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 Qwen: Qwen3 Coder Next
ByteDance Seed: Seed 1.6 Flash wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Qwen3-Coder-Next is an open-weight causal language model optimized for coding agents and local development workflows. It uses a sparse MoE design with 80B total parameters and only 3B activated per token, delivering performance comparable t…
Model details →Side-by-side comparison
| Capability | ByteDance Seed: Seed 1.6 Flash | Qwen: Qwen3 Coder Next | 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 | $0.12 | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.30 | $0.75 | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 ByteDance Seed: Seed 1.6 Flash |
Frequently asked questions
Is ByteDance Seed: Seed 1.6 Flash better than Qwen: Qwen3 Coder Next?
ByteDance Seed: Seed 1.6 Flash wins on 4 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 Qwen: Qwen3 Coder Next?
Input: $0.07 vs $0.12 per 1M tokens. Output: $0.30 vs $0.75 per 1M tokens.
What context windows do ByteDance Seed: Seed 1.6 Flash and Qwen: Qwen3 Coder Next support?
ByteDance Seed: Seed 1.6 Flash supports up to 262K tokens. Qwen: Qwen3 Coder Next supports up to 262K tokens.
Do both ByteDance Seed: Seed 1.6 Flash and Qwen: Qwen3 Coder Next support tool calling?
ByteDance Seed: Seed 1.6 Flash: yes. Qwen: Qwen3 Coder Next: yes.