---
title: "More of my notes on DeepSeek V4 - the really big news is the pricing: both DeepSeek-V4-Flash and Dee..."
source_name: "Simon Willison(@simonw)"
original_url: "https://x.com/simonw/status/2047556978831208667"
canonical_url: "https://www.traeai.com/articles/c56f448a-ec11-474a-8fa7-7563488ddf48"
content_type: "tweet"
language: "中文"
score: 5
tags: []
published_at: "2026-04-24T06:03:20+00:00"
created_at: "2026-04-24T11:44:49.900517+00:00"
---

# More of my notes on DeepSeek V4 - the really big news is the pricing: both DeepSeek-V4-Flash and Dee...

Canonical URL: https://www.traeai.com/articles/c56f448a-ec11-474a-8fa7-7563488ddf48
Original source: https://x.com/simonw/status/2047556978831208667

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Title: Simon Willison on X: "More of my notes on DeepSeek V4 - the really big news is the pricing: both DeepSeek-V4-Flash and DeepSeek-V4-Pro are the cheapest models in their categories while benchmarking close to the frontier models from other providers
https://t.co/QQ2iFd4BDr https://t.co/0R0DFYYpSx" / X

URL Source: http://x.com/simonw/status/2047556978831208667

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More of my notes on DeepSeek V4 - the really big news is the pricing: both DeepSeek-V4-Flash and DeepSeek-V4-Pro are the cheapest models in their categories while benchmarking close to the frontier models from other providers [simonwillison.net/2026/Apr/24/de](https://t.co/QQ2iFd4BDr)

[![Image 1: Table comparing AI model pricing with columns Model, Input ($/M), Output ($/M): DeepSeek V4 Flash $0.14 $0.28; GPT-5.4 Nano $0.20 $1.25; Gemini 3.1 Flash-Lite $0.25 $1.50; Gemini 3 Flash Preview $0.50 $3; GPT-5.4 Mini $0.75 $4.50; Claude 4.5 Haiku $1 $5; DeepSeek V4 Pro $1.74 $3.48; Gemini 3.1 Pro $2 $12; GPT-5.4 $2.50 $15; Claude Sonnet 4 / 4.5 $3 $15; Claude Opus 4.5 $5 $25; GPT-5.5 $5 $30.](https://pbs.twimg.com/media/HGpiI6qbAAAqZXt?format=png&name=small)](https://x.com/simonw/status/2047556978831208667/photo/1)

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