Seed 1.6 Flash
Provider：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...
Key specs
- Context：262.1K
- Max output：32.8K
- Tokenizer：Other
- Released：2025-12-23
Token pricing
- Input price：$0.075 / 1M tokens
- Output price：$0.300 / 1M tokens
- Blended price：$0.131 / 1M tokens
Modalities
Image, Text, Video
Use Cases
- Deep Reasoning & Analysis：Process long legal docs, academic papers, financial reports; multi-hop reasoning and evidence-chain tracing across huge contexts.（≈ $0.0024/call）
- Vision Understanding & Generation：Recognize data trends in charts, OCR scanned docs, analyze photos and produce structured reports.（≈ $0.0018/call）
- Chat & Support：FAQ auto-response, multi-turn dialogue, emotion detection — e-commerce, finance, gov.（≈ $0.0015/turn）
When to pick this model
Signals derived from public pricing and spec fields — not a benchmark. Validate with official docs and your own eval.
- Low input + output price: solid fit for high-frequency calls and batch processing.
- Low blended price: budget-friendly for fleet-scale deployment.
- Long max output (>=30K tokens): strong fit for deep report / essay / document-drafting workflows.
- Multimodal (text+image): fit for image captioning, OCR, chart QA, vision-grounded reasoning.
- Video input support: fit for video understanding, frame QA, content moderation.
FAQ
- What is the token pricing of Seed 1.6 Flash? Input price $0.075 / 1M tokens, output price $0.300 / 1M tokens, blended about $0.131 / 1M tokens. Refer to ByteDance Seed’s official page for the exact rate.
- What context window does Seed 1.6 Flash support? Context window is 262.1K, max output about 32.8K, suitable for long documents, multi-turn chat and complex reasoning.
- What scenarios is Seed 1.6 Flash best for? Based on its capability and pricing, Seed 1.6 Flash fits best: Deep Reasoning & Analysis, Vision Understanding & Generation, Chat & Support. See the Use Cases section for details and cost estimates.
- What input/output modalities does Seed 1.6 Flash support? Supports Image, Text, Video modality.
- Is Seed 1.6 Flash a free model? Seed 1.6 Flash is billed per token, not a free model.
- Which provider offers Seed 1.6 Flash? Seed 1.6 Flash is offered by ByteDance Seed.
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Full info：Seed 1.6 Flash