Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Grok 3 Reasoning Beta | GPT-5.4 nano (Non-Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0 | $0.2 |
| Output ($/M tokens) | $0 | $1.25 |
Data from Artificial Analysis API — 12 benchmarks
Grok 3 Reasoning Beta is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.46/M for GPT-5.4 nano (Non-Reasoning).
GPT-5.4 nano (Non-Reasoning) wins 7 out of 12 benchmarks compared to 0 for Grok 3 Reasoning Beta. See the detailed benchmark chart above for per-category results.
GPT-5.4 nano (Non-Reasoning) generates tokens faster at 177 tok/s vs 0 tok/s. Grok 3 Reasoning Beta also has lower time-to-first-token (0.00s vs 0.47s).
Choose based on your priorities: Grok 3 Reasoning Beta for lower cost, GPT-5.4 nano (Non-Reasoning) for stronger benchmark performance, and GPT-5.4 nano (Non-Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.