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...
Model details →ByteDance Seed: Seed 1.6 Flash vs Qwen: Qwen3.5-9B (batch)
ByteDance Seed: Seed 1.6 Flash and Qwen: Qwen3.5-9B (batch) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture. It uses a unified vision-language design...
Model details →Side-by-side comparison
| Capability | ByteDance Seed: Seed 1.6 Flash | Qwen: Qwen3.5-9B (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 262K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.07 | $0.17 | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.30 | $0.25 | 🏆 Qwen: Qwen3.5-9B (batch) |
| 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 Qwen: Qwen3.5-9B (batch)?
ByteDance Seed: Seed 1.6 Flash and Qwen: Qwen3.5-9B (batch) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between ByteDance Seed: Seed 1.6 Flash and Qwen: Qwen3.5-9B (batch)?
Input: $0.07 vs $0.17 per 1M tokens. Output: $0.30 vs $0.25 per 1M tokens.
What context windows do ByteDance Seed: Seed 1.6 Flash and Qwen: Qwen3.5-9B (batch) support?
ByteDance Seed: Seed 1.6 Flash supports up to 262K tokens. Qwen: Qwen3.5-9B (batch) supports up to 262K tokens.
Do both ByteDance Seed: Seed 1.6 Flash and Qwen: Qwen3.5-9B (batch) support tool calling?
ByteDance Seed: Seed 1.6 Flash: yes. Qwen: Qwen3.5-9B (batch): yes.