AI model comparison

Kimi K2.7 Code vs Grok Build 0.1

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 K2.7 Code

MoonshotAI: Kimi K2.7 Code is a coding-focused model in Moonshot AI's Kimi K2 family, built to complete end-to-end programming tasks reliably over long contexts.

Input / 1M
$0.67
Output / 1M
$3.35
Context
262K

Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows.

Input / 1M
$1
Output / 1M
$2
Context
256K

At a glance

Quick verdict

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

Lower price

x-ai logo

Grok Build 0.1

1.0x cheaper for a typical chat

Higher intelligence score

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Grok Build 0.1

27.2 vs 25.8 on Artificial Analysis

Larger context window

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Kimi K2.7 Code

262K vs 256K tokens

Newer release

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Kimi K2.7 Code

Released June 12, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

moonshotai logoKimi K2.7 Code25.8
x-ai logoGrok Build 0.127.2

Coding index

moonshotai logoKimi K2.7 Code60.8
x-ai logoGrok Build 0.151.5

Agentic index

moonshotai logoKimi K2.7 Code21
x-ai logoGrok Build 0.1Not available

Pricing

Kimi K2.7 Code vs Grok Build 0.1 API pricing

Per-token API rates. Cheaper option highlighted.

Metricmoonshotai logoKimi K2.7 Codex-ai logoGrok Build 0.1
Input tokensPer 1M tokens$0.67$1
Output tokensPer 1M tokens$3.35$2
Cached input (read)Per 1M tokens$0.18$0.20
Cache writePer 1M tokensNot availableNot available
Long-context pricingPer 1M tokens, for very long promptsSame rate at any length$2 in / $4 out above 200K
Web searchPer requestNot available$0.005

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 K2.7 Code$3.02
x-ai logoGrok Build 0.1$3

Coding task

30K in, 4K out

moonshotai logoKimi K2.7 Code$33.54$18.80 cached
x-ai logoGrok Build 0.1$38$14 cached

Long document summary

150K in, 2K out

moonshotai logoKimi K2.7 Code$107.38$33.70 cached
x-ai logoGrok Build 0.1$154$34 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 K2.7 Codex-ai logoGrok Build 0.1
Context window262K tokens256K tokens
Max output236K tokens230K tokens
Input typesImage, TextFile, Image, Text
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateJune 12, 2026May 20, 2026

Features

Supported features

API features available for each model.

Metricmoonshotai logoKimi K2.7 Codex-ai logoGrok Build 0.1
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedNot supported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

Grok Build 0.1 is 1.0x cheaper for a typical chat. Grok Build 0.1 scores higher on the Artificial Analysis Intelligence Index (27.2 vs 25.8). Kimi K2.7 Code has the larger context window (262K vs 256K 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 K2.7 Code or Grok Build 0.1 cheaper?

Grok Build 0.1 is cheaper for a typical chat (2K input tokens and 500 output tokens). Grok Build 0.1 costs $1 per 1M input tokens and $2 per 1M output tokens, while Kimi K2.7 Code costs $0.67 per 1M input tokens and $3.35 per 1M output tokens.

Which has a bigger context window, Kimi K2.7 Code or Grok Build 0.1?

Kimi K2.7 Code supports up to 262K tokens of context, compared with 256K for Grok Build 0.1.

Is Kimi K2.7 Code smarter than Grok Build 0.1?

On the Artificial Analysis Intelligence Index, Kimi K2.7 Code scores 25.8 and Grok Build 0.1 scores 27.2, putting Grok Build 0.1 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Kimi K2.7 Code and Grok Build 0.1 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Kimi K2.7 Code and Grok Build 0.1 answer side by side and keep the better response.

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Why choose? Ask both.

Send one prompt to Kimi K2.7 Code and Grok Build 0.1 at the same time. Compare the answers side by side and keep the best one.