GPT-5 High vs GPT-5.4 mini: Specs & Benchmark Comparison
| Characteristic | GPT-5 High | GPT-5.4 mini |
|---|---|---|
| Company | OpenAI | OpenAI |
| Release Date | August 6, 2025 | March 1, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 400K | 400K |
| Context (output) | 128K | 128K |
| Input Price / 1M | $2.00 | $0.42 |
| Output Price / 1M | $8.00 | $5.50 |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.9 |
Visual Benchmark Comparison
GPT-5 High
GPT-5.4 mini
GPQA0.9 vs 0.9
0.9
0.9
Verdict
GPT-5.4 mini leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5 High — 0.9, GPT-5.4 mini — 0.8.
API Cost
GPT-5.4 mini is 1.7x cheaper: input $0.42/1M vs $2.00/1M tokens.
Context Window
Same context size: 400K tokens.
Recency
GPT-5.4 mini is newer: released 3/1/2026 vs 8/6/2025.
More About These Models
Related Comparisons
The GPT-5 High and GPT-5.4 mini comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5 High or GPT-5.4 mini page. See also the complete list of AI model comparisons.