Models

GLM 5.2 vs Kimi K2 Thinking

Output tokens cost $3.94 per million on GLM 5.2 and $2.19 per million on Kimi K2 Thinking. Input tokens cost $1.13 per million on GLM 5.2 and $0.55 per million on Kimi K2 Thinking. Cached input tokens are billed at $0.28 per million on GLM 5.2 and $0.14 per million on Kimi K2 Thinking. Context lengths are 1,000,000 tokens on GLM 5.2 and 262,144 tokens on Kimi K2 Thinking. Time to first token (TTFT) measured on AIHubMix is 0.6s on GLM 5.2 and 0.4s on Kimi K2 Thinking. Measured output throughput is 42.2 tok/s on GLM 5.2 and 208.3 tok/s on Kimi K2 Thinking. On the LMArena coding leaderboard GLM 5.2 scores 1505 and Kimi K2 Thinking scores 1467.

Z.AIGLM 5.2Moonshot AIKimi K2 Thinking
Z.AI logo
GLM 5.2
Z.AI · text → text

GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.

Input$1.13 /M
Output$3.94 /M
Moonshot AI logo
Kimi K2 Thinking
Moonshot AI · text → text

Kimi K2 Thinking is Moonshot AI's most advanced open-source inference model to date, extending the K2 series into intelligent agent and long-context inference domains. The model is built on the trillion-parameter mixture of experts (MoE) architecture introduced by Kimi K2, activating 32 billion parameters per forward pass and supporting a context window of 256,000 tokens.

Input$0.55 /M
Output$2.19 /M

Pricing & Specifications

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

GLM 5.2
Kimi K2 Thinking
Input /M
$1.13
$0.55
Output /M
$3.94
$2.19
Cache read /M
$0.28
$0.14
Context length
1,000,000
262,144
Max output
128,000
262,144
Time to First Token
0.6 s
0.4 s
Throughput
42.2 tok/s
208.3 tok/s
Modalities
text
text
Supported Parameters
thinkingtoolsfunction callingstructured outputs
thinkingtoolsfunction callingstructured outputs
API Formats
chat_completions · claude_api
Released
June 16, 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.

glm-5.2kimi-k2-thinking

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.

glm-5.2kimi-k2-thinking

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.

Text
glm-5.2kimi-k2-thinking
1360142014801540
Overall
14181470
Coding
14671505
Math
14161475
Hard prompts
14371488
Instruction following
13901462
Multi-turn
14041470
Creative writing
13821450
Longer query
14031479
Chinese
14541516
English
14231477

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 Thinking
$65.76 /mo
GLM 5.2
$127 /mo

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

FAQ

Which is cheaper: GLM 5.2, Kimi K2 Thinking?

Kimi K2 Thinking: $2.19/M output tokens; GLM 5.2: $3.94/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

GLM 5.2: 1505; Kimi K2 Thinking: 1467 (LMArena coding leaderboard).

Which responds faster?

Kimi K2 Thinking: 0.4s 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?

GLM 5.2 accepts 1,000,000 and Kimi K2 Thinking accepts 262,144 input tokens. Maximum output per request is 128,000 tokens on GLM 5.2 and 262,144 tokens on Kimi K2 Thinking.

Which one generates tokens faster?

Kimi K2 Thinking at 208.3 tok/s and GLM 5.2 at 42.2 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

GLM 5.2 accepts text input and supports thinking, tool calling, function calling and structured outputs; Kimi K2 Thinking accepts text input and supports thinking, tool calling, function calling and structured outputs.

Can I call GLM 5.2 and Kimi K2 Thinking 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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