Noometry

Model comparison

Gemma 2 9B vs Kimi K2.5

Kimi K2.5 is the stronger model overall, scoring 48.1 to 25.9 on the Noometry Index.

Last verified . 21 shared benchmarks.

Gemma 2 9B Google

25.9

Rank #341 Confirmed

Kimi K2.5 Moonshot AI

48.1

Rank #57 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Gemma 2 9B scores higher in 0 categories and Kimi K2.5 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Kimi K2.5 leads 53.6 to 9.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 0.6% for Gemma 2 9B and 92.2% for Kimi K2.5.

Side by side

Gemma 2 9BKimi K2.5
ProviderGoogleMoonshot AI
Noometry Index25.948.1
Released2024-06-242026-01-27
WeightsOpenOpen
Context window—262K
Max output—262K
Input $ / M tokens—$0.45
Output $ / M tokens—$2.25
Results tracked3551

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Category by category

Coding Kimi K2.5 leads

Gemma 2 9B: 29.4 (#304), Kimi K2.5: 48.8 (#53)

BenchmarkGemma 2 9BKimi K2.5
LMArena Coding11731474
SWE-bench Verified—73.8%
SWE-bench Verified (bash only)—70.8%
LMArena WebDev—1437
SWE-bench Multilingual—67.3%
SciCode—49%
WeirdML—45.6%
BigCodeBench Instruct34.7%—
LiveBench Coding22.5%—
BigCodeBench Complete40.6%—
ALE-Bench—821.65

Agentic & Tool Use Not comparable

Gemma 2 9B: —, Kimi K2.5: 34.2 (#48)

BenchmarkGemma 2 9BKimi K2.5
Terminal-Bench—43.2%
OSWorld—63.3%
Vending-Bench 2—1,198

Reasoning Kimi K2.5 leads

Gemma 2 9B: 15.9 (#309), Kimi K2.5: 31.2 (#80)

BenchmarkGemma 2 9BKimi K2.5
LMArena Hard Prompts11711453
Epoch Capabilities Index119.83148.03
ARC-AGI-2—11.8%
SimpleBench—46.8%
Kagi LLM Benchmark—78.5%
NYT Connections (extended)—69.9%
ARC-AGI-1—65.3%
CritPt—3.1%
Chess Puzzles—12%
EnigmaEval—3.4%
Thematic Generalization—69.4%
LiveBench Reasoning15.2%—
LiveBench Data Analysis36.4%—
LiveBench28.7%—
PIQA83.7%—

Math Kimi K2.5 leads

Gemma 2 9B: 9.9 (#318), Kimi K2.5: 51.8 (#53)

BenchmarkGemma 2 9BKimi K2.5
OTIS Mock AIME 2024-20250.6%92.2%
LMArena Math11831470
MathArena Final-Answer Competitions—62.3%
LiveBench Math19.8%—
MATH Level 521%—
FrontierMath (Feb 2025 set)—27.9%
FrontierMath Tier 4 (v1)—4.2%
GSM8K84.9%—

Knowledge Kimi K2.5 leads

Gemma 2 9B: 9.7 (#305), Kimi K2.5: 53.6 (#56)

BenchmarkGemma 2 9BKimi K2.5
GPQA Diamond27.5%87.6%
LMArena Expert11471466
Humanity's Last Exam—24.4%
SimpleQA Verified—34.3%
Vectara Hallucination Rate—14.2%
BoolQ85.7%—
MMLU72.1%—

Multimodal Not comparable

Gemma 2 9B: —, Kimi K2.5: 41.1 (#39)

BenchmarkGemma 2 9BKimi K2.5
LMArena Vision—1269
LMArena Document—1430

Multilingual Kimi K2.5 leads

Gemma 2 9B: 36.6 (#238), Kimi K2.5: 53.9 (#53)

BenchmarkGemma 2 9BKimi K2.5
LMArena Non-English11881433
LMArena Chinese11851495
LMArena French11901454
LMArena German11861441
LMArena Japanese11441421
LMArena Korean11371410
LMArena Russian12001435
LMArena Spanish12001450

Instruction Following Kimi K2.5 leads

Gemma 2 9B: 57.6 (#269), Kimi K2.5: 75.3 (#64)

BenchmarkGemma 2 9BKimi K2.5
LMArena Instruction Following11781431
LiveBench Instruction Following52.6%—

Long Context Kimi K2.5 leads

Gemma 2 9B: 36.3 (#233), Kimi K2.5: 52.1 (#7)

BenchmarkGemma 2 9BKimi K2.5
LMArena Longer Query11971445
Fiction.LiveBench—86.1%
CL-bench—19.3%
CL-bench Life—13.2%

Writing & Preference Kimi K2.5 leads

Gemma 2 9B: 32.1 (#281), Kimi K2.5: 65.1 (#53)

BenchmarkGemma 2 9BKimi K2.5
LMArena Text12071445
LMArena Creative Writing12061423
EQ-Bench Creative Writing8411579
LMArena Multi-Turn11931444
LiveBench Language25.5%—

Frequently asked questions

Is Gemma 2 9B better than Kimi K2.5?

Kimi K2.5 is the stronger model overall, scoring 48.1 to 25.9 on the Noometry Index.

Is Gemma 2 9B or Kimi K2.5 better for coding?

Kimi K2.5 scores higher on coding benchmarks: 48.8 versus 29.4 in the Noometry coding category.

How many benchmarks do Gemma 2 9B and Kimi K2.5 share?

21 benchmarks have published results for both models. Gemma 2 9B has 35 scored results on Noometry and Kimi K2.5 has 51.

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