Model comparison

DeepSeek V4 Pro vs Kimi K2.5

DeepSeek V4 Pro is the stronger model overall, scoring 54.3 to 48.1 on the Noometry Index.

Last verified . 37 shared benchmarks.

DeepSeek V4 Pro DeepSeek

54.3

Rank #31 Confirmed

Kimi K2.5 Moonshot AI

48.1

Rank #57 Confirmed

Summary

  • They share 37 benchmarks with published results for both. DeepSeek V4 Pro scores higher in 7 categories and Kimi K2.5 in 2 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4 Pro leads 56.5 to 31.2.
  • The biggest single-benchmark swing is ARC-AGI-2: 61.3% for DeepSeek V4 Pro and 11.8% for Kimi K2.5.
  • Kimi K2.5 is cheaper at $0.45 / $2.25 per million input/output tokens, against $0.66 / $1.98 for DeepSeek V4 Pro.
  • DeepSeek V4 Pro accepts more context: 1M tokens versus 262K.

Side by side

DeepSeek V4 Pro and Kimi K2.5 specifications
DeepSeek V4 ProKimi K2.5
ProviderDeepSeekMoonshot AI
Noometry Index54.348.1
Released2026-04-242026-01-27
WeightsOpenOpen
Context window1M262K
Max output393K262K
Input $ / M tokens$0.66$0.45
Output $ / M tokens$1.98$2.25
Results tracked4851

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Category by category

Coding DeepSeek V4 Pro leads

DeepSeek V4 Pro: 52.4 (#34), Kimi K2.5: 48.8 (#53)

Coding benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
SWE-bench Verified77.6%73.8%
LMArena WebDev15821437
SciCode51%49%
WeirdML66.2%45.6%
LMArena Coding14701474
ALE-Bench1,403821.65
FrontierCode28.6%—
SWE-bench Verified (bash only)—70.8%
SWE-bench Multilingual—67.3%

Agentic & Tool Use Kimi K2.5 leads

DeepSeek V4 Pro: 32.8 (#58), Kimi K2.5: 34.2 (#48)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
Vending-Bench 23,2851,198
Terminal-Bench—43.2%
APEX-Agents47.3%—
OSWorld—63.3%

Reasoning DeepSeek V4 Pro leads

DeepSeek V4 Pro: 56.5 (#24), Kimi K2.5: 31.2 (#80)

Reasoning benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
ARC-AGI-261.3%11.8%
Kagi LLM Benchmark53.5%78.5%
NYT Connections (extended)91.3%69.9%
ARC-AGI-190.5%65.3%
CritPt18%3.1%
Chess Puzzles47%12%
LMArena Hard Prompts14611453
Epoch Capabilities Index155.31148.03
SimpleBench—46.8%
EnigmaEval—3.4%
Thematic Generalization—69.4%
Mystery Game Puzzles43%—
DTBench93.9%—
LMCA45.5%—
Surface Evolver Bench40%—
ForecastBench56.1—

Math DeepSeek V4 Pro leads

DeepSeek V4 Pro: 64.8 (#30), Kimi K2.5: 51.8 (#53)

Knowledge DeepSeek V4 Pro leads

DeepSeek V4 Pro: 59.5 (#31), Kimi K2.5: 53.6 (#56)

Knowledge benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
GPQA Diamond91.7%87.6%
SimpleQA Verified52.9%34.3%
Vectara Hallucination Rate8.6%14.2%
LMArena Expert14641466
Humanity's Last Exam—24.4%

Multimodal Not comparable

DeepSeek V4 Pro: —, Kimi K2.5: 41.1 (#39)

Multimodal benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
LMArena Vision—1269
LMArena Document—1430

Multilingual Too close to call

DeepSeek V4 Pro: 54.4 (#45), Kimi K2.5: 53.9 (#53)

Multilingual benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
LMArena Non-English14391433
LMArena Chinese14861495
LMArena French14721454
LMArena German14581441
LMArena Japanese14451421
LMArena Korean14471410
LMArena Russian14531435
LMArena Spanish14581450

Instruction Following Too close to call

DeepSeek V4 Pro: 76.1 (#47), Kimi K2.5: 75.3 (#64)

Instruction Following benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
LMArena Instruction Following14481431

Long Context Kimi K2.5 leads

DeepSeek V4 Pro: 45.0 (#51), Kimi K2.5: 52.1 (#7)

Long Context benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
CL-bench Life13.5%13.2%
LMArena Longer Query14581445
Fiction.LiveBench—86.1%
CL-bench—19.3%

Writing & Preference Too close to call

DeepSeek V4 Pro: 65.5 (#46), Kimi K2.5: 65.1 (#53)

Writing & Preference benchmarks
BenchmarkDeepSeek V4 ProKimi K2.5
LMArena Text14511445
LMArena Creative Writing14461423
EQ-Bench Creative Writing15531579
LMArena Multi-Turn14671444
EQ-Bench 41166—

Frequently asked questions

Is DeepSeek V4 Pro better than Kimi K2.5?

DeepSeek V4 Pro is the stronger model overall, scoring 54.3 to 48.1 on the Noometry Index.

Which is cheaper, DeepSeek V4 Pro or Kimi K2.5?

Kimi K2.5 is cheaper. It lists at $0.45 per million input tokens and $2.25 per million output tokens; DeepSeek V4 Pro lists at $0.66 and $1.98.

Is DeepSeek V4 Pro or Kimi K2.5 better for coding?

DeepSeek V4 Pro scores higher on coding benchmarks: 52.4 versus 48.8 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4 Pro does, with 1M tokens against 262K.

How many benchmarks do DeepSeek V4 Pro and Kimi K2.5 share?

37 benchmarks have published results for both models. DeepSeek V4 Pro has 48 scored results on Noometry and Kimi K2.5 has 51.

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