Kimi K2.6 vs GPT-4.1

At a Glance

Compare
Kimi K2.6Moonshot AI
GPT-4.1OpenAI
Intelligence, Cost, and Efficiency
IntelligenceHigher is better · MM Intelligence v2.5#32 of 4650.5 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 33.6–67.0#44 of 463.7 score · 2/3 sources · provisional · missing LiveBench · full-core range 2.5–35.8
CostLower is better · Published-token output estimate#21 of 44$0.095 per LiveBench caseUnrankedNot in the 44-model eligible cohort
EfficiencyHigher is better · MM Efficiency v1.5#24 of 3850.1 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 41.7–58.4UnrankedNot in the 38-model eligible cohort
Pricing and Limits
Input priceFrom · USD / 1M tokens$0.75Deepinfra · Sep 21, 2026$1.00Openrouter · Sep 3, 2026
Output priceFrom · USD / 1M tokens$3.50Deepinfra · Sep 21, 2026$4.00Openrouter · Sep 3, 2026
Context windowMaximum documented tokens262K1,048K
Model facts checkedAug 28, 2026View model evidence →Aug 29, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
BenchmarkKimi-K2.6GPT-4.1
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader1,454.92100% of row best · rating · kimi-k2.6; 95% CI [1450.40277919, 1459.43693683]; votes 37502; rank 381,382.7795% of row best · rating · gpt-4.1-2025-04-14; 95% CI [1379.06025569, 1386.47352582]; votes 49941; rank 157
LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader1,280.40100% of row best · rating · kimi-k2.6; 95% CI [1273.38025179, 1287.42397051]; votes 15347; rank 281,210.0395% of row best · rating · gpt-4.1-2025-04-14; 95% CI [1203.34343280, 1216.70707848]; votes 41012; rank 74
Overall ResultCounted from the protocol-matched rows above2 benchmark winsNo overall winner0 benchmark winsNo overall winner

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

Side-by-Side Facts

FieldKimi-K2.6GPT-4.1
DeveloperMoonshot AIOpenAI
FamilyKimi K2 6Gpt 4 1
ModelKimi-K2.6GPT-4.1
VersionKimi-K2.6GPT-4.1
Lifecycleactiveactive
Released2026-04-20Unknown
Knowledge cutoffUnknown2024-06-01
Input modalitiesText, ImageText, Image
Output modalitiesTextText
Context window262K1,048K
Total parameters1TUnknown
Active parameters32BUnknown
LicenseotherUnknown
Open weightsYesNo
API availableYesYes
Self-hostableYesNo
Provider accessDeepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard)Openai (Standard), Openrouter (Standard)
Capabilitieschat, generation, reasoning, toolschat, generation, tools

Kimi K2.6 Capabilities

chatgenerationreasoningtools
Serving providers5
Canonical IDmoonshotai/Kimi-K2.6

GPT-4.1 Capabilities

chatgenerationtools
Serving providers2
Canonical IDopenai/gpt-4.1

Primary Evidence

Sources and Freshness

Questions

Kimi K2.6 vs GPT-4.1 FAQs

Is Kimi K2.6 or GPT-4.1 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Kimi K2.6 and GPT-4.1, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Kimi K2.6 or GPT-4.1?+

Kimi K2.6 is $0.75 and GPT-4.1 is $1.00 per million tokens, so Kimi K2.6 is cheaper on this metric. Kimi K2.6 is $3.50 and GPT-4.1 is $4.00 per million tokens, so Kimi K2.6 is cheaper on this metric.

Which has a larger context window, Kimi K2.6 or GPT-4.1?+

GPT-4.1 has the larger sourced context window. Kimi K2.6 supports 262K and GPT-4.1 supports 1,048K.

Which performs better in benchmarks, Kimi K2.6 or GPT-4.1?+

There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.

Can Kimi K2.6 or GPT-4.1 be self-hosted?+

Kimi K2.6 is the only model in this pair currently marked as self-hostable. Kimi K2.6 is open weight; GPT-4.1 is not marked open weight.

Can Kimi K2.6 and GPT-4.1 understand images?+

Kimi K2.6 is documented with image input; GPT-4.1 is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Kimi K2.6 or GPT-4.1?+

Neither has a larger sourced maximum output. Kimi K2.6 is — and GPT-4.1 is 33K.

Do Kimi K2.6 and GPT-4.1 support reasoning and tool use?+

Kimi K2.6: reasoning, tool calling, and image input. GPT-4.1: tool calling and image input. Feature support does not establish relative quality.

Which is available from more inference providers, Kimi K2.6 or GPT-4.1?+

Kimi K2.6 has 5 sourced provider routes; GPT-4.1 has 2, so Kimi K2.6 has broader tracked availability.

Which offers better value, Kimi K2.6 or GPT-4.1?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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