Monday, September 7, 2026 · No. 407Prices synced 5 hours ago
All·AI·Model

The AI Model Price Index

Seed 1.8

by Ofox · family seed · listed Dec 2025RTV

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

Current rates USD per 1M tokens

Input$0.12
Output$0.29
Cache read$0.023
Cache write

Against the market

Input price vs. maker flagships ($/1M tokens)
Seed 1.8Seed 1.8: $0.12 per 1M tokens$0.12DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.14 per 1M tokens$0.14Qwen3.8 FlashQwen3.8 Flash: $0.15 per 1M tokens$0.15Gemini 3.8 FlashGemini 3.8 Flash: $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$2.00Claude Fable 5.1Claude Fable 5.1: $10.00 per 1M tokens$10.00GPT-6 AstraGPT-6 Astra: $10.00 per 1M tokens$10.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.28 per 1M tokens$0.28Seed 1.8Seed 1.8: $0.29 per 1M tokens$0.29Qwen3.8 FlashQwen3.8 Flash: $0.47 per 1M tokens$0.47Gemini 3.8 FlashGemini 3.8 Flash: $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$6.00Claude Fable 5.1Claude Fable 5.1: $50.00 per 1M tokens$50.00GPT-6 AstraGPT-6 Astra: $50.00 per 1M tokens$50.00

On the record

Model id
volcengine/doubao-seed-1-8
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
ofox.ai/docs

Back of the envelope

← All Ofox listings