DeepSeek V4 Flash 0731 API pricing

Capability scores

Epoch AI

Maths3 of 4 benchmarks59

Science and knowledge2 of 2 benchmarks61

CodingNot tested by Epoch

Reasoning and puzzles2 of 2 benchmarks28

Agents and long tasksNot tested by Epoch

Each bar is this model's score in that area. The white tick marks the best score any model Epoch has tested reaches there.

Epoch Capabilities Index

155

Range 153 to 157 · #41 of 271 models Epoch has scored

Maths

59average of 3 of 4 Epoch results

FrontierMath (tiers 1 to 3) (max)58%

FrontierMath (tier 4) (max)24%

OTIS Mock AIME (max)94%

Science and knowledge

61average of 2 of 2 Epoch results

GPQA Diamond (max)91%

SimpleQA Verified (max)34%

Reasoning and puzzles

28average of 2 of 2 Epoch results

Chess puzzles (max)32%

Mystery game puzzles (max)34%

The index combines many benchmarks into one general-capability score; the range is how sure Epoch is of the number. Each area score is this site's average of the model's Epoch results in that area, where 0 is what guessing would score and 100 is perfect. Compare every model, and value for money →

Source: Epoch AI, Capabilities & benchmarking (licensed CC BY 4.0). Data refreshed 2 November 2026. These are Epoch's own tests; other benchmark sites can rank models differently.

Cheaper models that come close

Our working on Epoch's index

GLM-5.3-Flash · Z.ai (Zhipu AI)index 153.22 (2 below) · 70% cheaper

Models within 5 points of DeepSeek V4 Flash 0731 on Epoch's Capabilities Index that cost less, comparing a typical chat mix (three parts input to one part output). A few points of index is a small difference and says nothing about your task: a place to start testing, not a verdict. Capability against price for every model.

Specification

USD per million tokens

Provider: DeepSeek
Model id: deepseek/deepseek-v4-flash-0731
Input: $0.12
Output: $0.24
Cached input: $0.024
Context window: 1.0M tokens
Maximum output: 944K tokens
Takes: text
Returns: text
Tool use: Yes
Reasoning: Yes
Released: 31 Jul 2026
First tracked: 17 Sept 2026

At $0.12 per million input tokens, DeepSeek V4 Flash 0731 is dearer than 76 of the 340 models on the price list.

Price changes

Tracked since 17 Sept 2026

No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.

Want an email when this model's price changes? Tell us →

DeepSeek V4 Flash 0731 API pricing.