HASTATAgent stack guide seed
Seed 2.1 Turbo
ByteDance Seed 2.1 Turbo is a multimodal model for coding and long-horizon agent workflows, including end-to-end software delivery and multi-step task execution. It supports text, image, and video input with a 262k context window.
Fresh · fetched 2026-08-17T02:11:57.739Z · Models.dev(opens in a new tab)
Minimum context256K
Output256K
Providers6
CapabilitiesTool calling, Reasoning, Image input
Provider offers
| Providers | Input / 1M | Output / 1M | Cache read / 1M | Context / output | Updated |
|---|---|---|---|---|---|
 NanoGPTbytedance-seed/seed-2-1-turbo | $0.50 | $2.50 | $0.25 | 256K | 2026-08-12 |
 OpenRouterbytedance-seed/seed-2-1-turbo | $0.50 | $2.50 | Unavailable | 256K | 2026-08-12 |
 EmpirioLabs AIseed-2-1-turbo | $0.63 | $3.13 | $0.63 | 256K | 2026-06-23 |
 LLM Gatewayseed-2-1-turbo | $0.50 | $2.50 | Unavailable | 256K | 2026-08-10 |
 Kilo Gatewaybytedance-seed/seed-2-1-turbo | $0.50 | $2.50 | Unavailable | 256K | 2026-08-12 |
 Venice AIseed-2-1-turbo | $0.63 | $3.13 | $0.13 | 256K | 2026-07-24 |
Lowest reported provider price in USD per 1M tokens; unavailable is not free. Provider documentation remains authoritative. Catalogue presence is not an uptime, security, or quality endorsement.
Source metadata and limitations
Capabilities are source-reported. Tool calling does not prove quality in a particular harness. Prices and limits can change.
Modalities: text, image, video → text