Comparison
GPT-5.4 mini vs Grok 4.3
Grok 4.3 charges 40% more per input token than GPT-5.4 mini. Grok 4.3 is 44% cheaper on output tokens. Grok 4.3 accepts more context per request than GPT-5.4 mini.
| Field | GPT-5.4 mini | Grok 4.3 |
|---|---|---|
| Provider | OpenAI | xAI |
| Context window | 400K | 1M |
| Max output | 128K | — |
| Input / 1M | $0.7540% cheaper | $1.25 |
| Output / 1M | $4.50 | $2.5044% cheaper |
| Cached input / 1M | $0.07563% cheaper | $0.20 |
| Batch discount | 50% | — |
| Release date | 2026-03-17 | — |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | GPT-5.4 mini | Grok 4.3 |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $150.00 | $150.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $229.50cheaper | $277.50 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $108.75cheaper | $143.75 |
GPT-5.4 mini vs Grok 4.3 FAQ
- Is GPT-5.4 mini cheaper than Grok 4.3?
- GPT-5.4 mini costs $0.75 per 1M input tokens versus $1.25 for Grok 4.3 — GPT-5.4 mini is 40% cheaper per input token.
- Which is cheaper for output tokens, GPT-5.4 mini or Grok 4.3?
- GPT-5.4 mini charges $4.50 per 1M output tokens; Grok 4.3 charges $2.50 per 1M output tokens.
- Which has the larger context window, GPT-5.4 mini or Grok 4.3?
- Grok 4.3 does, with a 1,000,000-token context window.
- Do GPT-5.4 mini and Grok 4.3 offer cache pricing?
- GPT-5.4 mini discounts cached input to $0.075 per 1M tokens. Grok 4.3 discounts cached input to $0.20 per 1M tokens.
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