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GPT-4.1 mini vs Kimi K2.6

Kimi K2.6 leads the LLM Stats Score 43.2 to 13.3. GPT-4.1 mini is 2.1x cheaper per token.

OpenAI · Moonshot AI · Updated for 2026

Which is better?

Kimi K2.6 leads the overall LLM Stats Score 43.2 to 13.3, ranking #59 overall.

In the 4 individual benchmarks reported for both models, Kimi K2.6 wins 4; this is a narrower head-to-head signal than the composite indexes.

On price, GPT-4.1 mini is roughly 2.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-4.1 mini also accepts a larger context window (1,047,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-4.1 mini

  • cost matters — it's about 2.1x cheaper per token
  • you process long inputs — it offers a 1,047,576 token context window

Choose Kimi K2.6

  • overall performance matters — it scores 43.2 and ranks #59 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results
  • you want the most recent training data — it shipped Apr 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
13.3
#279
43.2
#59
13.2
#273
43.5
#53
-3.8
#288
33.1
#51
Cost, coverage & limits
Benchmark wins
0 of 4
4 of 4
Input price
$0.40 / M
$0.75 / M
Output price
$1.60 / M
$3.50 / M
Context window
1,047,576
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
GPT-4.1 mini
Kimi K2.6
13.2#247
36.6#40
8.6#163
29.0#45
1.6#203
21.3#67
15.3#107
31.0#34
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

28 reported for GPT-4.1 mini · 28 for Kimi K2.6

4 shared

GPT-4.1 mini outperforms in 0 benchmarks, while Kimi K2.6 is better at 4 benchmarks (CharXiv-R, GPQA, Humanity's Last Exam, SWE-Bench Verified).

Kimi K2.6 significantly outperforms across most benchmarks.

Thu Nov 05 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GPT-4.1 mini costs less

For input processing, GPT-4.1 mini ($0.40/1M tokens) is 1.9x cheaper than Kimi K2.6 ($0.75/1M tokens).

For output processing, GPT-4.1 mini ($1.60/1M tokens) is 2.2x cheaper than Kimi K2.6 ($3.50/1M tokens).

In conclusion, Kimi K2.6 is more expensive than GPT-4.1 mini.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Nov 05 2026 • llm-stats.com
OpenAI
GPT-4.1 mini
Input tokens$0.40
Output tokens$1.60
Best providerOpenAI
Moonshot AI
Kimi K2.6
Input tokens$0.75
Output tokens$3.50
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-4.1 mini accepts 1,047,576 input tokens compared to Kimi K2.6's 262,144 tokens. Kimi K2.6 can generate longer responses up to 131,072 tokens, while GPT-4.1 mini is limited to 32,768 tokens.

OpenAI
GPT-4.1 mini
Input1,047,576 tokens
Output32,768 tokens
Moonshot AI
Kimi K2.6
Input262,144 tokens
Output131,072 tokens
Thu Nov 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-4.1 mini and Kimi K2.6 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-4.1 mini

Text
Images
Audio
Video

Kimi K2.6

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4.1 mini is licensed under a proprietary license, while Kimi K2.6 uses Modified MIT License.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-4.1 mini

Proprietary

Closed source

Kimi K2.6

Modified MIT License

Open weights

Release Timeline

When each model was launched

GPT-4.1 mini was released on 2025-04-14, while Kimi K2.6 was released on 2026-04-20.

Kimi K2.6 is 12 months newer than GPT-4.1 mini.

GPT-4.1 mini

Apr 14, 2025

1.6 years ago

Kimi K2.6

Apr 20, 2026

6 months ago

1.0yr newer

Knowledge Cutoff

When training data ends

GPT-4.1 mini has a documented knowledge cutoff of 2024-05-31, while Kimi K2.6's cutoff date is not specified.

We can confirm GPT-4.1 mini's training data extends to 2024-05-31, but cannot make a direct comparison without Kimi K2.6's cutoff date.

GPT-4.1 mini

May 2024

Kimi K2.6

—

Provider Availability

GPT-4.1 mini is available from OpenAI. Kimi K2.6 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together.

GPT-4.1 mini

openai logo
OpenAI
Input Price:Input: $0.40/1MOutput Price:Output: $1.60/1M

Kimi K2.6

deepinfra logo
Deepinfra
Input Price:Input: $0.75/1MOutput Price:Output: $3.50/1M
fireworks logo
Fireworks
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
moonshot logo
Unknown Organization
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
novita logo
Novita
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
together logo
Together
Input Price:Input: $1.20/1MOutput Price:Output: $4.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-4.1 mini and Kimi K2.6 side-by-side, then vote on the output you prefer.

GPT-4.1 mini
✓ Preferred
Kimi K2.6
Open in Playground

FAQ

Common questions about GPT-4.1 mini vs Kimi K2.6.

Which is better, GPT-4.1 mini or Kimi K2.6?

Kimi K2.6 leads the LLM Stats Score 43.2 to 13.3. GPT-4.1 mini is made by OpenAI and Kimi K2.6 is made by Moonshot AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-4.1 mini compare to Kimi K2.6 in benchmarks?

GPT-4.1 mini scores CharXiv-D: 88.4%, MMLU: 87.5%, IFEval: 84.1%, MMMLU: 78.5%, MathVista: 73.1%. Kimi K2.6 scores V*: 96.9%, AIME 2026: 96.4%, MathVision: 93.2%, HMMT Feb 26: 92.7%, GPQA: 90.5%.

Is GPT-4.1 mini cheaper than Kimi K2.6?

GPT-4.1 mini is 1.9x cheaper for input tokens. GPT-4.1 mini costs $0.40/M input and $1.60/M output via openai. Kimi K2.6 costs $0.75/M input and $3.50/M output via deepinfra.

What are the context window sizes for GPT-4.1 mini and Kimi K2.6?

GPT-4.1 mini supports 1.0M tokens and Kimi K2.6 supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4.1 mini and Kimi K2.6?

Key differences include LLM Stats Score (13.3 vs 43.2), context window (1.0M vs 262K), input pricing ($0.40 vs $0.75/M), licensing (Proprietary vs Modified MIT License). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4.1 mini and Kimi K2.6?

GPT-4.1 mini is developed by OpenAI and Kimi K2.6 is developed by Moonshot AI.