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DeepSeek-V4-Flash-Max

DeepSeek

DeepSeek-V4-Flash-Max is the highest-effort variant of the DeepSeek-V4-Flash line, released in April 2026. It tops DeepSeek's competitive programming results and delivers near-perfect scores on CodeForces while retaining an efficient MoE architecture. It is served first-party by DeepSeek's own API.

Key Specifications

Parameters
284.0B
Context
1.0M
Release Date
April 23, 2026
Average Score
93.8%

Timeline

Key dates in the model's history
Announcement
April 23, 2026
Last Update
August 27, 2026

Technical Specifications

Parameters
284.0B
Training Tokens
-
Knowledge Cutoff
-
Family
-
Capabilities
MultimodalZeroEval

Pricing & Availability

Input (per 1M tokens)
$0.14
Output (per 1M tokens)
$0.28
Max Input Tokens
1.0M
Max Output Tokens
393.2K
Supported Features
Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning

Benchmark Results

Model performance metrics across various tests and benchmarks

Other Tests

Specialized benchmarks
CodeForces
RatingSelf-reported
100.0%
HMMT Feb 26
Pass@1Self-reported
95.0%
LiveCodeBench
Pass@1Self-reported
92.0%
IMO-AnswerBench
Pass@1Self-reported
88.0%

License & Metadata

License
mit
Announcement Date
April 23, 2026
Last Updated
August 27, 2026

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