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Seed 1.6 Flash

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

Creator
ByteDance
Lifecycle
Active
Context
262.1K
Max output
32.8K
Released
Dec 23, 2025
Status
unknown
Input
$0.07 / 1M tokens
Output
$0.30 / 1M tokens
Cached read
/ 1M tokens
Cached write
/ 1M tokens
Batch discount
%
Source
OpenRouter
Verified
Apr 5, 2026 (High)

Capabilities

Modalities
imagetextvideotext
Capabilities
reasoningimageInputfunctionCallingstructuredOutputs
Official Links

Benchmark Coverage

BenchmarkVersionScoreDateSourceNotes

Release History

ReleaseAliasLifecycleRelease DateDeprecationShutdownSummary
Seed 1.6 Flashbytedance-seed-seed-1-6-flashActiveDec 23, 2025Model available via OpenRouter.

Host Coverage

HostTypeContextPricing NoteDifferences
OpenRouteraggregator262.1K$0.07/1M in · $0.30/1M out via OpenRouter
Migration Guidance

Change Events
DateTypeTitleDescriptionSource
Dec 23, 2025family_addedSeed 1.6 Flash publishedModel made available via OpenRouter.OpenRouter

Other models from ByteDance

Seed 1.6, Seed-2.0-Lite, Seed-2.0-Mini