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CC Kimi K2 Thinking vs Grok 4.5

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

Moonshot AICC Kimi K2 ThinkingGrokGrok 4.5
Moonshot AI logo
CC Kimi K2 Thinking
Moonshot AI · → text

Dedicated for Claude Code

Input$0.548 /M
Output$2.192 /M
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 /M
Output$6 /M
Cache read$0.5 /M

Pricing & Specifications

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

CC Kimi K2 Thinking
Grok 4.5
Input /M
$0.548
$2
Output /M
$2.192
$6
Cache read /M
-
$0.5
Context length
0
500,000
Max output
0
500,000
Time to First Token
-
1.6 s
Throughput
-
17.5 tok/s
Modalities
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
-
July 2026

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.

cc-kimi-k2-thinkinggrok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

cc-kimi-k2-thinkinggrok-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

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

Text
cc-kimi-k2-thinkinggrok-4.5
1360140014401480
Overall
14181466
Coding
14671467
Math
14161416
Hard prompts
14371437
Instruction following
13901390
Multi-turn
14041404
Creative writing
13821382
Longer query
14031403
Chinese
14541454
English
14231423

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.

CC Kimi K2 Thinking
$65.76 /mo
Grok 4.5
$210 /mo

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

FAQ

Which is cheaper: CC Kimi K2 Thinking, Grok 4.5?

CC Kimi K2 Thinking: $2.192/M output tokens; Grok 4.5: $6/M. Use the cost calculator above to estimate your own workload.

Can I call CC Kimi K2 Thinking and Grok 4.5 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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