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Creator unverified · current

Seed 2.1 Pro

Seed 2.1 Pro is listed with its creator unverified. It accepts text, image, and video input and produces text output. Reported capabilities include reasoning, tool calling, and structured output.

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Report an errorModel and price history

Modalities

Hosted provider token rates

$0.7072 / $3.536

USD per 1M input / output tokens · Ofox

Context

256K

Released

2026-06-23

Knowledge cutoff

Unknown

No recent lab-operated provider rate is available. Showing the third-party host with the lowest input rate + ¼ output rate. This is one offering, not an average; other providers, modalities, tiers, and fees may differ.

Where to use it

3 observed offerings · token prices in USD per million where available

Estimate your workload cost
Ofox

volcengine/doubao-seed-2.1-pro

current

Input

$0.7072

Output

$3.536

Cache

$0.1416

Context

256K

Max output

256K
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

Volcengine Ark

doubao-seed-2-1-pro-260628

current

Input

$0.8906

Output

$4.453

Cache

$0.1781

Context

256K

Max output

256K
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

NanoGPT

bytedance/doubao-seed-2.1-pro

current

Input

$1

Output

$5

Cache

$0.50

Context

256K

Max output

128K
Reasoning
No
Tool calling
No
Structured output
No
Temperature
Yes

Recent price

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Capabilities and limits

Input
text, image, video
Output
text
Max output
256K
Weights
Closed (source-reported)
Release
2026-06-23
Knowledge cutoff
Unknown
Family
seed

Reasoning · Tool calling · Structured output · Vision

Provider-specific limits and support can differ.

Plan a model evaluation

Evaluate quality and latency on examples from your intended use before choosing a model.

Explore available evidence

Models to compare

Candidates match reported specifications; they are not tested replacements.

Seed CharacterCreator unverified · 256K contextCompare →Seed EvolvingCreator unverified · 256K contextCompare →Qwen/Qwen3-VL-32B-ThinkingAlibaba · 262K contextCompare →

Model and price history

Price history (114 observations)
DateProviderInput / output
2026-11-03NanoGPT$1 / $5
2026-11-03Ofox$0.7072 / $3.536
2026-11-03Volcengine Ark$0.8906 / $4.453
2026-11-02NanoGPT$1 / $5
2026-11-02Ofox$0.7072 / $3.536
2026-11-02Volcengine Ark$0.8906 / $4.453
2026-11-01NanoGPT$1 / $5
2026-11-01Ofox$0.7072 / $3.536
2026-11-01Volcengine Ark$0.8906 / $4.453
2026-10-31NanoGPT$1 / $5
2026-10-31Ofox$0.7072 / $3.536
2026-10-31Volcengine Ark$0.8906 / $4.453
2026-10-30NanoGPT$1 / $5
2026-10-30Ofox$0.7072 / $3.536
2026-10-30Volcengine Ark$0.8906 / $4.453
2026-10-29NanoGPT$1 / $5
2026-10-29Ofox$0.7072 / $3.536
2026-10-29Volcengine Ark$0.8906 / $4.453
2026-10-28NanoGPT$1 / $5
2026-10-28Ofox$0.7072 / $3.536
2026-10-28Volcengine Ark$0.8906 / $4.453
2026-10-27NanoGPT$1 / $5
2026-10-27Ofox$0.7072 / $3.536
2026-10-27Volcengine Ark$0.8906 / $4.453
2026-10-27NanoGPT$1 / $5
2026-10-27Ofox$0.7072 / $3.536
2026-10-27Volcengine Ark$0.8906 / $4.453
2026-10-27NanoGPT$1 / $5
2026-10-27Ofox$0.7072 / $3.536
2026-10-27Volcengine Ark$0.8906 / $4.453
2026-10-27NanoGPT$1 / $5
2026-10-27Ofox$0.7072 / $3.536
2026-10-27Volcengine Ark$0.8906 / $4.453
2026-10-26NanoGPT$1 / $5
2026-10-26Ofox$0.7072 / $3.536
2026-10-26Volcengine Ark$0.8906 / $4.453
2026-10-25NanoGPT$1 / $5
2026-10-25Ofox$0.7072 / $3.536
2026-10-25Volcengine Ark$0.8906 / $4.453
2026-10-24NanoGPT$1 / $5
2026-10-24Ofox$0.7072 / $3.536
2026-10-24Volcengine Ark$0.8906 / $4.453
2026-10-24NanoGPT$1 / $5
2026-10-24Ofox$0.7072 / $3.536
2026-10-24Volcengine Ark$0.8906 / $4.453
2026-10-24NanoGPT$1 / $5
2026-10-24Ofox$0.7072 / $3.536
2026-10-24Volcengine Ark$0.8906 / $4.453
2026-10-23NanoGPT$1 / $5
2026-10-23Ofox$0.7072 / $3.536
2026-10-23Volcengine Ark$0.8906 / $4.453
2026-10-23NanoGPT$1 / $5
2026-10-23Ofox$0.7072 / $3.536
2026-10-23Volcengine Ark$0.8906 / $4.453
2026-10-23NanoGPT$1 / $5
2026-10-23Ofox$0.7072 / $3.536
2026-10-23Volcengine Ark$0.8906 / $4.453
2026-10-23NanoGPT$1 / $5
2026-10-23Ofox$0.7072 / $3.536
2026-10-23Volcengine Ark$0.8906 / $4.453
2026-10-23NanoGPT$1 / $5
2026-10-23Ofox$0.7072 / $3.536
2026-10-23Volcengine Ark$0.8906 / $4.453
2026-10-22NanoGPT$1 / $5
2026-10-22Ofox$0.7072 / $3.536
2026-10-22Volcengine Ark$0.8906 / $4.453
2026-10-21NanoGPT$1 / $5
2026-10-21Ofox$0.7072 / $3.536
2026-10-21Volcengine Ark$0.8906 / $4.453
2026-10-20NanoGPT$1 / $5
2026-10-20Ofox$0.7072 / $3.536
2026-10-20Volcengine Ark$0.8906 / $4.453
2026-10-19NanoGPT$1 / $5
2026-10-19Ofox$0.7072 / $3.536
2026-10-19Volcengine Ark$0.8906 / $4.453
2026-10-18NanoGPT$1 / $5
2026-10-18Ofox$0.7072 / $3.536
2026-10-18Volcengine Ark$0.8906 / $4.453
2026-10-17NanoGPT$1 / $5
2026-10-17Ofox$0.7072 / $3.536
2026-10-17Volcengine Ark$0.8906 / $4.453
2026-10-12NanoGPT$1 / $5
2026-10-12Ofox$0.7072 / $3.536
2026-10-12Volcengine Ark$0.8906 / $4.453
2026-10-12NanoGPT$1 / $5
2026-10-12Ofox$0.7072 / $3.536
2026-10-12Volcengine Ark$0.8906 / $4.453
2026-10-11NanoGPT$1 / $5
2026-10-11Ofox$0.7072 / $3.536
2026-10-11Volcengine Ark$0.8906 / $4.453
2026-10-10NanoGPT$1 / $5
2026-10-10Ofox$0.7072 / $3.536
2026-10-10Volcengine Ark$0.8906 / $4.453
2026-10-09NanoGPT$1 / $5
2026-10-09Ofox$0.7072 / $3.536
2026-10-09Volcengine Ark$0.8906 / $4.453
2026-10-09Ofox$0.7072 / $3.536
2026-10-09Volcengine Ark$0.8906 / $4.453
2026-10-08Ofox$0.7072 / $3.536
2026-10-08Volcengine Ark$0.8906 / $4.453
2026-10-07Ofox$0.7072 / $3.536
2026-10-07Volcengine Ark$0.8906 / $4.453
2026-09-22Ofox$0.7072 / $3.536
2026-09-22Volcengine Ark$0.8906 / $4.453
2026-09-21Ofox$0.7072 / $3.536
2026-09-21Volcengine Ark$0.8906 / $4.453
2026-09-20Ofox$0.7072 / $3.536
2026-09-20Volcengine Ark$0.8906 / $4.453
2026-09-19Ofox$0.7072 / $3.536
2026-09-19Volcengine Ark$0.8906 / $4.453
2026-09-18Ofox$0.7072 / $3.536
2026-09-18Volcengine Ark$0.8906 / $4.453
2026-09-17Ofox$0.7072 / $3.536
2026-09-17Volcengine Ark$0.8906 / $4.453