ByteDance Seed: Seed 1.6 Flash

bytedance-seed/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.

Modalities
In / out per 1M$0.07 / $0.30
Context256K
ReleasedDec 23, 2025

Providers

1 provider serves this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Seedfp8$0.07$0.30Variable0.66s61 tps100%

Market-wide measurements, refreshed every 15 minutes. They describe who serves Seed 1.6 Flash in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what Seed 1.6 Flash costs pay-as-you-go elsewhere, not what you pay here.

Input
$0.07
per 1M tokens
Output
$0.30
per 1M tokens
Cache read
—
not published
Included in every pass
Seed 1.6 Flash is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider, over the last 3 days.

0.0s10.0s20.0s30.0s40.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Median 90th percentile 99th percentile
0 tok/s50 tok/s100 tok/s150 tok/s200 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Median 90th percentile 99th percentile

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 96.7%
Oct 16, 11:00 AMNow
Availability over the last 24 hoursAvailability 96.77%
100% 95% 90% 85%
Oct 18, 11:00 AMNow

Apps

Tools that most often run Seed 1.6 Flash, by tokens this week.

Activity

14.5B tokens processed market-wide in the last month.

0250.0M500.0M750.0M1.0B
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens

FAQ

Which model id do I use for Seed 1.6 Flash?
bytedance-seed/seed-1.6-flash. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does Seed 1.6 Flash hold?
262,144 tokens per request, of which up to 32,768 can be the response.
What can it accept and return?
Input: image, text, video. Output: text.
What does Seed 1.6 Flash cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.07 per 1M input tokens and $0.30 per 1M output tokens.
Who built Seed 1.6 Flash?
ByteDance Seed, in the Seed family.

Explore

Other models your pass can call.