OpenAI: GPT-5.4 Mini vs OpenAI: GPT-5.4
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| OpenAI: GPT-5.4 Mini | OpenAI: GPT-5.4 | |
|---|---|---|
| Vendor | openai | openai |
| Quality Score | 100 | 100 |
| Benchmark Score | 70.8 | 89.6 |
| Input Price | $0.75/M | $2.50/M |
| Output Price | $4.50/M | $15.00/M |
| Context Window | 400,000 | 1,050,000 |
| Max Output | 128,000 | 128,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 66.0 | 84.8 |
| ai_index_agentic | 49.8 | 67.8 |
| ai_index_coding | 92.5 | 100.0 |
| eqbench | - | 75.6 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, GPT-5.4 Mini costs $1.88 and GPT-5.4 costs $6.25, so GPT-5.4 Mini is about 3.3 times cheaper for the same work.
GPT-5.4 reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 600 pages for GPT-5.4 Mini.
On our blended benchmark score GPT-5.4 leads 89.6 to 70.8.
Across the 20 tasks where they differ, GPT-5.4 Mini scores higher on 4 (Code Completion, JSON Extraction, Bulk Data Labeling and others), GPT-5.4 on 16 (SQL Generation, Code Review, Code Refactoring and others).
Pick GPT-5.4 Mini if you need lower cost; pick GPT-5.4 if you need long documents, benchmark performance or the stronger all-round task scores.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
Who wins by task?
| Task | OpenAI: GPT-5.4 Mini | OpenAI: GPT-5.4 |
|---|---|---|
| SQL Generation | 164 | 174 |
| Code Review | 159 | 175 |
| Code Completion | 132 | 120 |
| Code Refactoring | 158 | 173 |
| Bug Fixing | 170 | 187 |
| Unit Test Generation | 148 | 158 |
| Code Documentation | 140 | 146 |
| Regex Writing | 132 | 136 |
| CI/CD Pipelines | 139 | 149 |
| Frontend Component Design | 141 | 148 |
| Data Analysis | 160 | 173 |
| CSV / Spreadsheet Cleanup | 151 | 157 |
| ETL Scripting | 149 | 161 |
| JSON Extraction | 146 | 137 |
| Bulk Data Labeling | 133 | 122 |
| OCR / Document Parsing | 144 | 148 |
| Table Extraction from PDFs | 144 | 148 |
| Long-Document Summarization | 154 | 167 |
| Short-Form Summarization | 129 | 122 |
| Blog Post Writing | 136 | 143 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →