Models/ByteDance Seed/Seed 1.6 Flash

Seed 1.6 Flash

Name: Seed 1.6 Flash API access
Brand: ByteDance Seed

ByteDance Seed · Proprietary · Released Dec 23, 2025 · bytedance-seed/seed-1.6-flash

Best $0.075 in / $0.30 out via Seed · fp8

Compare Estimate cost

262K contextVisionToolsReasoningStructured output

Available from 1 providerUSD / MTOK · PRICES 23 MINUTES AGO · SPEED 9 DAYS AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
Seed	$0.075	$0.30	—	262K	fp8	0.76s	155 tok/s	100.0%

TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 9 days ago

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About

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...

Specifications

Context window262,144

Max output32,768

Modalities inimage, text, video

Modalities outtext

LicenseProprietary

ReleasedDec 23, 2025

TokenizerOther

Seed 2.1 Turbo$0.50 / $2.50 Seed-2.0-Code$0.50 / $3.00 Seed-2.0-Lite$0.25 / $2.00 Seed-2.0-Mini$0.10 / $0.40

Embed badge

[![Seed 1.6 Flash](https://modelindex.ai/badge/bytedance-seed/seed-1.6-flash)](https://modelindex.ai/models/bytedance-seed/seed-1.6-flash)

Sources

OpenRouter API23 minutes ago

AGGREGATOR

ModelIndex benchmarks9 days ago

MEASURED

Verified 23 minutes ago · list prices, not negotiated rates.