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Model comparison

Claude 4.1 Opus Thinking vs Kimi K2.6

Data verified

Head-to-head evidence from 10 shared benchmark results across 6 categories. Overall scores shown here use BenchLM's provisional ranking lane.

40/100
Margin
34.0pts
winning →
Moonshot AI
74/100
0 category wins0 category wins

Verified leaderboard positions: Claude 4.1 Opus Thinking unranked; Kimi K2.6 #13

Evidence parity. Claude 4.1 Opus Thinking and Kimi K2.6 share 10 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to Claude 4.1 Opus Thinking; 50 to Kimi K2.6.

Updated July 13, 2026
Shared results
10
Claude 4.1 Opus Thinking only
0
Kimi K2.6 only
50
Comparable categories
0 / 8

Benchmark data for Claude 4.1 Opus Thinking and Kimi K2.6 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 10 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.

Kimi K2.6 has the larger context window at 256K, compared with 200K for Claude 4.1 Opus Thinking.

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 Claude 4.1 Opus Thinking and Kimi K2.6
CategoryClaude 4.1 Opus ThinkingΔKimi K2.6
AgenticClaude 4.1 Opus ThinkingNot measuredMarginNo overlapKimi K2.673.5
CodingClaude 4.1 Opus ThinkingNot measuredMarginNo overlapKimi K2.672.6
KnowledgeClaude 4.1 Opus ThinkingNot measuredMarginNo overlapKimi K2.642.2
MathClaude 4.1 Opus ThinkingNot measuredMarginNo overlapKimi K2.667.1
MultimodalClaude 4.1 Opus ThinkingNot measuredMarginNo overlapKimi K2.679.8

Operational comparison

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

MetricClaude 4.1 Opus ThinkingKimi K2.6Comparison
Input / output priceUSD per 1M tokensClaude 4.1 Opus ThinkingNot availableKimi K2.6$0.95 input / $4 outputA complete price comparison is not available.
Generation speedtokens per secondClaude 4.1 Opus Thinking29 tok/sKimi K2.6Not availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude 4.1 Opus Thinking15.00 sKimi K2.6Not availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude 4.1 Opus Thinking200KKimi K2.6256KKimi K2.6 lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude 4.1 Opus ThinkingKimi K2.6Result
Tau2-TelecomSource 71.4%95.9%Kimi K2.6 leads
Terminal-Bench 2.0Source 66.7%Not comparable
BrowseCompSource 83.2%Not comparable
OSWorld-VerifiedSource 73.1%Not comparable
ToolathlonSource 50%Not comparable
MCP AtlasSource 55.9%Not comparable
Claw-EvalSource 62.3%Not comparable
DeepSearchQASource 92.5%Not comparable
WideResearchSource 80.8%Not comparable
AA Agentic IndexSource 30.3%Not comparable
GDPval-AASource 34.5%Not comparable
GDPval-AASource 1190Not comparable
APEX-Agents-AASource 28.5%Not comparable
Gert LabsSource 56.82%Not comparable
ResearchClawBenchSource 18.0%Not comparable
OSWorld 2.0Source 4.6%Not comparable
AA BriefcaseSource 809Not comparable
AA AutomationBenchSource 19.6%Not comparable
AA EnterpriseOps-GymSource 38.5%Not comparable
AA Harvey LABSource 0.0%Not comparable
AA ITBenchSource 31.2%Not comparable
AA Tau3 BankingSource 20.6%Not comparable
Coding
BenchmarkClaude 4.1 Opus ThinkingKimi K2.6Result
Terminal-Bench HardSource 34.3%43.9%Kimi K2.6 leads
AA-SciCodeSource 40.9%53.5%Kimi K2.6 leads
SWE-bench VerifiedSource 80.2%Not comparable
LiveCodeBenchSource 89.6%Not comparable
LiveCodeBench v6Source 89.6%Not comparable
SWE-bench ProSource 58.6%Not comparable
SWE MultilingualSource 76.7%Not comparable
SciCodeSource 52.2%Not comparable
Terminal-Bench 2.0Source 66.7%Not comparable
Vibe Code BenchSource 37.89%Not comparable
cursorBench31Source 47.6%Not comparable
AA Coding IndexSource 61.8%Not comparable
AA Terminal-Bench 2.1Source 65.9%Not comparable
Reasoning
BenchmarkClaude 4.1 Opus ThinkingKimi K2.6Result
AA-LCRSource 66.3%69.7%Kimi K2.6 leads
CritPtSource 0.0%8.0%Kimi K2.6 leads
Knowledge
BenchmarkClaude 4.1 Opus ThinkingKimi K2.6Result
Artificial Analysis Intelligence IndexSource 33.7%44.2%Kimi K2.6 leads
AA-GPQA DiamondSource 80.9%91.1%Kimi K2.6 leads
AA-HLESource 11.9%35.9%Kimi K2.6 leads
GPQASource 90.5%Not comparable
GPQA-DSource 90.5%Not comparable
HLESource 34.7%Not comparable
AA-Omniscience IndexSource 6.4%Not comparable
AA-Omniscience AccuracySource 32.8%Not comparable
AA-Omniscience Hallucination RateSource 39.3%Not comparable
AA Openness IndexSource 33.3%Not comparable
Math
BenchmarkClaude 4.1 Opus ThinkingKimi K2.6Result
AIME26Source 96.4%Not comparable
HMMT Feb 2026Source 92.7%Not comparable
MMAnswerBenchSource 86.0%Not comparable
FrontierMath v2 (Tiers 1-3)Source 38.966%Not comparable
FrontierMath v2 (Tier 4)Source 14.580%Not comparable
Multimodal
BenchmarkClaude 4.1 Opus ThinkingKimi K2.6Result
AA-MMMU-ProSource 67.9%79.4%Kimi K2.6 leads
MMMU-ProSource 79.4%Not comparable
MMMU-Pro w/ PythonSource 80.1%Not comparable
CharXivSource 80.4%Not comparable
MathVisionSource 87.4%Not comparable
V*Source 96.9%Not comparable
Design Arena WebsiteSource 1318Not comparable
Inst. Following
BenchmarkClaude 4.1 Opus ThinkingKimi K2.6Result
AA-IFBenchSource 55.4%76.0%Kimi K2.6 leads
Frequently Asked Questions (3)

Can I compare Claude 4.1 Opus Thinking and Kimi K2.6 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 Claude 4.1 Opus Thinking and Kimi K2.6 today?

Claude 4.1 Opus Thinking: Pricing unavailable Kimi K2.6: $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.

Claude 4.1 Opus Thinking
API / mo$0
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Kimi K2.6
API / mo$3,713
Self-host / mo$18,221
Break-even326M/day
Model the full break-even

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Last updated: July 13, 2026

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