Gemini 3.1 Pro vs GPT-5.4 mini: Specs & Benchmark Comparison
| Characteristic | Gemini 3.1 Pro | GPT-5.4 mini |
|---|---|---|
| Company | OpenAI | |
| Release Date | February 19, 2026 | March 1, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 400K |
| Context (output) | 66K | 128K |
| Input Price / 1M | $2.50 | $0.42 |
| Output Price / 1M | $15.00 | $5.50 |
| Average Score | 0.8 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.9 |
| MMMU-Pro | 0.8 | 0.8 |
Visual Benchmark Comparison
Gemini 3.1 Pro
GPT-5.4 mini
GPQA0.9 vs 0.9
0.9
0.9
MMMU-Pro0.8 vs 0.8
0.8
0.8
Verdict
Both models show equal results — the choice depends on your specific use case.
Overall Performance
Both models show comparable average scores: Gemini 3.1 Pro — 0.8, 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
Gemini 3.1 Pro supports a larger context: 1M vs 400K tokens.
Recency
Both models were released around the same time: 2/19/2026 and 3/1/2026.
More About These Models
Related Comparisons
The Gemini 3.1 Pro 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 Gemini 3.1 Pro or GPT-5.4 mini page. See also the complete list of AI model comparisons.