Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate outputs of up to 16k tokens.
Model details →ByteDance Seed: Seed 1.6 Flash vs Free Models Router
Free Models Router wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
The simplest way to get free inference. openrouter/free is a router that selects free models at random from the models available on OpenRouter. The router smartly filters for models that support features needed for your request such as imag…
Model details →Side-by-side comparison
| Capability | ByteDance Seed: Seed 1.6 Flash | Free Models Router | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 200K | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.07 | $0.00 | 🏆 Free Models Router |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.30 | $0.00 | 🏆 Free Models Router |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is ByteDance Seed: Seed 1.6 Flash better than Free Models Router?
Free Models Router wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between ByteDance Seed: Seed 1.6 Flash and Free Models Router?
Input: $0.07 vs $0.00 per 1M tokens. Output: $0.30 vs $0.00 per 1M tokens.
What context windows do ByteDance Seed: Seed 1.6 Flash and Free Models Router support?
ByteDance Seed: Seed 1.6 Flash supports up to 262K tokens. Free Models Router supports up to 200K tokens.
Do both ByteDance Seed: Seed 1.6 Flash and Free Models Router support tool calling?
ByteDance Seed: Seed 1.6 Flash: yes. Free Models Router: yes.