BenchLeader

DeepSeek V4 Flash vs Gemini 4 Argon

Verdict
  • Gemini 4 Argon (high) leads on quality: 70.0 vs 60.6.
  • DeepSeek V4 Flash (max) is stronger in instruction following.
  • Gemini 4 Argon (high) is stronger in agents & tools, coding, composite, knowledge, maths, reasoning, human preference.
  • DeepSeek V4 Flash (max) is 24× cheaper ($0.168 vs $4.00 per 1M blended).
MetricDeepSeek V4 Flash (max)Gemini 4 Argon (high)
BenchLeader Index60.670.0
Agents & tools score67.267.5
Coding score47.472.1
Composite score68.489.2
Instruction following score76.7–
Knowledge score55.375.7
Long context score65.065.0
Maths score57.371.9
Reasoning score68.882.0
Human preference score–73.2
Blended price $/M$0.168$4.00
Output speed222 tok/s–
Time to first answer9.9 s–
Context window1M1M
SciCode44.9%61.8%
WeirdML45.6%–
LMArena Text–1525
LMArena Hard Prompts–1551
LMArena Coding–1562
LMArena WebDev–1678
LMArena Agent–9.3
AA Intelligence Index v4.3.234.352.6
IFBench79.2%–
AA-LCR79.7%79.7%
AA-Omniscience-14.342.4
Terminal-Bench Hard35.6%–
GPQA Diamond (AA)90.8%–
Humanity's Last Exam (AA)38.5%57.1%
SciCode (AA)50.4%61.8%
τ²-Bench Telecom (AA)95.0%–
IOI–100.0%
LegalBench–88.3%
Vals Index–68.9
AIME 202695.8%–
HMMT February 202693.9%–
MathArena Apex27.1%–
CritPt16.6%27.1%
GDPval-AA v2.146.9%56.3%
τ³-Banking (AA)39.4%–
ITBench SRE (AA)31.5%–
Analyst Agent (AA)25.0%–
BioMysteryBench–76.3%
Code Migration–68.2%
CUA-bench–4.8%
CyberBench–77.9%
Excel Modeling Benchmark–75.2%
Finance Agent v2–65.4%
Harvey's Legal Agent Benchmark–19.6%
Legal Research Bench–54.8%
MedCode–58.8%
MedScribe–87.4%
MysteryMechanism–45.5%
ProgramBench–2.5%
Public Benefits Bench–69.8%
SAGE–53.6%
SREBench–44.3%
Tax Agent Bench–76.2%
Terminal-Bench 4.0 (Vals)–57.6%
Terminal-Bench Science–44.3%
Vibe Code Bench v1.1–91.9%
LMArena Maths–1528
LMArena Creative Writing–1519
LMArena Instruction Following–1529
LMArena Multi-turn–1553
LMArena Longer Queries–1545
LMCA35.9%–
DTBench86.4%–
FrontierSWE–55.0%
Terminal-Bench 4.0 (AA)12.1%57.1%
Terminal-Bench 2.1 (AA)78.7%–
AutomationBench–77.5%
GDP.pdf–21.8%
AA-Omniscience: accuracy40.4%49.9%
AA-Omniscience: non-hallucination8.3%84.9%
AA-Briefcase v1.1–1488

Data as of 2026-10-11. Best configuration of each model; every score links to its source on the model pages.

DeepSeek V4 Flash vs Gemini 4 Argon: questions

Is DeepSeek V4 Flash better than Gemini 4 Argon?
Gemini 4 Argon (high) leads on quality: 70.0 vs 60.6. The BenchLeader Index combines every independent quality benchmark; Gemini 4 Argon (high) is ahead overall as of 2026-10-11, but check the category scores for your use.
Is DeepSeek V4 Flash better than Gemini 4 Argon for coding?
Gemini 4 Argon scores higher in coding (72 vs 47 on the category index, where 50 is average).
Is DeepSeek V4 Flash better than Gemini 4 Argon for agentic tasks?
Gemini 4 Argon scores higher in agentic tasks (68 vs 67 on the category index, where 50 is average).
Which is cheaper, DeepSeek V4 Flash or Gemini 4 Argon?
DeepSeek V4 Flash is cheaper: $0.168 against $4.00 per million tokens, blended at three input tokens per output token.
Which has the larger context window?
Both accept 1M tokens of context.