Noometry

Model comparison

Grok 4.7 vs Kimi K2.7 Code

Grok 4.7 is the stronger model overall, scoring 53.1 to 43.3 on the Noometry Index. Kimi K2.7 Code costs 1.8× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

Last verified . 13 shared benchmarks.

Grok 4.7 xAI

53.1

Rank #37 Confirmed

Kimi K2.7 Code Moonshot AI

43.3

Rank #94 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Grok 4.7 scores higher in 5 categories and Kimi K2.7 Code in 0 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Grok 4.7 leads 58.0 to 42.9.
  • The biggest single-benchmark swing is SimpleQA Verified: 56% for Grok 4.7 and 36.5% for Kimi K2.7 Code.
  • Kimi K2.7 Code is cheaper at $0.95 / $4 per million input/output tokens, against $2 / $6 for Grok 4.7.
  • Grok 4.7 accepts more context: 500K tokens versus 262K.
  • Kimi K2.7 Code has downloadable open weights; the other is API-only.

Side by side

Grok 4.7Kimi K2.7 Code
ProviderxAIMoonshot AI
Noometry Index53.143.3
Released2026-09-212026-06-12
WeightsProprietaryOpen
Context window500K262K
Max output500K262K
Input $ / M tokens$2$0.95
Output $ / M tokens$6$4
Results tracked3919

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Category by category

Coding Grok 4.7 leads

Grok 4.7: 58.0 (#18), Kimi K2.7 Code: 42.9 (#95)

BenchmarkGrok 4.7Kimi K2.7 Code
FrontierCode47.6%30.1%
LMArena WebDev16391473
SciCode57.8%47.5%
DeepSWE—30.5%
CursorBench46.3%—
FrontierSWE29.5%—
WeirdML—54.1%
LMArena Coding1427—
ALE-Bench—886.23

Agentic & Tool Use Grok 4.7 leads

Grok 4.7: 36.7 (#37), Kimi K2.7 Code: 24.0 (#122)

BenchmarkGrok 4.7Kimi K2.7 Code
APEX-Agents54.6%37.6%
Vending-Bench 210,5375,083
GBAEval—0.9%
GDP.pdf22.8%—

Reasoning Grok 4.7 leads

Grok 4.7: 49.1 (#40), Kimi K2.7 Code: 39.0 (#61)

BenchmarkGrok 4.7Kimi K2.7 Code
CritPt18%10%
Chess Puzzles38%21%
Epoch Capabilities Index153.53149.97
SimpleBench—57.9%
NYT Connections (extended)76.8%—
LMArena Hard Prompts1413—
Mystery Game Puzzles29%—
DTBench96%—
LMCA49.4%—
Surface Evolver Bench—48.8%

Math Grok 4.7 leads

Grok 4.7: 57.8 (#39), Kimi K2.7 Code: 52.9 (#48)

BenchmarkGrok 4.7Kimi K2.7 Code
FrontierMath (Tiers 1-3)53%54%
FrontierMath Tier 417.1%12.2%
OTIS Mock AIME 2024-202598.1%95.6%
ProofBench34%—
LMArena Math1407—

Knowledge Grok 4.7 leads

Grok 4.7: 62.8 (#22), Kimi K2.7 Code: 53.5 (#57)

BenchmarkGrok 4.7Kimi K2.7 Code
GPQA Diamond92.7%87.9%
SimpleQA Verified56%36.5%
LMArena Expert1422—

Multimodal Not comparable

Grok 4.7: 35.5 (#87), Kimi K2.7 Code: —

BenchmarkGrok 4.7Kimi K2.7 Code
LMArena Vision1228—
Blueprint-Bench 232.5%—
Furniture Assembly20.8%—

Multilingual Not comparable

Grok 4.7: 50.8 (#116), Kimi K2.7 Code: —

BenchmarkGrok 4.7Kimi K2.7 Code
LMArena Non-English1389—
LMArena Chinese1455—
LMArena French1455—
LMArena Russian1397—
LMArena Spanish1400—

Instruction Following Not comparable

Grok 4.7: 74.1 (#105), Kimi K2.7 Code: —

BenchmarkGrok 4.7Kimi K2.7 Code
LMArena Instruction Following1404—

Long Context Not comparable

Grok 4.7: 43.1 (#104), Kimi K2.7 Code: —

BenchmarkGrok 4.7Kimi K2.7 Code
LMArena Longer Query1413—

Writing & Preference Not comparable

Grok 4.7: 70.0 (#24), Kimi K2.7 Code: —

BenchmarkGrok 4.7Kimi K2.7 Code
LMArena Text1399—
LMArena Creative Writing1391—
EQ-Bench Creative Writing2007—
LMArena Multi-Turn1393—

Frequently asked questions

Is Grok 4.7 better than Kimi K2.7 Code?

Grok 4.7 is the stronger model overall, scoring 53.1 to 43.3 on the Noometry Index. Kimi K2.7 Code costs 1.8× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

Which is cheaper, Grok 4.7 or Kimi K2.7 Code?

Kimi K2.7 Code is cheaper. It lists at $0.95 per million input tokens and $4 per million output tokens; Grok 4.7 lists at $2 and $6.

Is Grok 4.7 or Kimi K2.7 Code better for coding?

Grok 4.7 scores higher on coding benchmarks: 58.0 versus 42.9 in the Noometry coding category.

Which has the bigger context window?

Grok 4.7 does, with 500K tokens against 262K.

How many benchmarks do Grok 4.7 and Kimi K2.7 Code share?

13 benchmarks have published results for both models. Grok 4.7 has 39 scored results on Noometry and Kimi K2.7 Code has 19.

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