Friday, August 21, 2026 · No. 390Prices synced 4 hours ago
All·AI·Model

The AI Model Price Index

Seed 2.1 Pro

by Ofox · 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$0.707
Output$3.54
Cache read$0.142
Cache write$0.002

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.435 per 1M tokens$0.435Seed 2.1 ProSeed 2.1 Pro: $0.707 per 1M tokens$0.707Gemini 3.7 FlashGemini 3.7 Flash: $0.75 per 1M tokens$0.75Mistral Medium 3.5Mistral Medium 3.5: $1.50 per 1M tokens$1.50Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00GPT-5.6 SolGPT-5.6 Sol: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.87 per 1M tokens$0.87Seed 2.1 ProSeed 2.1 Pro: $3.54 per 1M tokens$3.54Gemini 3.7 FlashGemini 3.7 Flash: $3.75 per 1M tokens$3.75Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00Mistral Medium 3.5Mistral Medium 3.5: $7.50 per 1M tokens$7.50Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00GPT-5.6 SolGPT-5.6 Sol: $30.00 per 1M tokens$30.00

On the record

Model id
volcengine/doubao-seed-2.1-pro
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
ofox.ai/docs

Back of the envelope

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