Nano Banana 2 (Gemini 3.1 Flash Image) vs Gemma 4 (Google)
Which one should you pick? Here's the full breakdown.
Nano Banana 2 (Gemini 3.1 Flash Image)
Google's Gemini 3.1 Flash Image model -- the best-in-class text-in-image renderer, now the default across the Gemini app
Gemma 4 (Google)
Google DeepMind's open-weights model family -- multimodal, 256K context, runs on edge devices
| Category | Nano Banana 2 (Gemini 3.1 Flash Image) | Gemma 4 (Google) |
|---|---|---|
| Ease of Use | 9.5 | 7.0 |
| Output Quality | 9.5 | 8.0 |
| Value | 8.5 | 10.0 |
| Features | 8.0 | 8.0 |
| Overall | 8.9 | 8.3 |
Pricing Comparison
| Feature | Nano Banana 2 (Gemini 3.1 Flash Image) | Gemma 4 (Google) |
|---|---|---|
| Free Tier | Yes | Yes |
| Starting Price | $0 | $0 |
Benchmark Head-to-Head
Gemma 4 31B benchmarks — Nano Banana 2 (Gemini 3.1 Flash Image) has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| MMLU | Knowledge across 57 subjects | 83% |
| GPQA Diamond | Graduate-level science questions | 84.3% |
| AIME 2024 | Competition math problems | 89.2% |
| HumanEval | Python code generation | 85% |
Which Should You Pick?
Pick Nano Banana 2 (Gemini 3.1 Flash Image) if...
- ✓Higher output quality (9.5 vs 8)
- ✓Easier to use (9.5 vs 7)
Designers, marketers, and content creators who need readable text in images (social posts, ad creative, book covers, infographics, event flyers) and who are already using or willing to pay for Gemini. If any part of your commercial design work requires typography to look right, Nano Banana 2 is the 2026 leader.
Visit Nano Banana 2 (Gemini 3.1 Flash Image)Pick Gemma 4 (Google) if...
- ✓Better value for money (10/10)
Developers and businesses who need a permissively licensed multimodal LLM they can self-host or fine-tune. Especially good for multilingual use cases and on-device deployment.
Visit Gemma 4 (Google)Our Verdict
Nano Banana 2 (Gemini 3.1 Flash Image) edges out Gemma 4 (Google) with a 8.9 vs 8.3 overall score. Both are solid picks, but Nano Banana 2 (Gemini 3.1 Flash Image) has the advantage in output quality.