AI model comparison

Kimi K2 0711 vs GPT-4.1 Mini

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

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Moonshot AI

Kimi K2 0711

Kimi K2 Instruct is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32 billion active per forward pass.

Input / 1M
$0.57
Output / 1M
$2.30
Context
131K

GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost.

Input / 1M
$0.40
Output / 1M
$1.60
Context
1.05M

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

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GPT-4.1 Mini

1.4x cheaper for a typical chat

Higher intelligence score

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Kimi K2 0711

12.7 vs 10.2 on Artificial Analysis

Larger context window

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GPT-4.1 Mini

1.05M vs 131K tokens

Newer release

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Kimi K2 0711

Released July 11, 2025

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

moonshotai logoKimi K2 071112.7
openai logoGPT-4.1 Mini10.2

Coding index

moonshotai logoKimi K2 0711Not available
openai logoGPT-4.1 Mini20.2

Agentic index

moonshotai logoKimi K2 0711Not available
openai logoGPT-4.1 MiniNot available

Pricing

Kimi K2 0711 vs GPT-4.1 Mini API pricing

Per-token API rates. Cheaper option highlighted.

Metricmoonshotai logoKimi K2 0711openai logoGPT-4.1 Mini
Input tokensPer 1M tokens$0.57$0.40
Output tokensPer 1M tokens$2.30$1.60
Cached input (read)Per 1M tokensNot available$0.10
Cache writePer 1M tokensNot availableNot available
Web searchPer requestNot available$0.01

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

moonshotai logoKimi K2 0711$2.29
openai logoGPT-4.1 Mini$1.60

Coding task

30K in, 4K out

moonshotai logoKimi K2 0711$26.30
openai logoGPT-4.1 Mini$18.40$9.40 cached

Long document summary

150K in, 2K out

moonshotai logoKimi K2 0711$90.10
openai logoGPT-4.1 Mini$63.20$18.20 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricmoonshotai logoKimi K2 0711openai logoGPT-4.1 Mini
Context window131K tokens1.05M tokens
Max output98K tokens33K tokens
Input typesTextFile, Image, Text
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateJuly 11, 2025April 14, 2025

Features

Supported features

API features available for each model.

Metricmoonshotai logoKimi K2 0711openai logoGPT-4.1 Mini
Tool callingSupportedSupported
Structured outputsNot supportedSupported
JSON modeNot supportedSupported
ReasoningNot supportedNot supported
TemperatureSupportedSupported
Stop sequencesSupportedNot supported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

GPT-4.1 Mini is 1.4x cheaper for a typical chat. Kimi K2 0711 scores higher on the Artificial Analysis Intelligence Index (12.7 vs 10.2). GPT-4.1 Mini has the larger context window (1.05M vs 131K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Kimi K2 0711 or GPT-4.1 Mini cheaper?

GPT-4.1 Mini is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-4.1 Mini costs $0.40 per 1M input tokens and $1.60 per 1M output tokens, while Kimi K2 0711 costs $0.57 per 1M input tokens and $2.30 per 1M output tokens.

Which has a bigger context window, Kimi K2 0711 or GPT-4.1 Mini?

GPT-4.1 Mini supports up to 1.05M tokens of context, compared with 131K for Kimi K2 0711.

Is Kimi K2 0711 smarter than GPT-4.1 Mini?

On the Artificial Analysis Intelligence Index, Kimi K2 0711 scores 12.7 and GPT-4.1 Mini scores 10.2, putting Kimi K2 0711 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Kimi K2 0711 and GPT-4.1 Mini at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Kimi K2 0711 and GPT-4.1 Mini answer side by side and keep the better response.

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Why choose? Ask both.

Send one prompt to Kimi K2 0711 and GPT-4.1 Mini at the same time. Compare the answers side by side and keep the best one.