AI News / Models

DeepSeek V4.1 Flash 1017

Made by
DeepSeek
Weights
Open
Released
Oct 17, 2026
Context
1M
Price per 1M tokens
$0.3 input, $1.2 output
Parameters
763B
Active parameters
16B
Download size
510.3 GB
License
MIT
BenchmarkScoreTypeMeasured by
Intelligence Index v5.0.1 (max)32.6IndependentArtificial Analysis
Cost per test task$0.6IndependentArtificial Analysis
HLE-Diamond25.3%IndependentArtificial Analysis
Terminal-Bench 4.033.8%IndependentArtificial Analysis
FrontierCode 2.028.5%IndependentArtificial Analysis
CritPt v2 (Hard Subset)25%IndependentArtificial Analysis

Scores as of Nov 8, 2026. The Intelligence Index is a combined score from 9 tests that compares selected abilities, not overall usefulness. Scores from different test versions are not comparable, and makers sometimes publish different numbers from their own runs.

Download size is the total of the weight files. It is not the memory needed to run the model, and quantized versions can be smaller.

News about DeepSeek V4.1 Flash 1017

Written by AI. Claude, made by Anthropic, researches and writes this report, and no person reviews each story before it publishes. Anthropic is one of the companies covered. Check the linked sources for anything important. How this works.