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 Google: Gemini 2.5 Flash
ByteDance Seed: Seed 1.6 Flash wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with grea…
Model details →Side-by-side comparison
| Capability | ByteDance Seed: Seed 1.6 Flash | Google: Gemini 2.5 Flash | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 1.0M | 🏆 Google: Gemini 2.5 Flash |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.07 | $0.30 | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.30 | $2.50 | 🏆 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 | 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 Google: Gemini 2.5 Flash?
ByteDance Seed: Seed 1.6 Flash 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 Google: Gemini 2.5 Flash?
Input: $0.07 vs $0.30 per 1M tokens. Output: $0.30 vs $2.50 per 1M tokens.
What context windows do ByteDance Seed: Seed 1.6 Flash and Google: Gemini 2.5 Flash support?
ByteDance Seed: Seed 1.6 Flash supports up to 262K tokens. Google: Gemini 2.5 Flash supports up to 1.0M tokens.
Do both ByteDance Seed: Seed 1.6 Flash and Google: Gemini 2.5 Flash support tool calling?
ByteDance Seed: Seed 1.6 Flash: yes. Google: Gemini 2.5 Flash: yes.