Grok 4.20 Reasoning (Vertex AI (OpenAI-compatible)) vs Seed 1.6 Flash (250715) (ByteDance)
Seed 1.6 Flash (250715) (ByteDance) is cheaper on output tokens, while Grok 4.20 Reasoning (Vertex AI (OpenAI-compatible)) offers a larger context window. Choose Grok 4.20 Reasoning (Vertex AI (OpenAI-compatible)) 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 | Grok 4.20 Reasoning (Vertex AI (OpenAI-compatible)) | Seed 1.6 Flash (250715) (ByteDance) |
|---|---|---|
| Provider | LLM Gateway | LLM Gateway |
| Input / 1M tokens | $1.25 | $0.07 |
| Output / 1M tokens | $2.50 | $0.30 |
| Context window | 2M | 256K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Mar 2026 | Jul 2025 |
Grok 4.20 Reasoning (Vertex AI (OpenAI-compatible)) details →Seed 1.6 Flash (250715) (ByteDance) details →
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.