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ByteDance Seed: Seed 1.6

bytedance-seed/seed-1-6
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Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.

Modalities
In / out per 1M$0.25 / $2.00
Context256K
ReleasedDec 23, 2025

Providers

1 provider serves this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Seedfp8$0.25$2.00Variable2.75s39 tps100%

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

Pricing

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

Input
$0.25
per 1M tokens
Output
$2.00
per 1M tokens
Cache read
—
not published
Included in every pass
Seed 1.6 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.

0.0s50.0s100.0s150.0s200.0s
Oct 11, 2 PMOct 12, 7 PMOct 12, 8 PMOct 12, 9 PMOct 12, 10 PMOct 13, 4 AMOct 13, 5 AMOct 13, 6 AMOct 14, 2 AMOct 14, 3 AMOct 14, 11 AMOct 14, 12 PMOct 14, 1 PM
Median 90th percentile 99th percentile
0 tok/s50 tok/s100 tok/s150 tok/s200 tok/s
Oct 11, 2 PMOct 12, 7 PMOct 12, 8 PMOct 12, 9 PMOct 12, 10 PMOct 13, 4 AMOct 13, 5 AMOct 13, 6 AMOct 14, 2 AMOct 14, 3 AMOct 14, 11 AMOct 14, 12 PMOct 14, 1 PM
Median 90th percentile 99th percentile

Uptime

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

Last 3 daysAvailability 99.96%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 100%
100% 98% 97% 95%
Oct 13, 2:50 PMNow

Apps

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

DeepSeek Harness41.7% of tokens15.4MKoalaBear19.5% of tokens7.2MCherry Studio15.7% of tokens5.8MOpenRouter Maestro15.6% of tokens5.8MGrok-Gevis7.5% of tokens2.8M

Activity

811.0M tokens processed market-wide in the last month.

050.0M100.0M150.0M200.0M
Sep 14Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14
Tokens

FAQ

Which model id do I use for Seed 1.6?
bytedance-seed/seed-1.6. 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 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 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.25 per 1M input tokens and $2.00 per 1M output tokens.
Who built Seed 1.6?
ByteDance Seed, in the Seed family.

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