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 Z.ai: GLM 4.7 Flash
ByteDance Seed: Seed 1.6 Flash wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
As a 30B-class SOTA model, GLM-4.7-Flash offers a new option that balances performance and efficiency. It is further optimized for agentic coding use cases, strengthening coding capabilities, long-horizon task planning, and tool collaborati…
Model details →Side-by-side comparison
| Capability | ByteDance Seed: Seed 1.6 Flash | Z.ai: GLM 4.7 Flash | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 203K | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.07 | $0.06 | 🏆 Z.ai: GLM 4.7 Flash |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.30 | $0.40 | 🏆 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 | Yes | Tie |
Frequently asked questions
Is ByteDance Seed: Seed 1.6 Flash better than Z.ai: GLM 4.7 Flash?
ByteDance Seed: Seed 1.6 Flash wins on 3 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 Z.ai: GLM 4.7 Flash?
Input: $0.07 vs $0.06 per 1M tokens. Output: $0.30 vs $0.40 per 1M tokens.
What context windows do ByteDance Seed: Seed 1.6 Flash and Z.ai: GLM 4.7 Flash support?
ByteDance Seed: Seed 1.6 Flash supports up to 262K tokens. Z.ai: GLM 4.7 Flash supports up to 203K tokens.
Do both ByteDance Seed: Seed 1.6 Flash and Z.ai: GLM 4.7 Flash support tool calling?
ByteDance Seed: Seed 1.6 Flash: yes. Z.ai: GLM 4.7 Flash: yes.