Seed 2.1 Turbo
bytedance-seed/seed-2.1-turboFaster ByteDance Seed 2.1 model for multimodal reasoning and latency-sensitive agent workflows
Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and...
Context
256K
256,000 tokens
Max output
256K
256,000 tokens
Input
$0.35
per 1M tokens
Output
$1.77
per 1M tokens
Providers
8
9 listings
Intelligence
—
Not yet scored
Pricing
USD per 1M tokens · listed by Ofox
| Token type | Standard |
|---|---|
| Input | $0.35 |
| Output | $1.77 |
| Cache read | $0.07 |
| Cache write | $0.0019 |
Lowest input price across providers: Free.
Capabilities
ReasoningYes
On / off
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsYes
Interleaved reasoningYes
Field: reasoning_content
Open weightsNo
ModeratedNo
Input
TextImageVideo
Output
Text
Benchmarks
Published scores and Design Arena Elo
No published benchmark scores for this model yet.
Rankings
Position on each OneAtlas leaderboard
Providers · 8
9 listings
Ofox
NanoGPT
Vercel AI Gateway
Kilo Gateway
Venice AI
EmpirioLabs AI
Volcengine Ark
Volcengine Ark Coding Plan| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EmpirioLabs AI | seed-2-1-turbo | 256K | — | 66K | $0.63 | $3.13 | — | $0.63 | — | — | — | Yes | Yes | Yes | Yes | Jun 23, 2026 |
| Kilo Gateway | bytedance-seed/seed-2-1-turbo | 262K | — | 236K | $0.50 | $2.50 | — | — | — | — | — | Yes | Yes | Yes | Yes | Jun 23, 2026 |
| NanoGPT | bytedance/doubao-seed-2.1-turbo | 256K | 256K | 128K | $0.50 | $2.50 | — | $0.25 | — | — | — | No | No | No | Yes | Jun 23, 2026 |
| NanoGPT | bytedance-seed/seed-2-1-turbo | 262K | 262K | 236K | $0.50 | $2.50 | — | $0.25 | — | — | — | Yes | Yes | Yes | Yes | Jun 23, 2026 |
| Ofox | volcengine/doubao-seed-2.1-turbo | 256K | — | 256K | $0.35 | $1.77 | — | $0.07 | $0.0019 | — | — | Yes | Yes | Yes | Yes | Jun 23, 2026 |
| Venice AI | seed-2-1-turbo | 256K | — | 66K | $0.63 | $3.13 | — | $0.13 | — | — | — | Yes | Yes | Yes | Yes | Jun 23, 2026 |
| Vercel AI Gateway | bytedance/seed-2.1-turbo | 262K | — | 262K | $0.50 | $2.50 | — | $0.10 | — | — | — | Yes | Yes | Yes | Yes | Jun 23, 2026 |
| Volcengine Ark | doubao-seed-2-1-turbo-260628 | 256K | — | 256K | $0.45 | $2.23 | — | $0.09 | — | — | — | Yes | Yes | Yes | Yes | Jun 23, 2026 |
| Volcengine Ark Coding Plan | doubao-seed-2.1-turbo | 256K | — | 256K | Free | Free | — | Free | — | — | — | Yes | Yes | Yes | Yes | Jun 23, 2026 |