head-to-head
xAI: Grok 4.20 vs OpenAI: GPT-5.4 Mini
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-04-30.
| xAI: Grok 4.20 | OpenAI: GPT-5.4 Mini | |
|---|---|---|
| Vendor | x-ai | openai |
| Quality Score | 100 | 100 |
| Input Price | $2.00/M | $0.75/M |
| Output Price | $6.00/M | $4.50/M |
| Context Window | 2,000,000 | 400,000 |
| Max Output | - | 128,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
Who wins by task?
| Task | xAI: Grok 4.20 | OpenAI: GPT-5.4 Mini |
|---|---|---|
| SQL Generation | 133 | 133 |
| Code Completion | 118 | 130 |
| Code Documentation | 130 | 130 |
| Regex Writing | 118 | 119 |
| CSV / Spreadsheet Cleanup | 133 | 133 |
| JSON Extraction | 122 | 130 |
| Bulk Data Labeling | 119 | 128 |
| Long-Document Summarization | 137 | 137 |
| Short-Form Summarization | 114 | 123 |
| Blog Post Writing | 121 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
Related comparisons
NVIDIA: Nemotron 3 Nano Omni (free) vs xAI: Grok 4.20
NVIDIA: Nemotron 3 Nano Omni (free) vs OpenAI: GPT-5.4 Mini
Anthropic Claude Haiku Latest vs xAI: Grok 4.20
Anthropic Claude Haiku Latest vs OpenAI: GPT-5.4 Mini
OpenAI GPT Mini Latest vs xAI: Grok 4.20
OpenAI GPT Mini Latest vs OpenAI: GPT-5.4 Mini
Google Gemini Pro Latest vs xAI: Grok 4.20
Google Gemini Pro Latest vs OpenAI: GPT-5.4 Mini