Seed 1.6 Flash
Seed 1.6 Flash is worth evaluating for rag, agents, and long context when its provider route and context window match the workload.
Use it for
- Teams evaluating rag, agents, and long context
- Workloads that can use a 256k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Workloads where another current model has stronger sourced task evidence
- Family
- Seed
- Released
- 2026-03-01
- Context
- 256k
- Architecture
- Decoder Only
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
- Training
- Pretrained
Cheapest of 1 route · Volcengine
About
Seed 1.6 Flash is ByteDance Seed's ultra-fast multimodal thinking model supporting text and visual understanding at 256K context, optimized for low-latency inference.
Seed 1.6 Flash is a proprietary model in the Seed family. The structured metadata tracks a 256k-token context window, multimodal input, reasoning, function calling, tool use, and structured outputs. This page tracks provider routes through Volcengine. No headline benchmark score is tracked for Seed 1.6 Flash yet.
Top use-case fit: coding, agents, and build tasks
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| Volcengine | - | - | ServerlessPartial |
Capabilities
Benchmark peer barsfor RAG
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Frequently asked questions
What is the context window of Seed 1.6 Flash?
Seed 1.6 Flash has a context window of 256k tokens.
When was Seed 1.6 Flash released?
Seed 1.6 Flash was released on 2026-03-01.
Which providers offer Seed 1.6 Flash?
Seed 1.6 Flash is available from 1 provider: Volcengine.
Cheapest of 1 route · Volcengine