Grok 4 VS o3 Mini
xAI · OpenAI · AI Models · Updated Jun 1, 2026
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o3 MiniOpenAI · o3 Mini is 13.6% cheaper
WINNERSide-by-Side Breakdown
| Feature | Grok 4 | o3 Mini | Winner |
|---|---|---|---|
| Input Price | $1.25/1M tkns | $1.10/1M tkns | ✓ o3 Mini |
| Output Price | $2.50/1M tkns | $4.40/1M tkns | ✓ Grok 4 |
| Provider | xAI | OpenAI | — |
| Category | ai-model | ai-model | — |
| context window | 2000000 | 200000 | |
| vision | true | — | |
| modalities | text+vision | text | |
| Overall Winner | 🏆 | o3 Mini |
Grok 4 vs o3 Mini: Quick Summary
o3 Mini is the more affordable choice. Grok 4 costs $1.25/1M tkns vs o3 Mini at $1.10/1M tkns (Input Price). o3 Mini is 13.6% cheaper. Pricing verified as of Jun 1, 2026 — always confirm on the provider's official pricing page before committing.