Models

Grok 4.5 vs Kimi K2.7 Code

Compare Grok 4.5 from Grok and Kimi K2.7 Code from Moonshot AI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

GrokGrok 4.5Moonshot AIKimi K2.7 Code
Grok logo
Grok 4.5
Grok · text, image → text

Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.

Input$2.00 /M
Output$6.00 /M
Moonshot AI logo
Kimi K2.7 Code
Moonshot AI · text, image, video → text

Kimi K2.7 Code is Kimi’s most intelligent Coding model, capable of completing programming tasks with higher success rates in long context. It features a native multimodal architecture that supports text, image, video input, and thinking modes, and dialogue and agent tasks.

Input$0.95 /M
Output$4.00 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Grok 4.5
Kimi K2.7 Code
Input /M
$2.00
$0.95
Output /M
$6.00
$4.00
Cache read /M
$0.50
$0.16
Context length
500,000
262,144
Max output
500,000
32,768
Time to First Token
1.5 s
1.7 s
Throughput
25.8 tok/s
59.3 tok/s
Modalities
textimage
textimagevideo
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
thinkingfunction callingstructured outputs
API Formats
Released
July 2026
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Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

grok-4.5kimi-k2.7-code

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

grok-4.5kimi-k2.7-code

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

WebDev Arena
grok-4.5kimi-k2.7-code
1420148015401600
Overall
14731556
React
14721559
HTML
14621577
Gaming
14761586
Simulations
14691598
Data analytics
14551522

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

Kimi K2.7 Code
$117 /mo
Grok 4.5
$210 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Grok 4.5, Kimi K2.7 Code?

Kimi K2.7 Code: $4.00/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Grok 4.5: 1.5s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

Grok 4.5 accepts 500,000 and Kimi K2.7 Code accepts 262,144 input tokens. Maximum output per request is 500,000 tokens on Grok 4.5 and 32,768 tokens on Kimi K2.7 Code.

Which one generates tokens faster?

Kimi K2.7 Code at 59.3 tok/s and Grok 4.5 at 25.8 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; Kimi K2.7 Code accepts text, image and video input and supports thinking, function calling and structured outputs.

Can I call Grok 4.5 and Kimi K2.7 Code with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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