Gemini 3.1 Pro (Preview) (Google Vertex AI) vs Seed 1.6 Flash (250715) (ByteDance)
Seed 1.6 Flash (250715) (ByteDance) is cheaper on output tokens, while Gemini 3.1 Pro (Preview) (Google Vertex AI) offers a larger context window. Choose Gemini 3.1 Pro (Preview) (Google Vertex AI) or Seed 1.6 Flash (250715) (ByteDance) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3.1 Pro (Preview) (Google Vertex AI) | Seed 1.6 Flash (250715) (ByteDance) |
|---|---|---|
| Provider | LLM Gateway | LLM Gateway |
| Input / 1M tokens | $2.00 | $0.07 |
| Output / 1M tokens | $12.00 | $0.30 |
| Context window | 1M | 256K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Feb 2026 | Jul 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.