out. | $5.52 | $0.60 | 89% less | 11% as often as GLM-5.3 |
| Invoice field extractionInstructions and one invoice's text in; about 15 fields as JSON out. | $4.60 | $0.50 | 89% less | 11% as often as GLM-5.3 |
| Lead scoringScoring rules and one lead's form answers in; a score and a one-line reason out. | $2.12 | $0.23 | 89% less | 11% as often as GLM-5.3 |
| Email reply draftInstructions and the email thread so far in; a reply of about 300 words out. | $3.86 | $0.42 | 89% less | 12% as often as GLM-5.3 |
| TranslationInstructions and about 500 words of text in; the same text in another language out. | $4.78 | $0.54 | 89% less | 12% as often as GLM-5.3 |
| Search re-rankingA search query and 20 result snippets in; the ids of the best five, in order, out. | $5.82 | $0.63 | 89% less | 11% as often as GLM-5.3 |
Token counts are typical sizes, not measurements.
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