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Model comparison

GPT-4.1 vs Kimi K2.7 Code

Data verified

Head-to-head evidence from 12 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

OpenAI
50.39/100
Margin
3.6pts
winning →
Moonshot AI
54.03/100
0 category wins0 category wins

Public leaderboard positions: GPT-4.1 #111 (Supported); Kimi K2.7 Code #92 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. GPT-4.1 and Kimi K2.7 Code share 12 comparable benchmark results. 0 of 8 categories are comparable. 8 results are unique to GPT-4.1; 11 to Kimi K2.7 Code.

Updated July 27, 2026
Shared results
12
GPT-4.1 only
8
Kimi K2.7 Code only
11
Comparable categories
0 / 8

Benchmark data for GPT-4.1 and Kimi K2.7 Code is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 12 shared benchmark results across 6 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.

GPT-4.1 is priced at $2.00 input / $8.00 output per 1M tokens, versus $0.95 input / $4.00 output per 1M tokens for Kimi K2.7 Code. GPT-4.1 has the larger context window at 1M, compared with 256K for Kimi K2.7 Code.

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 GPT-4.1 and Kimi K2.7 Code
CategoryGPT-4.1ΔKimi K2.7 Code
CodingGPT-4.154.6MarginNo overlapKimi K2.7 CodeNot measured
KnowledgeGPT-4.166.3MarginNo overlapKimi K2.7 CodeNot measured
MathGPT-4.14.1MarginNo overlapKimi K2.7 CodeNot measured
Inst. FollowingGPT-4.187.4MarginNo overlapKimi K2.7 CodeNot measured

Operational comparison

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

MetricGPT-4.1Kimi K2.7 CodeComparison
Input / output priceUSD per 1M tokensGPT-4.1$2 input / $8 outputKimi K2.7 Code$0.95 input / $4 outputKimi K2.7 Code has the lower combined listed price.
Generation speedtokens per secondGPT-4.1108 tok/sKimi K2.7 CodeNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGPT-4.11.02 sKimi K2.7 CodeNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGPT-4.11MKimi K2.7 Code256KGPT-4.1 lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGPT-4.1Kimi K2.7 CodeResult
τ²-bench resultsSource 47.1%90.1%Kimi K2.7 Code leads
Gert LabsSource 25.65%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
BenchmarkGPT-4.1Kimi K2.7 CodeResult
SWE-bench VerifiedSource 54.6%Not comparable
AA-SciCodeSource 38.1%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
BenchmarkGPT-4.1Kimi K2.7 CodeResult
AA-LCRSource 61.0%66.3%Kimi K2.7 Code leads
CritPtSource 0.0%10.0%Kimi K2.7 Code leads
Knowledge
BenchmarkGPT-4.1Kimi K2.7 CodeResult
MMLUSource 90.2%Not comparable
GPQASource 66.3%Not comparable
Artificial Analysis Intelligence IndexSource 19.4%42.0%Kimi K2.7 Code leads
AA-GPQA DiamondSource 66.6%89.6%Kimi K2.7 Code leads
AA-HLESource 4.6%32.8%Kimi K2.7 Code leads
AA-Omniscience IndexSource -36.2%-10.7%Kimi K2.7 Code leads
AA-Omniscience AccuracySource 24.2%38.6%Kimi K2.7 Code leads
AA-Omniscience Hallucination RateSource 79.6%80.3%GPT-4.1 leads
Math
BenchmarkGPT-4.1Kimi K2.7 CodeResult
FrontierMath v2 (Tiers 1-3)Source 5.517%Not comparable
FrontierMath v2 (Tier 4)Source 0.000%Not comparable
Multimodal
BenchmarkGPT-4.1Kimi K2.7 CodeResult
AA-MMMU-ProSource 61.2%Not comparable
Design Arena WebsiteSource 10631300Kimi K2.7 Code leads
Inst. Following
BenchmarkGPT-4.1Kimi K2.7 CodeResult
IFEvalSource 87.4%Not comparable
AA-IFBenchSource 43.0%63.1%Kimi K2.7 Code leads
Frequently Asked Questions (3)

Can I compare GPT-4.1 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 GPT-4.1 and Kimi K2.7 Code today?

GPT-4.1: $2.00 input / $8.00 output per 1M tokens 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.

GPT-4.1
API / mo$7,500
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

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Last updated: July 27, 2026

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