Grok 4.3 → GPT-5.4 mini: cost per request on six tasks
GPT-5.4 mini costs between 37% less and 37% more than Grok 4.3 per request on six common tasks. It costs no more per result that works if its results work first time at least 63% as often as Grok 4.3's on search re-ranking, and 37% more often on translation.
List prices per million tokens
| Model | Input | Cached input | Output |
|---|---|---|---|
| Grok 4.3 | $1.25 | $0.20 | $2.50 |
| GPT-5.4 mini | $0.75 | $0.075 | $4.50 |
Prices checked 2026-11-12.
Cost per 1,000 requests
| Task | Grok 4.3 | GPT-5.4 mini | 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. | $4.50 | $3.60 | 20% less | 80% as often as Grok 4.3 |
| Invoice field extractionInstructions and one invoice's text in; about 15 fields as JSON out. | $3.75 | $3.00 | 20% less | 80% as often as Grok 4.3 |
| Lead scoringScoring rules and one lead's form answers in; a score and a one-line reason out. | $1.75 | $1.35 | 23% less | 78% as often as Grok 4.3 |
| Email reply draftInstructions and the email thread so far in; a reply of about 300 words out. | $2.88 | $2.93 | 2% more | 2% more often than Grok 4.3 |
| TranslationInstructions and about 500 words of text in; the same text in another language out. | $3.13 | $4.28 | 37% more | 37% more often than Grok 4.3 |
| Search re-rankingA search query and 20 result snippets in; the ids of the best five, in order, out. | $5.13 | $3.23 | 37% less | 63% as often as Grok 4.3 |
Token counts are typical sizes, not measurements.
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