Gemini 3.1 Pro vs GPT-5.4: Specs & Benchmark Comparison
| Characteristic | Gemini 3.1 Pro | GPT-5.4 |
|---|---|---|
| Company | OpenAI | |
| Release Date | February 19, 2026 | March 5, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 66K | 128K |
| Input Price / 1M | $2.50 | $2.50 |
| Output Price / 1M | $15.00 | $15.00 |
| Average Score | 0.8 | 0.9 |
| Benchmarks | ||
| GPQA | 0.9 | 0.9 |
Visual Benchmark Comparison
Gemini 3.1 Pro
GPT-5.4
GPQA0.9 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: Gemini 3.1 Pro — 0.8, GPT-5.4 — 0.9.
API Cost
API cost is identical: input $2.50/1M, output $15.00/1M tokens.
Context Window
Gemini 3.1 Pro supports a larger context: 1M vs 1M tokens.
Recency
GPT-5.4 is newer: released 3/5/2026 vs 2/19/2026.
More About These Models
Related Comparisons
The Gemini 3.1 Pro and GPT-5.4 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 page. See also the complete list of AI model comparisons.