ByteDanceSeed 1.6 Flash
Seed 1.6 Flash is a ByteDance proprietary model. It is not yet ranked: no independent benchmark results so far, only pricing and metadata. At $0.131 per million tokens blended it is among the cheapest fifth of ranked models. Output speed of 62 tokens per second puts it slower than most, with a first token in 0.5 s.
- Blended price
- $0.131/M
- $0.075 in · $0.300 out
- Output speed
- 62 tok/s
- OpenRouter traffic, 7-day median; not yet measured by Artificial Analysis
- First answer
- 0.54 s
- Context
- 262k
- Full answer
- –
- Cost per run
- –
- Released
- –
- date not published by our sources
No independent quality benchmark results yet — only pricing and metadata.
Where to run it
Every provider serving this model through OpenRouter, with throughput and first-token latency measured on live traffic over the last 30 minutes and each provider’s own price. Purple marks the best in each column.
| Provider | Speed | First token | Input $/M | Output $/M | Context | Quantisation |
|---|---|---|---|---|---|---|
| Seed | 63 tok/s | 0.41 s | $0.075 | $0.300 | 262k | fp8 |
What a task costs
Estimates from list price, output speed and time to first answer for the best configuration. “With caching” assumes three-quarters of the input is served from the prompt cache. Reasoning tokens are not modelled.
| Workload | Tokens in / out | Cost | With caching | Time |
|---|---|---|---|---|
| Chat reply | 400 / 300 | $0.0001 | – | 5.4 s |
| Summarize a 30-page report | 12,000 / 600 | $0.0011 | – | 10.2 s |
| Code edit | 6,000 / 1,500 | $0.0009 | – | 24.7 s |
| Agentic coding session | 60,000 / 4,000 | $0.0057 | – | 1.1 min |
| Structured extraction | 2,000 / 200 | $0.0002 | – | 3.8 s |
More from ByteDance
See also
Questions people ask
- Why does Seed 1.6 Flash have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Seed 1.6 Flash has 0 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
- How much does Seed 1.6 Flash cost per 1M tokens?
- As of 25 Oct 2026, Seed 1.6 Flash costs $0.075 per 1M input tokens and $0.300 per 1M output tokens, $0.131 blended (three input tokens per output token).
Data as of 25 Oct 2026. Compare with another model.
Cite as: BenchLeader, “Seed 1.6 Flash: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/seed-1-6-flash.