Seed 1.6 Flash
Fast and lightVisionToolsByteDance Seed · Released December 2025
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...
Facts and pricing
- Provider
- ByteDance Seed
- Context window
- 262K tokens
- Input price
- 0.83 credits / 1M tokens ($0.075 raw)
- Output price
- 3.3 credits / 1M tokens ($0.30 raw)
- Vision (image input)
- Yes
- Tool calling
- Yes
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.
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What Seed 1.6 Flash is best for
- High-volume everyday tasks where speed and cost matter: summaries, drafts, quick questions
- Long documents: the 262K-token window holds lengthy reports, contracts or papers whole
- Working with images: screenshots, charts, photos and scanned documents alongside text
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
ByteDance Seed family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Seed-2.0-Lite | 262K | 2.8 | 22.0 | March 2026 |
| Seed-2.0-Mini | 262K | 1.1 | 4.4 | February 2026 |
| Seed 1.6 Flash | 262K | 0.83 | 3.3 | December 2025 |
| Seed 1.6 | 262K | 2.8 | 22.0 | December 2025 |
Frequently asked questions
- What is Seed 1.6 Flash?
- Seed 1.6 Flash is an AI model by ByteDance Seed. 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...
- How much does Seed 1.6 Flash cost on Zeplik?
- Input tokens cost 0.83 credits per million and output tokens 3.3 credits per million (1 credit = $0.10; the raw provider rates are $0.075 and $0.30 per million). New accounts start with free credits.
- How long can a conversation with Seed 1.6 Flash be?
- Seed 1.6 Flash has a 262K-token context window (262,144 tokens), which covers the conversation plus any documents you attach.
- Does Seed 1.6 Flash support images and tools?
- Seed 1.6 Flash accepts image input and supports tool calling.
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