BenchLeader

Deepseek v4 Flash Vision vs Kimi K3

Verdict
  • Kimi K3 (max) leads on quality: 67.2 vs 59.8.
  • Deepseek v4 Flash Vision (max) is stronger in agents & tools.
  • Kimi K3 (max) is stronger in composite, knowledge, long context, multimodal, reasoning, coding, human preference, maths.
  • Deepseek v4 Flash Vision (max) is 23× cheaper ($0.262 vs $6.00 per 1M blended).
  • Deepseek v4 Flash Vision (max) streams 5.8× faster (215 vs 37 tokens per second).
MetricDeepseek v4 Flash Vision (max)Kimi K3 (max)
BenchLeader Index59.867.2
Agents & tools score69.967.5
Composite score73.484.5
Knowledge score55.864.5
Long context score67.171.0
Multimodal score59.265.1
Reasoning score62.968.6
Coding score67.0
Human preference score68.8
Maths score65.4
Blended price $/M$0.262$6.00
Output speed215 tok/s37 tok/s
Time to first answer10.4 s58.3 s
Context window1M1.0M
GPQA Diamond93.1%
FrontierMath Tiers 1–372.2%
FrontierMath Tier 439.0%
OTIS Mock AIME97.2%
SimpleQA Verified50.6%
SimpleBench60.7%
SciCode58.7%
WeirdML82.6%
LMArena Text1485
LMArena Hard Prompts1514
LMArena Coding1538
LMArena WebDev1674
LMArena Agent6.2
AA Intelligence Index35.043.8
AA-LCR81.3%88.7%
MMMU-Pro74.8%80.5%
AA-Omniscience-17.619.7
GPQA Diamond (AA)91.3%93.5%
Humanity's Last Exam (AA)34.5%46.9%
SciCode (AA)49.6%59.5%
LiveCodeBench87.2%
MMLU-Pro88.0%
IOI48.9%
MCP Atlas82.3%
ARC-AGI-194.5%
ARC-AGI-260.4%
CritPt10.9%23.4%
GDPval (AA)53.9%52.4%
τ²-Bench Banking (AA)41.0%46.0%
ITBench SRE (AA)47.7%
Analyst Agent (AA)38.8%
APEX-Agents (AA)41.3%
BioMysteryBench71.5%
Code Migration16.1%
Excel Modeling Benchmark66.4%
Tax Agent Bench68.7%
Terminal-Bench 4.0 (Vals)12.6%
Terminal-Bench Science2.9%
Time Horizon Index: KSP10.5%
Vibe Code Bench 1-10018.2%
FORTRESS26.6%
LMArena Maths1501
LMArena Creative Writing1458
LMArena Instruction Following1484
LMArena Multi-turn1496
LMArena Longer Queries1500
Chess Puzzles39.0%
Mystery Game Puzzles26.0%
Surface Evolver Bench93.0%
DeepSWE68.5%
LMCA52.7%
DTBench91.2%
CursorBench60.8%
ALE-Bench1524.5
GDP.pdf19.0%
FrontierSWE25.9%

Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.

Deepseek v4 Flash Vision vs Kimi K3: questions

Is Deepseek v4 Flash Vision better than Kimi K3?
Kimi K3 (max) leads on quality: 67.2 vs 59.8. The BenchLeader Index combines every independent quality benchmark; Kimi K3 (max) is ahead overall as of 2026-09-19, but check the category scores for your use.
Is Deepseek v4 Flash Vision better than Kimi K3 for agentic tasks?
Deepseek v4 Flash Vision scores higher in agentic tasks (70 vs 68 on the category index, where 50 is average).
Which is cheaper, Deepseek v4 Flash Vision or Kimi K3?
Deepseek v4 Flash Vision is cheaper: $0.262 against $6.00 per million tokens, blended at three input tokens per output token.
Which is faster, Deepseek v4 Flash Vision or Kimi K3?
Deepseek v4 Flash Vision streams faster: 215 against 37 output tokens per second.
Which has the larger context window?
Kimi K3 accepts more context: 1.0M against 1M tokens.