Llama 3.1 405B vs Nano Banana 2 (Gemini 3.1 Flash Image)
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Llama 3.1 405B and Nano Banana 2 (Gemini 3.1 Flash Image).
Llama 3.1 405B
Llama 3.1 405B is Meta's largest open-weight language model and one of the most capable openly available models in the world. With 405 billion parameters, it achieves performance competitive with GPT-4 and Claude Opus across benchmarks spanning general knowledge, mathematics, coding, and multilingual tasks. Llama 3.1 405B is released under Meta's custom commercial license, supporting broad use cases including deployment via major cloud providers (AWS, GCP, Azure) and self-hosted inference with multi-GPU configurations.
Nano Banana 2 (Gemini 3.1 Flash Image)
Gemini 3.1 Flash Image, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced...
Technical Specifications
| Specification | Llama 3.1 405B | Nano Banana 2 (Gemini 3.1 Flash Image) |
|---|---|---|
| Provider | Meta | |
| Context Window | 131,072 tokens | 131,072 tokens |
| Agent Suitability | 90/100 | N/A |
| Time to First Token (TTFT) | 550 ms | N/A |
| Deployment Model | self hostable | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2024-07-23 | 2026-06-18 |
API Pricing Comparison
Input Price per Million Tokens
Llama 3.1 405B
$0.80
Nano Banana 2 (Gemini 3.1 Flash Image)
$0.50
Output Price per Million Tokens
Llama 3.1 405B
$0.80
Nano Banana 2 (Gemini 3.1 Flash Image)
$3.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Llama 3.1 405B Quirks & Gotchas
- ▸Massive model — requires 8× A100 80GB for FP16 inference
- ▸Available via Together AI, Fireworks, and Bedrock as managed API
Nano Banana 2 (Gemini 3.1 Flash Image) Quirks & Gotchas
No developer gotchas reported.