AI model comparison

Qwen3.5-27B vs Kimi K2.5

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

The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance.

Input / 1M
$0.26
Output / 1M
$2.60
Context
262K
moonshotai logo

Moonshot AI

Kimi K2.5

Kimi K2.5 is Moonshot AI's native multimodal model, delivering state-of-the-art visual coding capability and a self-directed agent swarm paradigm.

Input / 1M
$0.45
Output / 1M
$2.25
Context
262K

At a glance

Quick verdict

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

Lower price

qwen logo

Qwen3.5-27B

1.1x cheaper for a typical chat

Higher intelligence score

moonshotai logo

Kimi K2.5

23.5 vs 22.9 on Artificial Analysis

Larger context window

Tie

262K vs 262K tokens

Newer release

qwen logo

Qwen3.5-27B

Released February 25, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

qwen logoQwen3.5-27B22.9
moonshotai logoKimi K2.523.5

Coding index

qwen logoQwen3.5-27BNot available
moonshotai logoKimi K2.546.8

Agentic index

qwen logoQwen3.5-27BNot available
moonshotai logoKimi K2.5Not available

Pricing

Qwen3.5-27B vs Kimi K2.5 API pricing

Per-token API rates. Cheaper option highlighted.

Metricqwen logoQwen3.5-27Bmoonshotai logoKimi K2.5
Input tokensPer 1M tokens$0.26$0.45
Output tokensPer 1M tokens$2.60$2.25
Cached input (read)Per 1M tokensNot available$0.07
Cache writePer 1M tokensNot availableNot available

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

qwen logoQwen3.5-27B$1.82
moonshotai logoKimi K2.5$2.03

Coding task

30K in, 4K out

qwen logoQwen3.5-27B$18.20
moonshotai logoKimi K2.5$22.50$11.10 cached

Long document summary

150K in, 2K out

qwen logoQwen3.5-27B$44.20
moonshotai logoKimi K2.5$72$15 cached

Specs

Context window and capabilities

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

Metricqwen logoQwen3.5-27Bmoonshotai logoKimi K2.5
Context window262K tokens262K tokens
Max output82K tokens236K tokens
Input typesImage, Text, VideoImage, Text
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateFebruary 25, 2026January 27, 2026

Features

Supported features

API features available for each model.

Metricqwen logoQwen3.5-27Bmoonshotai logoKimi K2.5
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

Qwen3.5-27B is 1.1x cheaper for a typical chat. Kimi K2.5 scores higher on the Artificial Analysis Intelligence Index (23.5 vs 22.9). 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 Qwen3.5-27B or Kimi K2.5 cheaper?

Qwen3.5-27B is cheaper for a typical chat (2K input tokens and 500 output tokens). Qwen3.5-27B costs $0.26 per 1M input tokens and $2.60 per 1M output tokens, while Kimi K2.5 costs $0.45 per 1M input tokens and $2.25 per 1M output tokens.

Which has a bigger context window, Qwen3.5-27B or Kimi K2.5?

Qwen3.5-27B supports up to 262K tokens of context, compared with 262K for Kimi K2.5.

Is Qwen3.5-27B smarter than Kimi K2.5?

On the Artificial Analysis Intelligence Index, Qwen3.5-27B scores 22.9 and Kimi K2.5 scores 23.5, putting Kimi K2.5 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Qwen3.5-27B and Kimi K2.5 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Qwen3.5-27B and Kimi K2.5 answer side by side and keep the better response.

qwen logomoonshotai logo

Why choose? Ask both.

Send one prompt to Qwen3.5-27B and Kimi K2.5 at the same time. Compare the answers side by side and keep the best one.