Skip to main content

Model comparison

Grok 4 vs Kimi K2.7 Code

Data verified

Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

59.47/100
Margin
5.4pts
← winning
Moonshot AI
54.03/100
0 category wins0 category wins

Public leaderboard positions: Grok 4 #55 (Supported); Kimi K2.7 Code #92 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Grok 4 and Kimi K2.7 Code share 11 comparable benchmark results. 0 of 8 categories are comparable. 5 results are unique to Grok 4; 12 to Kimi K2.7 Code.

Updated July 27, 2026
Shared results
11
Grok 4 only
5
Kimi K2.7 Code only
12
Comparable categories
0 / 8

Benchmark data for Grok 4 and Kimi K2.7 Code is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.

Kimi K2.7 Code has the larger context window at 256K, compared with 128K for Grok 4.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Grok 4 and Kimi K2.7 Code
CategoryGrok 4ΔKimi K2.7 Code
MathGrok 415.3MarginNo overlapKimi K2.7 CodeNot measured

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricGrok 4Kimi K2.7 CodeComparison
Input / output priceUSD per 1M tokensGrok 4Not availableKimi K2.7 Code$0.95 input / $4 outputA complete price comparison is not available.
Generation speedtokens per secondGrok 454 tok/sKimi K2.7 CodeNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGrok 415.60 sKimi K2.7 CodeNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGrok 4128KKimi K2.7 Code256KKimi K2.7 Code lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGrok 4Kimi K2.7 CodeResult
τ²-bench resultsSource 74.9%90.1%Kimi K2.7 Code leads
Gert LabsSource 42.34%Not comparable
Kimi Claw 24/7Source 46.9%Not comparable
MCP AtlasSource 76%Not comparable
MCP Mark VerifiedSource 81.1%Not comparable
AA Agentic IndexSource 29.6%Not comparable
GDPval-AASource 34.3%Not comparable
GDPval-AASource 1186Not comparable
Coding
BenchmarkGrok 4Kimi K2.7 CodeResult
React Native EvalsSource 72.6%Not comparable
AA-SciCodeSource 45.7%47.5%Kimi K2.7 Code leads
Kimi Code Bench v2Source 62.0%Not comparable
ProgramBenchSource 53.6%Not comparable
MLS-Bench LiteSource 35.1%Not comparable
cursorBench32Source 49.7%Not comparable
AA Coding IndexSource 60.8%Not comparable
Reasoning
BenchmarkGrok 4Kimi K2.7 CodeResult
AA-LCRSource 68.0%66.3%Grok 4 leads
CritPtSource 2.0%10.0%Kimi K2.7 Code leads
Knowledge
BenchmarkGrok 4Kimi K2.7 CodeResult
Artificial Analysis Intelligence IndexSource 33.3%42.0%Kimi K2.7 Code leads
AA-GPQA DiamondSource 87.7%89.6%Kimi K2.7 Code leads
AA-HLESource 23.9%32.8%Kimi K2.7 Code leads
AA-Omniscience IndexSource 3.8%-10.7%Grok 4 leads
AA-Omniscience AccuracySource 41.4%38.6%Grok 4 leads
AA-Omniscience Hallucination RateSource 64.2%80.3%Grok 4 leads
Math
BenchmarkGrok 4Kimi K2.7 CodeResult
FrontierMath v2 (Tiers 1-3)Source 19.655%Not comparable
FrontierMath v2 (Tier 4)Source 2.083%Not comparable
Multimodal
BenchmarkGrok 4Kimi K2.7 CodeResult
AA-MMMU-ProSource 68.8%Not comparable
Design Arena WebsiteSource 1300Not comparable
Inst. Following
BenchmarkGrok 4Kimi K2.7 CodeResult
AA-IFBenchSource 53.7%63.1%Kimi K2.7 Code leads
Frequently Asked Questions (3)

Can I compare Grok 4 and Kimi K2.7 Code on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Grok 4 and Kimi K2.7 Code today?

Grok 4: Pricing unavailable Kimi K2.7 Code: $0.95 input / $4.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

Grok 4
API / mo$0
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Kimi K2.7 Code
API / mo$3,713
Self-host / mo$18,221
Break-even326M/day
Model the full break-even

Related Comparisons

Last updated: July 27, 2026

Know when it’s worth switching models

The model to choose, the cheaper alternative, and the release we would wait on.

One email each week. Unsubscribe anytime.