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

The AI Model Price Index

Seed 1.8

by Volcengine Ark · family seed · listed Dec 2025RTV

ByteDance Seed model for multimodal reasoning, long-context analysis, and agent workflows

Current rates USD per 1M tokens

Input$0.119
Output$1.19
Cache read$0.0238
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
Seed 1.8Seed 1.8: $0.119 per 1M tokens$0.119DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.14 per 1M tokens$0.14Gemini Flash LatestGemini Flash Latest: $0.75 per 1M tokens$0.75GLM-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$0.28Seed 1.8Seed 1.8: $1.19 per 1M tokens$1.19Gemini Flash LatestGemini Flash Latest: $3.75 per 1M tokens$3.75GLM-5.2GLM-5.2: $4.40 per 1M tokens$4.40Grok 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-1-8-251228
Context window
256K tokens
Max output
64K tokens
Input modalities
text, image
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
—
Released
2025-12-28
Last updated
2025-12-28
Provider docs
www.volcengine.com/docs/82379/1330310

Back of the envelope

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