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Seed 1.6

bytedance-seed·bytedance-seed/seed-1-6·GA·Closed·seed series

ByteDance Seed model for long-context reasoning, instruction following, and tool-assisted tasks

At a glance
Reference price$0.25 / $2.00 per 1M
Cache read $0.05 · Vercel AI Gateway
Lowest paid$0.12 / $0.29
Ofox Gateway · 2.1× spread
Context256,000
⚠ Providers report 256,000–262,144; the table below is authoritative
Output limit32,000
Capabilities
ReasoningTool useStructured outputTemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
ImageTextVideo
Knowledge cutoff2024-10
Released / updated2025-10-15 / 2025-10-15

Quality & performance

Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.

Available at 3 providers3 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Ofox
volcengine/doubao-seed-1-6
Gateway$0.12$0.29$0.023256,00064,000
OpenRouter
bytedance-seed/seed-1.6
Gateway$0.25
tiered >128K: $0.50
$2.00262,14432,768
Vercel AI Gateway
bytedance/seed-1.6
Cloud$0.25$2.00$0.05256,00032,000

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Your usage cost

1Ofox$26.86
2Vercel AI Gateway$126.00
3OpenRouter$150.00
The cheapest paid channel is the only channel.

Benchmark

No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.

Reasoning control

Toggle (on / off)

1 / 3 providers expose no reasoning control (reasoning_options: []).

Related models

Price historyone sample accumulated per data sync

Input list $0.25Output list $2.00Min blended $0.163

Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-15). Each future sync adds a point, and once accumulated a line is drawn here.