CC Kimi K2 Instruct
Moonshot AI · text → text
For Claude code only
Input$1.10 /M
Output$3.30 /M
← ModelsCC Kimi K2 Instruct
Grok 4.5
CC Kimi K2 Instruct vs Grok 4.5
Output tokens cost $3.30 per million on CC Kimi K2 Instruct and $6.00 per million on Grok 4.5. Input tokens cost $1.10 per million on CC Kimi K2 Instruct and $2.00 per million on Grok 4.5. Cached input tokens are billed at $1.10 per million on CC Kimi K2 Instruct and $0.50 per million on Grok 4.5. On the LMArena coding leaderboard CC Kimi K2 Instruct scores 1467 and Grok 4.5 scores 1523.
CC Kimi K2 InstructGrok 4.5+ Add model · 2/4
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
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
CC Kimi K2 Instruct
Grok 4.5
Input /M
$1.10
$2.00
Output /M
$3.30
$6.00
Cache read /M
$1.10
$0.50
Context length
0
500,000
Max output
0
500,000
Time to First Token
-
1.6 s
Throughput
-
25.2 tok/s
Modalities
text
textimage
Supported Parameters
toolsfunction callingstructured outputs
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-instructgrok-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-instructgrok-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-instructgrok-4.5
1360142014801540
Overall
14181470
Coding
14671523
Math
14161478
Hard prompts
14371495
Instruction following
13901466
Multi-turn
14041477
Creative writing
13821449
Longer query
14031485
Chinese
14541511
English
14231475
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 Instruct
$116 /mo
Grok 4.5
$210 /mo
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: CC Kimi K2 Instruct, Grok 4.5?
CC Kimi K2 Instruct: $3.30/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.
How do their coding arena scores compare?
Grok 4.5: 1523; CC Kimi K2 Instruct: 1467 (LMArena coding leaderboard).
What inputs and capabilities does each model support?
CC Kimi K2 Instruct accepts text input and supports tool calling, function calling and structured outputs; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.
Can I call CC Kimi K2 Instruct 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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