Gemini 3 Flash vs Gemini 3.1 Pro: Specs & Benchmark Comparison
| Characteristic | Gemini 3 Flash | Gemini 3.1 Pro |
|---|---|---|
| Company | ||
| Release Date | December 16, 2025 | February 19, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 66K | 66K |
| Input Price / 1M | $0.50 | $2.50 |
| Output Price / 1M | $3.00 | $15.00 |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.9 |
| MMMLU | 0.9 | 0.9 |
Visual Benchmark Comparison
Gemini 3 Flash
Gemini 3.1 Pro
GPQA0.9 vs 0.9
0.9
0.9
MMMLU0.9 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 Flash — 0.9, Gemini 3.1 Pro — 0.8.
API Cost
Gemini 3 Flash is 5.0x cheaper: input $0.50/1M vs $2.50/1M tokens.
Context Window
Same context size: 1M tokens.
Recency
Gemini 3.1 Pro is newer: released 2/19/2026 vs 12/16/2025.
More About These Models
Related Comparisons
The Gemini 3 Flash and Gemini 3.1 Pro 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 Flash or Gemini 3.1 Pro page. See also the complete list of AI model comparisons.