BByteDance · Released Dec 23, 2025
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. It features a 256k context window and can generate outputs of...
- Released
- Dec 23 2025
- Context window
- 262K 33K out
- Input / 1M tokens
- $0.075 from $0.022
- Output / 1M tokens
- $0.30 from $0.22
Where to run it
6 providers compared
Cheapest: Qiniu at $0.022 / $0.22 per 1M input / output tokens — 61% less than the priciest option.
| Provider | Input | Output | Cache read | Context | Max output | Uptime | vs. best |
|---|---|---|---|---|---|---|---|
| Qiniu | $0.022 | $0.22 | — | 256K | 32K | — | Cheapest |
| Volcengine Ark | $0.022 | $0.22 | $0.004 | 256K | 32K | — | +2% |
| Ofox | $0.03 | $0.22 | $0.004 | 256K | 32K | — | +10% |
| SeedFP8 | $0.075 | $0.30 | — | 262K | 33K | 100%24h | +86% |
| Kilo Gateway | $0.075 | $0.30 | — | 262K | 33K | — | +86% |
| AI/ML API | $0.10 | $0.41 | — | 262K | 33K | — | +155% |
Benchmarks
Benchmark scores
No benchmark scores yet — Epoch AI hasn't evaluated Seed 1.6 Flash. Scores appear here automatically once it does.
Specs
Details
- Model ID
bytedance-seed/seed-1.6-flash- Developer
- ByteDance
- Release date
- Dec 23, 2025 ·
- Context window
- 262,144 tokens
- Max output
- 32,768 tokens
- API price
- $0.075 / $0.30 per 1M input / output tokens
- Providers
- 6
- Input types
- image, text, video
- Reasoning
- Yes
- Tool calling
- Yes
- Open weights
- No
- Free tier
- No
Release date and prices from OpenRouter's catalog; providers from OpenRouter and models.dev. Buying directly from a provider can cost a little differently. Speed, latency and uptime are measured on OpenRouter only; uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.