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DeepSeek: DeepSeek V4 Flash 0731

🇨🇳 DeepSeek · DeepSeek V4

Input Price $0.045 per million tokens NT$1.4
Output Price $0.090 per million tokens NT$2.9
Context Window 1.31M 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 $0.045 per million input tokens and $0.090 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 1.31M-token context window (≈1,966 pages of text) means entire repositories or document collections can be processed without chunking. On Artificial Analysis's Intelligence Index it scores 52 (A 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 $0.045 NT$1.4
Output per 1M tokens $0.090 NT$2.9
Cached Input per 1M tokens $0.0090 NT$0.29

Provider
DeepSeek
Model Family
DeepSeek V4
Version String
deepseek/deepseek-v4-flash-0731
Status
Active
Modality
Text
Context Window
1,310,720 tokens
Output Limit
943,718 tokens

Index Metrics

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

Agentic Index 48 A Measured: 2026-08-29
Coding Index 69 S Measured: 2026-08-29
Intelligence Index 52 A Measured: 2026-08-29

Benchmark Scores

Data source: Artificial Analysis

AA-LCR 74.3% B Measured: 2026-08-29
GPQA Diamond 90.8% S Measured: 2026-08-29
HLE 38.6% S Measured: 2026-08-29
Non-Hallucination 8.3% Measured: 2026-08-29
Omniscience Accuracy 40.4% Measured: 2026-08-29
SciCode 49.9% A Measured: 2026-08-29

Performance Metrics

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

First Token Latency 1.2s Measured: 2026-08-29
Output Speed 119 t/s Measured: 2026-08-29
Response Time 22.2s Measured: 2026-08-29

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 $0.0090 OpenRouter
Output $0.090 OpenRouter
Input $0.045 OpenRouter
Cached Input $0.010 OpenRouter
Output $0.100 OpenRouter
Input $0.050 OpenRouter
Cached Input $0.010 OpenRouter
Output $0.100 OpenRouter
Input $0.050 OpenRouter
Cached Input $0.012 OpenRouter
Output $0.120 OpenRouter
Input $0.060 OpenRouter
Cached Input $0.0080 OpenRouter
Output $0.080 OpenRouter
Input $0.040 OpenRouter
Cached Input $0.013 OpenRouter
Output $0.132 OpenRouter
Input $0.066 OpenRouter
Cached Input $0.016 OpenRouter
Output $0.180 OpenRouter
Input $0.080 OpenRouter
Cached Input $0.016 OpenRouter
Output $0.180 OpenRouter
Input $0.080 OpenRouter
Cached Input $0.016 OpenRouter
Output $0.180 OpenRouter
Input $0.080 OpenRouter
Cached Input $0.028 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.028 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.028 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.028 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.028 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.028 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.028 OpenRouter
Output $0.280 OpenRouter
Input $0.140 OpenRouter
Cached Input $0.016 OpenRouter
Output $0.180 OpenRouter

Key Insights

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

  • DeepSeek: DeepSeek V4 Flash 0731 Input price: $0.045/M tokens
  • DeepSeek: DeepSeek V4 Flash 0731 Output price: $0.09/M tokens
  • Context window: 1,310,720 tokens
  • Provider: DeepSeek
  • Model family: DeepSeek V4
  • Modalities: Text
  • Data source: OpenRouter, updated daily