Comparison
GPT-4o vs Grok 4.3
GPT-4o charges 50% more per input token than Grok 4.3. Output pricing favors Grok 4.3, 75% less per token than GPT-4o. Grok 4.3 has the larger context window than GPT-4o.
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | GPT-4o | Grok 4.3 |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $400.00 | $150.00cheaper |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $660.00 | $277.50cheaper |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $325.00 | $143.75cheaper |
GPT-4o vs Grok 4.3 FAQ
- Is GPT-4o cheaper than Grok 4.3?
- GPT-4o costs $2.50 per 1M input tokens versus $1.25 for Grok 4.3 — Grok 4.3 is 100% cheaper per input token.
- Which is cheaper for output tokens, GPT-4o or Grok 4.3?
- GPT-4o charges $10.00 per 1M output tokens; Grok 4.3 charges $2.50 per 1M output tokens.
- Which has the larger context window, GPT-4o or Grok 4.3?
- Grok 4.3 does, with a 1,000,000-token context window.
- Do GPT-4o and Grok 4.3 offer cache pricing?
- GPT-4o discounts cached input to $1.25 per 1M tokens. Grok 4.3 discounts cached input to $0.20 per 1M tokens.
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