Thursday, August 27, 2026 · No. 396Prices synced 3 hours ago
All·AI·Model

The AI Model Price Index

Seed 2.1 Pro

by Volcengine Ark · family seed · listed Jun 2026RTV

Flagship ByteDance Seed 2.1 model for complex multimodal reasoning, coding, and agents

Current rates USD per 1M tokens

Input$0.891
Output$4.45
Cache read$0.178
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.14 per 1M tokens$0.14Gemini Flash LatestGemini Flash Latest: $0.75 per 1M tokens$0.75Seed 2.1 ProSeed 2.1 Pro: $0.891 per 1M tokens$0.891GLM-5.2GLM-5.2: $1.40 per 1M tokens$1.40Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00GPT-5.6 SolGPT-5.6 Sol: $4.00 per 1M tokens$4.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.28 per 1M tokens$0.28Gemini Flash LatestGemini Flash Latest: $3.75 per 1M tokens$3.75GLM-5.2GLM-5.2: $4.40 per 1M tokens$4.40Seed 2.1 ProSeed 2.1 Pro: $4.45 per 1M tokens$4.45Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00GPT-5.6 SolGPT-5.6 Sol: $20.00 per 1M tokens$20.00Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00

On the record

Model id
doubao-seed-2-1-pro-260628
Context window
256K tokens
Max output
256K tokens
Input modalities
text, image, video
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
—
Released
2026-06-23
Last updated
2026-06-23
Provider docs
www.volcengine.com/docs/82379/1330310

Back of the envelope

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