Model

DeepSeek-V4-Flash (Think High)

OPEN

DeepSeek · DeepSeek-V4 family · released Apr 24, 2026

Smaller, cheaper sibling MoE released alongside V4-Pro on the same day; fast default mode. (middle reasoning-effort tier, called 'Think High' on the official HF model-card benchmark table). DeepSeek retired V4 Flash on Sep 10, 2026; the deepseek-v4-flash name now routes to V4.1-Flash.

ReasoningCodingVisionFunction callingTool useAgentic

2165.3

Elo · rank #75

Parameters

284B

Active params

13B (MoE)

Context

1M tokens

Architecture

Mixture-of-Experts (284B total / 13B active), hybrid Compressed Sparse Attention + Heavily Compressed Attention

License

MIT

Languages

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API price (in/out)

$0.14 / $0.28

Modalities

text

Benchmark results

Bar shows position within the tracked field; marker = field best

BrowseCompAgents53.5%#33

best: Kimi K3 · 91.2%

CodeforcesCoding2816#5

best: DeepSeek-V4.1-Flash · 3471

GPQA DiamondReasoning87.4%#51

best: GPT-6 Astra · 96.0%

Humanity's Last ExamReasoning29.4%#59

best: Claude Opus 5.5 · 67.7%

LiveCodeBenchCoding88.4%#15

best: DeepSeek-V4-Pro (Think Max) · 93.5%

MMLU-ProKnowledge86.4%#19

best: Claude Fable 5 · 91.5%

SWE-bench ProCoding52.3%#46

best: Claude Opus 5.5 · 89.9%

SWE-bench VerifiedCoding78.6%#35

best: Claude Opus 5 · 97.0%

Terminal-Bench 2.0Coding56.6%#54

best: DeepSeek-V4.1-Flash · 90.6%

Run it locally

VRAM @ Q4

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VRAM @ FP16

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Fits on (Q4)

Multi-node cluster required

Throughput data unavailable.

Quantizations

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Fine-tune it

Permissive

QLoRA193.1 GB2× H200 141GB

LoRA604.9 GB4× B200 192GB

Full fine-tune4558.2 GBbeyond 8× B200

QLoRA SFT on ~10k samples ≈ $6.72 (2× H200 141GB)

Plan a fine-tune →

DeepSeek-V4 family

Elo progression across releases

DeepSeek-V4-Flash (Non-Think)Apr 20261561.9 DeepSeek-V4-Flash (Think High)Apr 20262165.3 DeepSeek-V4-Flash (Think Max)Apr 20262250.1 DeepSeek-V4-Pro (Non-Think)Apr 20261608.1 DeepSeek-V4-Pro (Think High)Apr 20262308.5 DeepSeek-V4-Pro (Think Max)Apr 20262432.8 DeepSeek-V4-Flash-0731Jul 20262600.5 DeepSeek-V4.1-FlashSep 20262754.1

Resources

HFdeepseek-ai/DeepSeek-V4-Flash DOCShttps://api-docs.deepseek.com/news/news260424/APIAvailable via DeepSeek API

API price $0.14/$0.28 · each benchmark row carries its own source badge (see methodology)