Volcengine
Seed 2.1 Pro
Flagship ByteDance Seed 2.1 model for complex multimodal reasoning, coding, and agents
Cheapest input
$0.8625
$/MTok · LiteLLM
Cheapest output
$4.31
$/MTok
Context
256K
tokens
Sources
2
3 listings
Price changes
Cheapest list input/output only. Rates move rarely, so this is an event log. Down means cheaper. Showing the 8 latest changes.
- ↓ lowerOutput $4.45 → $4.31
- ↓ lowerInput $0.8906 → $0.8625
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| LiteLLMcheapestdoubao-seed-2-1-pro-260628 | N/A | $0.8625 | $4.31 | $0.1725 | N/A |
| LiteLLMcheapestvolcengine/doubao-seed-2-1-pro-260628 | N/A | $0.8625 | $4.31 | $0.1725 | N/A |
| models.devdoubao-seed-2-1-pro-260628 | Volcengine Ark | $0.8906 | $4.45 | $0.1781 | 256K |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: video
- Out: text
Released: 2026-06-23Family: seed
Run this model in a real workspace
Launch agents from the project they work in, use remote management to reach another machine, and see this model's sessions and token usage in your own history. Free to use, runs on your device.
Data and list-price estimates may contain mistakes. Not investment advice.