GPT-5.4 vs GPT-5.4 mini: Specs & Benchmark Comparison
| Characteristic | GPT-5.4 | GPT-5.4 mini |
|---|---|---|
| Company | OpenAI | OpenAI |
| Release Date | March 5, 2026 | March 1, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 400K |
| Context (output) | 128K | 128K |
| Input Price / 1M | $2.50 | $0.42 |
| Output Price / 1M | $15.00 | $5.50 |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| Tau2 Telecom | 1.0 | 0.9 |
| GPQA | 0.9 | 0.9 |
| OmniDocBench 1.5 | 0.9 | 0.9 |
Visual Benchmark Comparison
GPT-5.4
GPT-5.4 mini
Tau2 Telecom1.0 vs 0.9
1.0
0.9
GPQA0.9 vs 0.9
0.9
0.9
OmniDocBench 1.50.9 vs 0.9
0.9
0.9
Verdict
Both models show equal results — the choice depends on your specific use case.
Overall Performance
Both models show comparable average scores: GPT-5.4 — 0.9, GPT-5.4 mini — 0.8.
API Cost
GPT-5.4 mini is 3.0x cheaper: input $0.42/1M vs $2.50/1M tokens.
Context Window
GPT-5.4 supports a larger context: 1M vs 400K tokens.
Recency
Both models were released around the same time: 3/5/2026 and 3/1/2026.
More About These Models
Related Comparisons
The GPT-5.4 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-5.4 or GPT-5.4 mini page. See also the complete list of AI model comparisons.