GPT-5.4 vs Grok 3
Both have similar output pricing, while GPT-5.4 offers a larger context window. Choose GPT-5.4 or Grok 3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.4 | Grok 3 |
|---|---|---|
| Provider | OpenAI | Poe |
| Input / 1M tokens | $2.50 | $3.00 |
| Output / 1M tokens | $15.00 | $15.00 |
| Context window | 1.1M | 131K |
| Parameters | — | 3T |
| Open weights | No | No |
| Released | Mar 2026 | Apr 2025 |
| LiveBench score | 80.9 | — |
| LMArena (Chatbot Arena) Elo score | 1469 | — |
| LMArena WebDev Elo score | 1463 | — |
| LMArena Vision Elo score | 1303 | — |
| GPQA Diamond score | 93.3 | — |
| FrontierMath score | 47.6 | — |
| Epoch Capabilities Index score | 157 | 138 |
| Aider Polyglot score | — | 53.3 |
FAQ
Is GPT-5.4 or Grok 3 cheaper?
GPT-5.4 and Grok 3 have comparable output pricing.
Which has the larger context window, GPT-5.4 or Grok 3?
GPT-5.4 has the larger context window (1.1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.