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DeepSeek: DeepSeek V4 Flash 0731

🇨🇳 DeepSeek · DeepSeek V4

Input Price $0.140 per million tokens NT$4.5
Output Price $0.280 per million tokens NT$9.0
Context Window 1.05M tokens Output limit: 944K
OpenRouter Route Price Please verify with official pricing pages
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Overview

DeepSeek: DeepSeek V4 Flash 0731 is a large language model API from DeepSeek, part of its DeepSeek V4 model family. At $0.140 per million input tokens and $0.280 per million output tokens, it sits in the budget tier — among the cheaper options for high-throughput or cost-sensitive workloads. Output tokens cost about 2× as much as input, so prompt-heavy workloads run noticeably cheaper than generation-heavy ones. An exceptionally large 1.05M-token context window (≈1,573 pages of text) means entire repositories or document collections can be processed without chunking. On Artificial Analysis's Intelligence Index it scores 34 (C grade), a useful proxy for its general reasoning strength relative to the other models tracked here. All prices on this page reflect OpenRouter's routed rates and are re-synced automatically every day; confirm against the provider's official pricing before committing to production.

Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $0.140 NT$4.5
Output per 1M tokens $0.280 NT$9.0
Cached Input per 1M tokens $0.050 NT$1.6

Provider
DeepSeek
Model Family
DeepSeek V4
Version String
deepseek/deepseek-v4-flash-0731
Status
Active
Modality
Text
Context Window
1,048,576 tokens
Output Limit
943,718 tokens

Index Metrics

Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis

Agentic Index 42 B Measured: 2026-09-08
Coding Index 69 S Measured: 2026-09-08
Intelligence Index 34 C Measured: 2026-10-14

Benchmark Scores

Data source: Artificial Analysis

AA-LCR 79.7% A Measured: 2026-10-14
GPQA Diamond 90.8% S Measured: 2026-10-14
Non-Hallucination 8.3% Measured: 2026-10-14
Omniscience Accuracy 40.4% Measured: 2026-10-14
SciCode 50.3% A Measured: 2026-10-14

Performance Metrics

Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis

First Token Latency 1.2s Measured: 2026-10-14
Output Speed 174 t/s Measured: 2026-10-14
Response Time 15.6s Measured: 2026-10-14

90-Day Price Trend

Input / Output price (USD per 1M tokens)

Past 90 days of records; every price change is shown here

Date Dimension Price (USD) Source
Cached Input $0.050 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.030 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.050 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.030 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.030 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.027 OpenRouter
Output $0.650 OpenRouter
Input $0.050 OpenRouter
Cached Input $0.035 OpenRouter
Output $0.350 OpenRouter
Input $0.175 OpenRouter
Cached Input $0.035 OpenRouter
Output $0.350 OpenRouter
Input $0.175 OpenRouter
Cached Input $0.0060 OpenRouter
Output $1.41 OpenRouter
Input $0.0060 OpenRouter
Cached Input $0.015 OpenRouter
Output $1.28 OpenRouter
Input $0.015 OpenRouter
Cached Input $0.015 OpenRouter
Output $1.28 OpenRouter
Input $0.015 OpenRouter
Cached Input $0.015 OpenRouter
Output $1.28 OpenRouter
Input $0.015 OpenRouter
Cached Input $0.019 OpenRouter
Output $1.28 OpenRouter
Input $0.019 OpenRouter
Cached Input $0.0051 OpenRouter
Output $1.28 OpenRouter
Input $0.0051 OpenRouter
Cached Input $0.011 OpenRouter
Output $1.28 OpenRouter

Key Insights

Key data points from this page for quick reference and citation.

  • DeepSeek: DeepSeek V4 Flash 0731 Input price: $0.14/M tokens
  • DeepSeek: DeepSeek V4 Flash 0731 Output price: $0.28/M tokens
  • Context window: 1,048,576 tokens
  • Provider: DeepSeek
  • Model family: DeepSeek V4
  • Modalities: Text
  • Data source: OpenRouter, updated daily